<s>
Halo	B-Application
4	I-Application
is	O
a	O
2012	O
first-person	O
shooter	O
video	O
game	O
developed	O
by	O
343	O
Industries	O
and	O
published	O
by	O
Microsoft	O
Studios	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
video	B-Device
game	I-Device
console	I-Device
.	O
</s>
<s>
Halo	B-Application
4s	I-Application
story	O
follows	O
a	O
cybernetically	O
enhanced	O
human	O
supersoldier	O
,	O
Master	O
Chief	O
,	O
and	O
his	O
artificial	B-Application
intelligence	I-Application
construct	O
Cortana	O
,	O
as	O
they	O
encounter	O
unknown	O
threats	O
while	O
exploring	O
an	O
ancient	O
civilization	O
's	O
planet	O
.	O
</s>
<s>
Development	O
of	O
Halo	B-Application
4	I-Application
began	O
in	O
2009	O
and	O
continued	O
until	O
September	O
2012	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
is	O
343	O
Industries	O
 '	O
first	O
original	O
title	O
within	O
the	O
Halo	B-Application
series	O
—	O
previously	O
,	O
development	O
of	O
the	O
main	O
series	O
was	O
undertaken	O
by	O
Bungie	O
,	O
the	O
creator	O
of	O
the	O
franchise	O
.	O
</s>
<s>
In	O
the	O
developmental	O
process	O
,	O
343	O
Industries	O
decided	O
to	O
explore	O
the	O
Forerunner	O
fiction	O
within	O
the	O
Halo	B-Application
universe	O
,	O
leading	O
the	O
team	O
to	O
design	O
a	O
new	O
setting	O
,	O
enemies	O
,	O
and	O
main	O
antagonist	O
.	O
</s>
<s>
Existing	O
characters	O
and	O
assets	O
received	O
visual	O
overhauls	O
,	O
recreated	O
from	O
the	O
ground	O
up	O
,	O
and	O
motion	B-Application
capture	I-Application
was	O
used	O
for	O
animation	O
within	O
cutscenes	O
.	O
</s>
<s>
A	O
goal	O
for	O
Halo	B-Application
4s	I-Application
story	O
was	O
to	O
incorporate	O
more	O
human	O
elements	O
;	O
to	O
achieve	O
this	O
,	O
the	O
developers	O
chose	O
to	O
delve	O
more	O
deeply	O
into	O
the	O
relationship	O
between	O
the	O
two	O
protagonists	O
,	O
Master	O
Chief	O
and	O
Cortana	O
.	O
</s>
<s>
Several	O
external	O
studios	O
assisted	O
343	O
Industries	O
with	O
developing	O
Halo	B-Application
4	I-Application
,	O
and	O
over	O
350	O
people	O
worked	O
on	O
the	O
game	O
in	O
total	O
.	O
</s>
<s>
Prior	O
to	O
launch	O
,	O
Microsoft	O
stated	O
that	O
Halo	B-Application
4	I-Application
was	O
the	O
most	O
expensive	O
video	O
game	O
title	O
the	O
company	O
had	O
created	O
so	O
far	O
.	O
</s>
<s>
The	O
game	O
was	O
marketed	O
with	O
promotional	O
events	O
and	O
videos	O
,	O
including	O
the	O
creation	O
of	O
a	O
live-action	O
film	O
,	O
Halo	B-Application
4	I-Application
:	O
Forward	O
Unto	O
Dawn	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
grossed	O
million	O
on	O
its	O
launch	O
day	O
and	O
$300million	O
in	O
its	O
opening	O
week	O
—	O
a	O
record	O
for	O
the	O
franchise	O
.	O
</s>
<s>
More	O
than	O
one	O
million	O
people	O
played	O
Halo	B-Application
4	I-Application
on	O
Xbox	B-Application
Live	I-Application
within	O
the	O
first	O
24	O
hours	O
of	O
its	O
release	O
.	O
</s>
<s>
It	O
was	O
re-released	O
as	O
part	O
of	O
Halo	B-Application
:	I-Application
The	I-Application
Master	I-Application
Chief	I-Application
Collection	I-Application
for	O
the	B-Device
Xbox	I-Device
One	I-Device
in	O
2014	O
,	O
and	O
was	O
followed	O
by	O
a	O
sequel	O
,	O
Halo	B-Application
5	I-Application
:	I-Application
Guardians	I-Application
,	O
in	O
2015	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
is	O
a	O
shooter	O
game	O
in	O
which	O
players	O
predominantly	O
experience	O
gameplay	O
from	O
a	O
first-person	O
perspective	O
;	O
the	O
game	O
perspective	O
switches	O
to	O
third-person	O
when	O
using	O
certain	O
weapons	O
,	O
abilities	O
and	O
vehicles	O
.	O
</s>
<s>
The	O
player	O
's	O
head-up	B-Application
display	I-Application
(	O
HUD	B-Application
)	O
shows	O
real-time	O
information	O
on	O
the	O
player	O
character	O
's	O
armor	O
system	O
,	O
such	O
as	O
shield	O
status	O
,	O
information	O
on	O
current	O
weapons	O
and	O
abilities	O
,	O
and	O
waypoints	O
for	O
goals	O
and	O
objectives	O
.	O
</s>
<s>
The	O
HUD	B-Application
also	O
has	O
a	O
motion	O
tracker	O
that	O
detects	O
allies	O
,	O
enemies	O
,	O
and	O
vehicles	O
within	O
a	O
certain	O
radius	O
of	O
the	O
player	O
.	O
</s>
<s>
The	O
game	O
sees	O
the	O
return	O
of	O
the	O
alien	O
species	O
who	O
were	O
formerly	O
members	O
of	O
the	O
Covenant	O
as	O
foes	O
,	O
and	O
introduces	O
a	O
new	O
type	O
of	O
enemy	O
called	O
the	O
Prometheans	O
,	O
which	O
are	O
Forerunner	O
artificial	B-Application
intelligence	I-Application
(	O
AI	B-Application
)	O
constructs	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
features	O
updated	O
versions	O
of	O
many	O
human	O
and	O
Covenant	O
weaponry	O
from	O
previous	O
Halo	B-Application
games	O
,	O
as	O
well	O
as	O
introducing	O
new	O
weapons	O
for	O
the	O
humans	O
,	O
Covenant	O
and	O
Prometheans	O
.	O
</s>
<s>
The	O
game	O
also	O
features	O
reusable	O
equipment	O
,	O
called	O
armor	O
abilities	O
,	O
introduced	O
in	O
Halo	B-Application
:	I-Application
Reach	I-Application
.	O
</s>
<s>
Sprinting	O
returns	O
in	O
Halo	B-Application
4	I-Application
;	O
however	O
,	O
players	O
can	O
now	O
use	O
it	O
independently	O
of	O
their	O
armor	O
ability	O
.	O
</s>
<s>
Halo	B-Application
4s	I-Application
story	O
or	O
campaign	O
mode	O
can	O
be	O
played	O
alone	O
or	O
cooperatively	O
with	O
one	O
other	O
player	O
on	O
the	O
same	O
console	O
via	O
split	O
screen	O
,	O
and	O
up	O
to	O
three	O
other	O
players	O
through	O
Xbox	B-Application
Live	I-Application
.	O
</s>
<s>
Unlike	O
in	O
Halo	B-Application
3	I-Application
cooperative	O
campaign	O
where	O
each	O
player	O
takes	O
the	O
role	O
of	O
a	O
different	O
character	O
,	O
in	O
Halo	B-Application
4	I-Application
all	O
players	O
assume	O
the	O
role	O
of	O
Master	O
Chief	O
.	O
</s>
<s>
Players	O
can	O
enable	O
"	O
skulls	O
"	O
in	O
the	O
campaign	O
menu	O
which	O
act	O
as	O
gameplay	O
modifiers	O
such	O
as	O
increasing	O
enemy	O
health	O
,	O
changing	O
NPC	O
behavior	O
or	O
removing	O
elements	O
of	O
the	O
player	O
's	O
HUD	B-Application
.	O
</s>
<s>
The	O
campaign	O
also	O
features	O
terminals	O
which	O
provide	O
the	O
player	O
with	O
additional	O
backstory	O
via	O
videos	O
viewed	O
in	O
the	O
Halo	B-Application
Waypoint	O
application	O
on	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
.	O
</s>
<s>
In	O
Halo	B-Application
4s	I-Application
multiplayer	O
component	O
,	O
titled	O
"	O
Infinity	O
"	O
,	O
players	O
assume	O
the	O
role	O
of	O
a	O
customizable	O
Spartan-IV	O
super-soldier	O
.	O
</s>
<s>
War	O
Games	O
can	O
be	O
played	O
with	O
up	O
to	O
sixteen	O
players	O
on	O
Xbox	B-Application
Live	I-Application
and	O
has	O
up	O
to	O
four-player	O
split	O
screen	O
support	O
.	O
</s>
<s>
In	O
Halo	B-Application
4	I-Application
,	O
players	O
are	O
able	O
to	O
join	O
certain	O
multiplayer	O
matchmaking	O
sessions	O
while	O
they	O
are	O
in	O
progress	O
.	O
</s>
<s>
It	O
serves	O
as	O
a	O
replacement	O
for	O
the	O
Firefight	O
game	O
mode	O
that	O
featured	O
in	O
Halo	B-Application
:	I-Application
Reach	I-Application
and	O
Halo	B-Application
3	I-Application
:	I-Application
ODST	I-Application
.	O
</s>
<s>
The	O
first	O
five	O
episodes	O
were	O
delivered	O
on	O
a	O
weekly	O
basis	O
following	O
Halo	B-Application
4s	I-Application
launch	O
,	O
the	O
final	O
five	O
episodes	O
were	O
released	O
in	O
early	O
2013	O
.	O
</s>
<s>
Other	O
game	O
features	O
include	O
Forge	B-Application
,	O
a	O
map-editing	O
tool	O
first	O
introduced	O
in	O
Halo	B-Application
3	I-Application
.	O
</s>
<s>
Like	O
War	O
Games	O
it	O
has	O
both	O
split	O
screen	O
and	O
Xbox	B-Application
Live	I-Application
support	O
.	O
</s>
<s>
Forge	B-Application
in	O
Halo	B-Application
4	I-Application
contains	O
a	O
new	O
"	O
magnet	O
"	O
feature	O
for	O
connecting	O
forge	B-Application
pieces	O
together	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
also	O
offers	O
a	O
file	O
sharing	O
system	O
that	O
allows	O
players	O
to	O
upload	O
and	O
share	O
video	O
clips	O
,	O
screenshots	O
,	O
custom	O
maps	O
and	O
game	O
variants	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
takes	O
place	O
in	O
a	O
futuristic	O
science	O
fiction	O
setting	O
in	O
the	O
year	O
2557	O
,	O
four	O
years	O
after	O
the	O
events	O
of	O
Halo	B-Application
3	I-Application
.	O
</s>
<s>
The	O
Forerunners	O
soon	O
fought	O
the	O
Flood	O
themselves	O
;	O
after	O
exhausting	O
every	O
other	O
strategic	O
option	O
available	O
to	O
them	O
,	O
the	O
Forerunners	O
activated	O
weapons	O
of	O
mass	O
destruction	O
known	O
as	O
the	O
Halo	B-Application
Array	O
.	O
</s>
<s>
The	O
human	O
supersoldier	O
Master	O
Chief	O
Petty	O
Officer	O
John-117	O
and	O
his	O
artificial	B-Application
intelligence	I-Application
companion	O
Cortana	O
,	O
were	O
instrumental	O
in	O
stopping	O
the	O
Halos	O
from	O
being	O
activated	O
,	O
sterilizing	O
the	O
Flood	O
outbreak	O
before	O
they	O
could	O
menace	O
the	O
galaxy	O
once	O
again	O
,	O
and	O
defeating	O
the	O
Covenant	O
resulting	O
in	O
the	O
end	O
of	O
the	O
war	O
.	O
</s>
<s>
At	O
the	O
end	O
of	O
Halo	B-Application
3	I-Application
,	O
Chief	O
and	O
Cortana	O
were	O
left	O
stranded	O
in	O
unknown	O
space	O
aboard	O
the	O
remains	O
of	O
the	O
vessel	O
Forward	O
Unto	O
Dawn	O
.	O
</s>
<s>
She	O
reveals	O
that	O
she	O
is	O
experiencing	O
"	O
rampancy	O
"	O
,	O
a	O
declining	O
mental	O
state	O
faced	O
by	O
smart	O
AIs	B-Application
past	O
their	O
usual	O
seven-year	O
life	O
span	O
.	O
</s>
<s>
Chief	O
and	O
Cortana	O
pick	O
up	O
garbled	O
transmissions	O
from	O
a	O
human	O
ship	O
,	O
UNSC	B-Application
Infinity	I-Application
,	O
who	O
have	O
picked	O
up	O
the	O
Dawns	O
distress	O
call	O
.	O
</s>
<s>
They	O
follow	O
the	O
Didact	O
to	O
a	O
Halo	B-Application
ring	O
,	O
Installation	O
03	O
.	O
</s>
<s>
Six	O
months	O
after	O
the	O
New	O
Phoenix	O
incident	O
,	O
the	O
UNSC	B-Application
Infinity	I-Application
returns	O
to	O
Requiem	O
,	O
where	O
the	O
Prometheans	O
and	O
the	O
Covenant	O
splinter	O
faction	O
—	O
led	O
by	O
Jul	O
'	O
Mdama	O
,	O
who	O
styles	O
himself	O
as	O
"	O
the	O
Didact	O
's	O
Hand	O
"	O
—	O
are	O
still	O
active	O
.	O
</s>
<s>
Palmer	O
arrests	O
Halsey	O
for	O
communicating	O
with	O
'	O
Mdama	O
,	O
but	O
Halsey	O
uses	O
an	O
override	O
code	O
to	O
force	O
Infinitys	O
AI	B-Application
,	O
Roland	O
,	O
to	O
assist	O
her	O
.	O
</s>
<s>
In	O
October	O
2007	O
,	O
shortly	O
after	O
the	O
release	O
of	O
Halo	B-Application
3	I-Application
,	O
Halo	B-Application
developer	O
Bungie	O
split	O
off	O
from	O
parent	O
company	O
Microsoft	O
.	O
</s>
<s>
Microsoft	O
retained	O
the	O
intellectual	O
property	O
and	O
rights	O
to	O
Halo	B-Application
,	O
and	O
Bungie	O
continued	O
developing	O
Halo	B-Application
games	O
until	O
2010	O
.	O
</s>
<s>
In	O
2008	O
,	O
while	O
343	O
Industries	O
was	O
still	O
in	O
formation	O
,	O
Microsoft	O
approached	O
Starlight	O
Runner	O
Entertainment	O
to	O
help	O
assemble	O
the	O
"	O
Halo	B-Application
bible	O
"	O
.	O
</s>
<s>
Their	O
job	O
was	O
to	O
examine	O
all	O
content	O
of	O
the	O
Halo	B-Application
universe	O
,	O
clean	O
it	O
up	O
,	O
and	O
make	O
it	O
coherent	O
and	O
understandable	O
for	O
the	O
people	O
involved	O
with	O
the	O
creation	O
of	O
Halo	B-Application
games	O
and	O
media	O
.	O
</s>
<s>
Frank	O
O'Connor	O
,	O
a	O
content	O
manager	O
at	O
Bungie	O
,	O
assisted	O
the	O
team	O
with	O
the	O
creation	O
of	O
the	O
"	O
Halo	B-Application
bible	O
"	O
before	O
moving	O
to	O
343	O
Industries	O
to	O
become	O
Halo	B-Application
franchise	O
development	O
director	O
.	O
</s>
<s>
Unlike	O
the	O
original	O
trilogy	O
,	O
the	O
story	O
for	O
Halo	B-Application
4	I-Application
was	O
designed	O
to	O
be	O
part	O
of	O
a	O
multi-game	O
arc	O
from	O
the	O
beginning	O
.	O
</s>
<s>
In	O
addition	O
,	O
343	O
Industries	O
aimed	O
for	O
"	O
a	O
more	O
complete	O
connectivity	O
between	O
all	O
of	O
their	O
future	O
media	O
than	O
before	O
"	O
;	O
relating	O
Halo	B-Application
4s	I-Application
story	O
to	O
the	O
Forerunner	O
Saga	O
and	O
Kilo-Five	O
Trilogy	O
novels	O
as	O
well	O
as	O
using	O
terminals	O
in	O
Halo	B-Application
:	O
Combat	O
Evolved	O
Anniversary	O
to	O
introduce	O
background	O
knowledge	O
on	O
the	O
Forerunners	O
.	O
</s>
<s>
Halo	B-Application
4s	I-Application
development	O
team	O
included	O
former	O
employees	O
of	O
more	O
than	O
25	O
triple-A	O
studios	O
.	O
</s>
<s>
Prospective	O
employees	O
could	O
not	O
be	O
told	O
they	O
were	O
going	O
to	O
be	O
working	O
on	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
"	O
We	O
had	O
people	O
who	O
we	O
hired	O
who	O
hated	O
Halo	B-Application
because	O
of	O
'	O
X	O
,	O
'	O
 "	O
said	O
Frank	O
O'Connor	O
,	O
343	O
Industries	O
 '	O
franchise	O
development	O
director	O
.	O
</s>
<s>
This	O
rapid	O
hiring	O
and	O
growth	O
occurred	O
during	O
development	O
of	O
the	O
game	O
,	O
creating	O
issues	O
;	O
because	O
the	O
team	O
was	O
committed	O
to	O
a	O
delivery	O
date	O
,	O
Halo	B-Application
4	I-Application
executive	O
producer	O
Kiki	O
Wolfkill	O
said	O
that	O
the	O
team	O
was	O
forced	O
to	O
make	O
"	O
necessary	O
mistakes	O
"	O
,	O
with	O
production	O
difficulties	O
and	O
a	O
team	O
inexperienced	O
with	O
working	O
together	O
contributing	O
to	O
development	O
difficulties	O
.	O
</s>
<s>
Creative	O
director	O
Josh	O
Holmes	O
recalled	O
that	O
an	O
"	O
epiphany	O
moment	O
"	O
that	O
proved	O
the	O
team	O
was	O
headed	O
in	O
the	O
right	O
direction	O
was	O
early	O
in	O
development	O
,	O
when	O
the	O
team	O
completed	O
a	O
section	O
of	O
the	O
game	O
that	O
was	O
"	O
very	O
traditional	O
 [ Halo ] 	O
 "	O
.	O
</s>
<s>
343	O
Industries	O
contracted	O
Certain	O
Affinity	O
,	O
an	O
independent	O
video	O
game	O
development	O
studio	O
,	O
to	O
help	O
with	O
the	O
development	O
of	O
Halo	B-Application
4	I-Application
;	O
they	O
started	O
work	O
on	O
the	O
game	O
in	O
early	O
2011	O
.	O
</s>
<s>
Certain	O
Affinity	O
has	O
worked	O
alongside	O
Bungie	O
and	O
343	O
Industries	O
on	O
producing	O
multiplayer	O
content	O
for	O
previous	O
Halo	B-Application
titles	O
.	O
</s>
<s>
The	O
studio	O
developed	O
the	O
Forge	B-Application
mode	O
,	O
co-developed	O
War	O
Games	O
and	O
created	O
a	O
number	O
of	O
maps	O
and	O
multiplayer	O
modes	O
for	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
Halo	B-Application
4	I-Application
and	O
Halo	B-Application
:	O
Combat	O
Evolved	O
Anniversary	O
were	O
both	O
officially	O
announced	O
on	O
June	O
6	O
,	O
2011	O
,	O
at	O
the	O
E3	O
2011	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
is	O
the	O
first	O
installment	O
in	O
the	O
Reclaimer	O
Saga	O
of	O
Halo	B-Application
games	O
.	O
</s>
<s>
Prior	O
to	O
the	O
release	O
of	O
the	O
game	O
,	O
Microsoft	O
Studios	O
Vice	O
President	O
Phil	O
Spencer	O
stated	O
that	O
the	O
Halo	B-Application
franchise	O
is	O
the	O
"	O
most	O
important	O
entertainment	O
product	O
in	O
the	O
company	O
"	O
and	O
that	O
Halo	B-Application
4	I-Application
was	O
the	O
most	O
expensive	O
game	O
that	O
Microsoft	O
had	O
made	O
.	O
</s>
<s>
On	O
July	O
7	O
,	O
2012	O
,	O
a	O
pre-release	O
build	O
of	O
Halo	B-Application
4s	I-Application
Forge	B-Application
mode	O
was	O
showcased	O
by	O
343	O
Industries	O
and	O
Certain	O
Affinity	O
at	O
RTX	O
which	O
took	O
place	O
at	O
the	O
Austin	O
Convention	O
Center	O
.	O
</s>
<s>
Following	O
Halo	B-Application
4s	I-Application
announcement	O
,	O
O'Connor	O
reported	O
that	O
both	O
Master	O
Chief	O
and	O
Cortana	O
would	O
undergo	O
"	O
radical	O
"	O
changes	O
in	O
appearance	O
for	O
the	O
game	O
,	O
some	O
of	O
them	O
attributed	O
to	O
better	O
graphics	O
and	O
others	O
to	O
story	O
elements	O
.	O
</s>
<s>
They	O
studied	O
the	O
armor	O
changes	O
that	O
were	O
made	O
for	O
the	O
Spartans	O
in	O
Halo	B-Application
:	I-Application
Reach	I-Application
,	O
which	O
were	O
much	O
bulkier	O
than	O
renditions	O
in	O
previous	O
Halo	B-Application
games	O
.	O
</s>
<s>
During	O
the	O
concepting	O
process	O
of	O
Halo	B-Application
4	I-Application
,	O
O'Connor	O
decided	O
it	O
would	O
be	O
best	O
for	O
the	O
franchise	O
to	O
explore	O
the	O
Forerunner	O
fiction	O
of	O
the	O
Halo	B-Application
universe	O
,	O
which	O
had	O
remained	O
largely	O
a	O
mystery	O
before	O
343	O
Industries	O
 '	O
involvement	O
in	O
the	O
franchise	O
.	O
</s>
<s>
Given	O
that	O
the	O
Forerunners	O
themselves	O
had	O
never	O
been	O
featured	O
in	O
previous	O
Halo	B-Application
games	O
,	O
the	O
design	O
process	O
for	O
the	O
appearance	O
of	O
the	O
Prometheans	O
was	O
long	O
and	O
tedious	O
.	O
</s>
<s>
The	O
main	O
goal	O
when	O
designing	O
their	O
appearance	O
was	O
to	O
make	O
them	O
resonate	O
with	O
the	O
player	O
,	O
and	O
evoke	O
the	O
image	O
of	O
the	O
Forerunner	O
architecture	O
and	O
language	O
that	O
had	O
been	O
portrayed	O
in	O
previous	O
Halo	B-Application
media	O
.	O
</s>
<s>
Holmes	O
explained	O
that	O
one	O
of	O
the	O
goals	O
for	O
Halo	B-Application
4s	I-Application
campaign	O
was	O
to	O
incorporate	O
more	O
human	O
elements	O
into	O
the	O
story	O
.	O
</s>
<s>
To	O
accomplish	O
this	O
the	O
team	O
wrote	O
a	O
B	O
story	O
that	O
explored	O
Master	O
Chief	O
's	O
relationship	O
with	O
his	O
AI	B-Application
partner	O
,	O
Cortana	O
,	O
who	O
would	O
break	O
down	O
into	O
a	O
dementia-like	O
state	O
.	O
</s>
<s>
The	O
development	O
team	O
realized	O
that	O
Halo	B-Application
4s	I-Application
narrative	O
could	O
be	O
dense	O
and	O
hard	O
to	O
approach	O
,	O
making	O
it	O
inaccessible	O
for	O
new	O
players	O
.	O
</s>
<s>
The	O
senior	O
art	O
director	O
for	O
Halo	B-Application
4	I-Application
is	O
Kenneth	O
Scott	O
;	O
he	O
described	O
the	O
visual	O
style	O
of	O
Halo	B-Application
4	I-Application
as	O
being	O
more	O
ingrained	O
in	O
the	O
expanded	O
universe	O
fiction	O
,	O
and	O
more	O
"	O
mature	O
"	O
than	O
before	O
.	O
</s>
<s>
The	O
majority	O
of	O
the	O
game	O
is	O
lit	O
statically	O
using	O
lightmaps	B-Data_Structure
;	O
this	O
allowed	O
the	O
art	O
team	O
to	O
achieve	O
realistic	O
lighting	O
effects	O
with	O
full	O
global	B-Algorithm
illumination	I-Algorithm
and	O
ambient	O
occlusion	O
.	O
</s>
<s>
Image-based	B-Algorithm
lighting	I-Algorithm
is	O
also	O
used	O
to	O
ground	O
scenes	O
and	O
make	O
everything	O
fit	O
together	O
better	O
.	O
</s>
<s>
The	O
cooperative	O
Spartan	O
Ops	O
mode	O
originally	O
began	O
as	O
a	O
Firefight-type	O
mode	O
,	O
similar	O
to	O
that	O
featured	O
in	O
Halo	B-Application
:	I-Application
Reach	I-Application
,	O
but	O
was	O
composed	O
of	O
different	O
objective-oriented	O
mission	O
types	O
.	O
</s>
<s>
Over	O
the	O
course	O
of	O
development	O
,	O
changes	O
were	O
made	O
to	O
Spartan	O
Ops	O
to	O
include	O
a	O
narrative	O
that	O
would	O
tie	O
Halo	B-Application
4s	I-Application
multiplayer	O
together	O
.	O
</s>
<s>
Axis	O
have	O
produced	O
animations	O
for	O
numerous	O
video	O
games	O
,	O
including	O
the	O
award-winning	O
announcement	O
trailer	O
for	O
Dead	B-Application
Island	I-Application
.	O
</s>
<s>
To	O
make	O
each	O
Spartan	O
Ops	O
episode	O
as	O
engaging	O
as	O
possible	O
the	O
team	O
at	O
Axis	O
shot	O
and	O
edited	O
episodes	O
in	O
live	O
action	O
using	O
performance	B-Application
capture	I-Application
.	O
</s>
<s>
The	O
shading	O
team	O
at	O
Axis	O
made	O
use	O
of	O
the	O
3D	O
animation	O
package	O
,	O
Houdini	B-Application
,	O
to	O
procedurally	O
generate	O
the	O
environment	O
in	O
the	O
cinematics	O
.	O
</s>
<s>
Facial	B-Operating_System
motion	I-Operating_System
capture	I-Operating_System
was	O
also	O
utilized	O
to	O
take	O
the	O
movements	O
and	O
facial	O
expressions	O
from	O
actors	O
and	O
apply	O
them	O
to	O
the	O
in-game	O
cinematics	O
for	O
both	O
Spartan	O
Ops	O
and	O
campaign	O
.	O
</s>
<s>
Performance	B-Application
capture	I-Application
for	O
both	O
campaign	O
and	O
Spartan	O
Ops	O
cutscenes	O
was	O
directed	O
and	O
recorded	O
at	O
Giant	O
Studios	O
.	O
</s>
<s>
Axis	O
worked	O
in	O
conjunction	O
with	O
Giant	O
Studios	O
and	O
Cubic	O
Motion	O
to	O
develop	O
a	O
special	O
facial	B-Operating_System
motion	I-Operating_System
capture	I-Operating_System
solution	O
that	O
would	O
retain	O
facial	O
expressions	O
from	O
the	O
actors	O
when	O
creating	O
the	O
animation	O
.	O
</s>
<s>
Visual	O
effects	O
house	O
The	O
Sequence	O
Group	O
,	O
who	O
had	O
previously	O
developed	O
animation	O
for	O
Halo	B-Application
:	O
Combat	O
Evolved	O
Anniversarys	O
terminals	O
,	O
returned	O
to	O
create	O
additional	O
animation	O
for	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
In	O
addition	O
to	O
creating	O
the	O
visuals	O
for	O
the	O
Halo	B-Application
4	I-Application
terminals	O
,	O
their	O
work	O
appeared	O
in	O
one	O
of	O
the	O
game	O
's	O
main	O
cinematics	O
.	O
</s>
<s>
To	O
save	O
time	O
and	O
expense	O
using	O
traditional	O
motion	B-Application
capture	I-Application
methods	O
to	O
animate	O
the	O
3D	O
characters	O
,	O
The	O
Sequence	O
Group	O
used	O
twin	O
Microsoft	B-Algorithm
Kinect	I-Algorithm
infrared	O
sensors	O
to	O
create	O
a	O
home-made	O
solution	O
.	O
</s>
<s>
The	O
game	O
utilizes	O
much	O
of	O
the	O
"	O
sandbox	O
"	O
that	O
has	O
been	O
featured	O
across	O
all	O
six	O
prior	O
Halo	B-Application
games	O
and	O
other	O
media	O
,	O
in	O
addition	O
to	O
introducing	O
new	O
characters	O
,	O
weapons	O
,	O
vehicles	O
,	O
and	O
other	O
elements	O
.	O
</s>
<s>
Unlike	O
previous	O
games	O
in	O
the	O
Halo	B-Application
series	O
,	O
Halo	B-Application
4	I-Application
runs	O
natively	O
in	O
720p	O
resolution	B-General_Concept
.	O
</s>
<s>
The	O
game	O
itself	O
comes	O
on	O
two	O
discs	O
and	O
requires	O
4GB	O
of	O
available	O
storage	O
space	O
either	O
on	O
an	O
8GB	O
USB	O
flash	O
drive	O
or	O
Xbox	B-Operating_System
360	I-Operating_System
hard	O
drive	O
to	O
play	O
the	O
multiplayer	O
component	O
.	O
</s>
<s>
Due	O
to	O
rendering	O
issues	O
and	O
significant	O
engine	O
changes	O
,	O
Theater	O
support	O
for	O
Halo	B-Application
4s	I-Application
campaign	O
and	O
Spartan	O
Ops	O
was	O
not	O
featured	O
in	O
the	O
game	O
on	O
launch	O
;	O
however	O
343	O
Industries	O
expressed	O
that	O
this	O
feature	O
may	O
be	O
implemented	O
in	O
the	O
future	O
.	O
</s>
<s>
As	O
with	O
previous	O
Halo	B-Application
titles	O
,	O
343	O
Industries	O
provides	O
a	O
statistic	O
tracking	O
service	O
for	O
players	O
of	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
Player	O
data	O
such	O
as	O
game	O
history	O
,	O
character	O
progression	O
,	O
and	O
various	O
statistics	O
can	O
be	O
accessed	O
in	O
game	O
or	O
via	O
the	O
Halo	B-Application
Waypoint	O
website	O
.	O
</s>
<s>
The	O
web	O
services	O
team	O
at	O
343	O
Industries	O
utilized	O
the	O
Windows	B-Application
Azure	I-Application
Service	I-Application
Bus	I-Application
messaging	O
infrastructure	O
to	O
relay	O
data	O
from	O
the	O
Xbox	B-Application
Live	I-Application
network	O
to	O
back-end	O
databases	O
,	O
where	O
player	O
data	O
and	O
information	O
is	O
stored	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
player	O
data	O
can	O
also	O
be	O
accessed	O
via	O
the	O
Xbox	B-Protocol
SmartGlass	I-Protocol
application	O
.	O
</s>
<s>
British	O
record	O
producer	O
and	O
composer	O
Neil	O
Davidge	O
wrote	O
the	O
music	O
for	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
Sotaro	O
Tojima	O
,	O
best	O
known	O
for	O
his	O
work	O
on	O
Konami	O
's	O
Castlevania	B-Application
:	I-Application
Circle	I-Application
of	I-Application
the	I-Application
Moon	I-Application
and	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
4	I-Application
:	I-Application
Guns	I-Application
of	I-Application
the	I-Application
Patriots	I-Application
,	O
served	O
as	O
Halo	B-Application
4s	I-Application
audio	O
director	O
.	O
</s>
<s>
Tojima	O
intended	O
for	O
the	O
game	O
's	O
audio	O
to	O
be	O
clearly	O
grounded	O
in	O
the	O
Halo	B-Application
universe	O
,	O
while	O
also	O
having	O
a	O
more	O
realistic	O
quality	O
than	O
in	O
past	O
titles	O
.	O
</s>
<s>
Music	O
composer	O
Kazuma	O
Jinnouchi	O
,	O
also	O
formerly	O
from	O
Konami	O
,	O
joined	O
343	O
Industries	O
during	O
the	O
production	O
of	O
Halo	B-Application
4	I-Application
in	O
2011	O
.	O
</s>
<s>
He	O
would	O
later	O
go	O
on	O
to	O
be	O
the	O
sole	O
composer	O
of	O
the	O
game	O
's	O
sequel	O
,	O
Halo	B-Application
5	I-Application
:	I-Application
Guardians	I-Application
,	O
in	O
2015	O
.	O
</s>
<s>
Voice	O
actors	O
returning	O
to	O
reprise	O
their	O
roles	O
in	O
Halo	B-Application
4	I-Application
include	O
Steve	O
Downes	O
as	O
Master	O
Chief	O
,	O
and	O
Jen	O
Taylor	O
as	O
both	O
Cortana	O
and	O
Halsey	O
.	O
</s>
<s>
Employees	O
of	O
Rooster	O
Teeth	O
Productions	O
 '	O
have	O
cameo	O
roles	O
in	O
Spartan	O
Ops	O
,	O
as	O
characters	O
from	O
the	O
Halo	B-Application
machinima	O
Red	O
vs.	O
Blue	O
.	O
</s>
<s>
Bruce	O
Thomas	O
was	O
the	O
performance	B-Application
capture	I-Application
actor	O
playing	O
the	O
role	O
of	O
Master	O
Chief	O
and	O
actress	O
Mackenzie	O
Mason	O
played	O
the	O
performance	O
role	O
of	O
Cortana	O
.	O
</s>
<s>
Taylor	O
served	O
as	O
the	O
motion	B-Application
capture	I-Application
source	O
for	O
Halsey	O
.	O
</s>
<s>
On	O
January	O
19	O
,	O
2012	O
,	O
McFarlane	O
Toys	O
announced	O
that	O
they	O
would	O
be	O
creating	O
action	O
figures	O
for	O
Halo	B-Application
4	I-Application
,	O
bringing	O
new	O
characters	O
,	O
weapons	O
and	O
vehicles	O
from	O
the	O
video	O
game	O
to	O
the	O
fans	O
.	O
</s>
<s>
McFarlane	O
also	O
stated	O
that	O
they	O
would	O
continue	O
and	O
expand	O
their	O
previous	O
figure	O
line	O
which	O
would	O
be	O
rebranded	O
as	O
Halo	B-Application
Universe	O
.	O
</s>
<s>
On	O
February	O
14	O
,	O
2012	O
,	O
toy	O
company	O
Mega	O
Brands	O
revealed	O
a	O
new	O
product	O
series	O
in	O
their	O
Mega	O
Bloks	O
Halo	B-Application
Universe	O
collector	O
's	O
line	O
.	O
</s>
<s>
Jada	O
Toys	O
launched	O
a	O
new	O
line	O
of	O
Halo	B-Application
4	I-Application
die-cast	O
toys	O
in	O
August	O
2012	O
;	O
Sideshow	O
Collectibles	O
also	O
revealed	O
a	O
Halo	B-Application
4	I-Application
Premium	O
Cortana	O
Figure	O
.	O
</s>
<s>
On	O
June	O
11	O
,	O
2012	O
,	O
video	B-Device
game	I-Device
console	I-Device
peripherals	O
manufacturer	O
,	O
Mad	O
Catz	O
Interactive	O
,	O
Inc	O
.	O
announced	O
that	O
they	O
had	O
signed	O
a	O
deal	O
with	O
Microsoft	O
Studios	O
to	O
create	O
a	O
Halo	O
4-branded	O
gaming	O
headset	O
;	O
the	O
product	O
shipped	O
on	O
October	O
30	O
,	O
2012	O
.	O
</s>
<s>
343	O
Industries	O
and	O
Microsoft	O
also	O
created	O
a	O
Halo	B-Application
4	I-Application
art	O
book	O
,	O
titled	O
Awakening	O
:	O
The	O
Art	O
of	O
Halo	B-Application
4	I-Application
;	O
it	O
was	O
published	O
by	O
Titan	O
Books	O
and	O
released	O
on	O
November	O
6	O
,	O
2012	O
.	O
</s>
<s>
Another	O
book	O
,	O
Halo	B-Application
4	I-Application
:	O
The	O
Essential	O
Visual	O
Guide	O
was	O
created	O
by	O
343	O
Industries	O
in	O
collaboration	O
with	O
DK	O
Publishing	O
and	O
was	O
released	O
September	O
24	O
,	O
2013	O
.	O
</s>
<s>
It	O
contains	O
annotated	O
artwork	O
and	O
profiles	O
on	O
characters	O
,	O
items	O
,	O
and	O
locations	O
within	O
the	O
Halo	B-Application
universe	O
.	O
</s>
<s>
Microsoft	O
once	O
again	O
partnered	O
up	O
with	O
PepsiCo	O
,	O
having	O
done	O
so	O
previously	O
while	O
promoting	O
Halo	B-Application
3	I-Application
.	O
</s>
<s>
In	O
the	O
United	O
States	O
players	O
were	O
able	O
to	O
earn	O
double	O
experience	O
in	O
Halo	B-Application
4	I-Application
by	O
purchasing	O
Mountain	O
Dew	O
and	O
Doritos	O
and	O
then	O
redeem	O
product	O
codes	O
found	O
on	O
the	O
packaging	O
using	O
an	O
iOS	B-Application
and	O
Android	B-Application
app	O
game	O
called	O
Halo	B-Application
4	I-Application
:	O
King	O
of	O
the	O
Hill	O
Fueled	O
by	O
Mountain	O
Dew	O
.	O
</s>
<s>
In	O
the	O
United	O
Kingdom	O
,	O
a	O
promotion	O
ran	O
from	O
September	O
24	O
,	O
2012	O
,	O
until	O
December	O
4	O
,	O
2012	O
,	O
where	O
purchasers	O
of	O
Mountain	O
Dew	O
were	O
able	O
to	O
redeem	O
codes	O
to	O
have	O
a	O
chance	O
of	O
winning	O
copies	O
of	O
Halo	B-Application
4	I-Application
,	O
Xbox	B-Device
360	I-Device
avatar	I-Device
items	O
and	O
a	O
trip	O
to	O
Seattle	O
to	O
attend	O
a	O
tour	O
around	O
the	O
studio	O
of	O
343	O
Industries	O
.	O
</s>
<s>
The	O
contest	O
was	O
open	O
from	O
October	O
22	O
,	O
2012	O
,	O
until	O
December	O
30	O
,	O
2012	O
;	O
entering	O
participants	O
also	O
received	O
a	O
free	O
code	O
for	O
a	O
Halo	B-Application
4	I-Application
Xbox	B-Device
360	I-Device
avatar	I-Device
outfit	O
.	O
</s>
<s>
Card	O
holders	O
who	O
sync	O
their	O
American	O
Express	O
card	O
with	O
their	O
Xbox	B-Application
Live	I-Application
account	O
receive	O
coupons	O
and	O
credits	O
and	O
are	O
also	O
rewarded	O
with	O
additional	O
credits	O
and	O
coupons	O
for	O
obtaining	O
achievements	O
in	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
Microsoft	O
also	O
offered	O
Halo	B-Application
4	I-Application
armor	O
,	O
for	O
Xbox	B-Device
Live	I-Device
avatars	I-Device
,	O
to	O
people	O
who	O
watched	O
at	O
least	O
thirty	O
minutes	O
of	O
footage	O
from	O
the	O
2012	O
United	O
States	O
presidential	O
debates	O
on	O
their	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
The	O
Gutenberg	O
Castle	O
was	O
transformed	O
into	O
a	O
military	O
fortification	O
where	O
guests	O
tried	O
out	O
Halo	B-Application
4	I-Application
for	O
the	O
first	O
time	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
was	O
announced	O
with	O
a	O
trailer	O
at	O
E3	O
2011	O
,	O
titled	O
"	O
Awakening	O
"	O
.	O
</s>
<s>
Kosinski	O
and	O
Digital	O
Domain	O
had	O
collaborated	O
previously	O
on	O
the	O
Halo	B-Application
3	I-Application
"	O
Starry	O
Night	O
"	O
commercial	O
.	O
</s>
<s>
The	O
trailer	O
is	O
set	O
on	O
the	O
UNSC	O
frigate	O
Forward	O
Unto	O
Dawn	O
during	O
the	O
opening	O
events	O
of	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
On	O
April	O
30	O
,	O
2012	O
,	O
it	O
was	O
announced	O
that	O
a	O
web	O
series	O
,	O
titled	O
Halo	B-Application
4	I-Application
:	O
Forward	O
Unto	O
Dawn	O
,	O
would	O
play	O
on	O
Machinima	O
Prime	O
and	O
Halo	B-Application
Waypoint	O
during	O
the	O
weeks	O
leading	O
up	O
to	O
the	O
release	O
for	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
The	O
series	O
is	O
set	O
in	O
2526	O
,	O
31	O
years	O
before	O
the	O
events	O
of	O
Halo	B-Application
4	I-Application
at	O
the	O
beginning	O
of	O
the	O
Human-Covenant	O
War	O
.	O
</s>
<s>
The	O
series	O
also	O
ties	O
in	O
with	O
the	O
plot	O
of	O
the	O
Halo	B-Application
4	I-Application
campaign	O
and	O
Spartan	O
Ops	O
mode	O
.	O
</s>
<s>
At	O
E3	O
2012	O
,	O
the	O
presentation	O
of	O
Halo	B-Application
4	I-Application
was	O
preceded	O
with	O
a	O
live	O
action	O
segment	O
called	O
"	O
The	O
Commissioning	O
"	O
.	O
</s>
<s>
The	O
video	O
shows	O
the	O
UNSC	B-Application
Infinity	I-Application
vessel	O
being	O
pulled	O
within	O
the	O
confines	O
of	O
the	O
planet	O
Requiem	O
.	O
</s>
<s>
On	O
October	O
18	O
,	O
2012	O
,	O
the	O
Halo	B-Application
4	I-Application
launch	O
trailer	O
,	O
titled	O
"	O
Scanned	O
"	O
,	O
premiered	O
on	O
Late	O
Night	O
with	O
Jimmy	O
Fallon	O
.	O
</s>
<s>
On	O
October	O
23	O
,	O
2012	O
,	O
the	O
Halo	B-Application
4	I-Application
launch	O
gameplay	O
trailer	O
was	O
revealed	O
;	O
it	O
featured	O
segments	O
of	O
gameplay	O
footage	O
from	O
the	O
campaign	O
and	O
multiplayer	O
.	O
</s>
<s>
In	O
October	O
2012	O
,	O
visual	O
effects	O
company	O
Framestore	O
assisted	O
advertising	O
agency	O
McCann	O
London	O
in	O
producing	O
live	O
TV	O
adverts	O
for	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
The	O
adverts	O
aired	O
on	O
November	O
9	O
,	O
2012	O
;	O
they	O
featured	O
live	O
data	O
on	O
how	O
many	O
people	O
were	O
playing	O
Halo	B-Application
4	I-Application
online	O
,	O
correct	O
to	O
within	O
five	O
minutes	O
of	O
the	O
broadcast	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
was	O
released	O
in	O
all	O
territories	O
except	O
Japan	O
on	O
November	O
6	O
,	O
2012	O
;	O
the	O
Japanese	O
version	O
was	O
released	O
on	O
November	O
8	O
.	O
</s>
<s>
The	O
Limited	O
Edition	O
includes	O
digital	O
items	O
for	O
Xbox	B-Device
360	I-Device
avatars	I-Device
and	O
in-game	O
Spartan-IVs	O
,	O
as	O
well	O
as	O
access	O
to	O
future	O
downloadable	B-Protocol
content	I-Protocol
in	O
the	O
form	O
of	O
three	O
competitive	O
multiplayer	O
map	O
packs	O
,	O
containing	O
a	O
total	O
of	O
nine	O
maps	O
.	O
</s>
<s>
It	O
also	O
includes	O
a	O
90-minute	O
extended	O
version	O
of	O
the	O
live	O
action	O
digital	O
series	O
,	O
Halo	B-Application
4	I-Application
:	O
Forward	O
Unto	O
Dawn	O
and	O
a	O
UNSC	B-Application
Infinity	I-Application
Briefing	O
Packet	O
.	O
</s>
<s>
At	O
launch	O
,	O
two	O
Specializations	O
were	O
available	O
to	O
all	O
players	O
;	O
only	O
owners	O
of	O
the	O
Halo	B-Application
4	I-Application
Limited	I-Application
Edition	I-Application
had	O
access	O
to	O
all	O
eight	O
Specializations	O
.	O
</s>
<s>
Microsoft	O
produced	O
an	O
Xbox	B-Operating_System
360	I-Operating_System
Limited	O
Edition	O
Halo	B-Application
4	I-Application
console	O
bundle	O
that	O
launched	O
alongside	O
the	O
game	O
.	O
</s>
<s>
The	O
bundle	O
features	O
two	O
custom	O
designed	O
controllers	O
,	O
a	O
standard	O
edition	O
of	O
Halo	B-Application
4	I-Application
,	O
a	O
wired	O
headset	O
,	O
exclusive	O
downloadable	B-Protocol
content	I-Protocol
and	O
a	O
Halo	O
4-themed	O
Xbox	B-Operating_System
360	I-Operating_System
containing	O
a	O
320GB	O
hard	O
drive	O
.	O
</s>
<s>
It	O
was	O
also	O
announced	O
that	O
Microsoft	O
would	O
be	O
releasing	O
a	O
standalone	O
Xbox	B-Operating_System
360	I-Operating_System
Halo	B-Application
4	I-Application
Limited	I-Application
Edition	I-Application
wireless	O
controller	O
featuring	O
a	O
different	O
design	O
to	O
the	O
one	O
included	O
in	O
the	O
console	O
bundle	O
.	O
</s>
<s>
Microsoft	O
reported	O
that	O
their	O
security	O
teams	O
and	O
law	O
enforcement	O
were	O
investigating	O
the	O
possibility	O
of	O
Halo	B-Application
4	I-Application
content	O
being	O
leaked	O
on	O
the	O
internet	O
in	O
October	O
2012	O
.	O
</s>
<s>
Jessica	O
Shea	O
,	O
Community	O
Manager	O
at	O
343	O
Industries	O
,	O
warned	O
fans	O
to	O
be	O
wary	O
of	O
Halo	B-Application
4	I-Application
spoilers	O
that	O
were	O
posted	O
on	O
the	O
internet	O
.	O
</s>
<s>
Over	O
ten	O
thousand	O
stores	O
across	O
forty	O
countries	O
opened	O
for	O
the	O
midnight	O
launch	O
of	O
Halo	B-Application
4	I-Application
.	O
</s>
<s>
Following	O
the	O
release	O
of	O
the	O
game	O
,	O
New	O
Zealand	O
censors	O
declared	O
many	O
copies	O
of	O
Halo	B-Application
4	I-Application
illegal	O
,	O
after	O
deciding	O
to	O
label	O
it	O
with	O
an	O
R13	O
rating	O
,	O
restricting	O
it	O
to	O
buyers	O
aged	O
13	O
and	O
over	O
.	O
</s>
<s>
On	O
February	O
5	O
,	O
2013	O
,	O
a	O
digital	O
version	O
of	O
the	O
game	O
was	O
released	O
via	O
the	O
Xbox	B-Application
Live	I-Application
Games	O
on	O
Demand	O
service	O
.	O
</s>
<s>
A	O
game	O
of	O
the	O
year	O
edition	O
of	O
Halo	B-Application
4	I-Application
,	O
featuring	O
the	O
season	O
pass	O
and	O
Champion	O
's	O
Bundle	O
DLC	B-Protocol
,	O
pre-order	O
bonuses	O
,	O
special	O
avatar	B-Device
prop	O
and	O
the	O
entire	O
first	O
season	O
of	O
Spartan	O
Ops	O
,	O
was	O
released	O
on	O
October	O
8	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
grossed	O
US$220	O
million	O
on	O
its	O
launch	O
day	O
and	O
$300	O
million	O
in	O
its	O
opening	O
week	O
.	O
</s>
<s>
The	O
gross	O
was	O
a	O
new	O
record	O
for	O
the	O
franchise	O
,	O
surpassing	O
Halo	B-Application
:	O
Reachs	O
$200	O
million	O
first-day	O
gross	O
.	O
</s>
<s>
More	O
than	O
one	O
million	O
people	O
played	O
Halo	B-Application
4	I-Application
on	O
Xbox	B-Application
Live	I-Application
within	O
the	O
first	O
24	O
hours	O
of	O
release	O
.	O
</s>
<s>
While	O
Halo	B-Application
4	I-Application
debuted	O
at	O
the	O
top	O
of	O
the	O
UK	O
Video	O
Games	O
Chart	O
and	O
became	O
the	O
eighteenth	O
biggest	O
launch	O
ever	O
in	O
the	O
UK	O
,	O
it	O
failed	O
to	O
beat	O
the	O
week	O
one	O
sales	O
records	O
of	O
Halo	B-Application
3	I-Application
and	O
Halo	B-Application
:	I-Application
Reach	I-Application
.	O
</s>
<s>
U.S.	O
retail	O
tracking	O
firm	O
NPD	O
reported	O
that	O
Halo	B-Application
4	I-Application
was	O
the	O
second	O
most	O
sold	O
retail	O
video	O
game	O
of	O
November	O
2012	O
,	O
the	O
third	O
most	O
sold	O
retail	O
video	O
game	O
of	O
December	O
2012	O
,	O
and	O
the	O
third	O
most	O
sold	O
retail	O
video	O
game	O
of	O
the	O
year	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
Halo	B-Application
4	I-Application
became	O
the	O
best-selling	O
Microsoft	O
Studios	O
title	O
for	O
sales	O
counted	O
during	O
respective	O
launch	O
years	O
.	O
</s>
<s>
In	O
2012	O
,	O
Halo	B-Application
4	I-Application
was	O
the	O
third	O
most	O
played	O
game	O
on	O
Xbox	B-Application
Live	I-Application
based	O
on	O
average	O
unique	B-Protocol
users	I-Protocol
per	O
day	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
supports	O
downloadable	B-Protocol
content	I-Protocol
(	O
DLC	B-Protocol
)	O
,	O
which	O
is	O
available	O
to	O
download	O
via	O
the	O
Xbox	B-Application
Live	I-Application
Marketplace	O
.	O
</s>
<s>
Three	O
War	O
Games	O
map	O
packs	O
,	O
each	O
containing	O
three	O
maps	O
,	O
can	O
be	O
purchased	O
individually	O
,	O
or	O
bought	O
together	O
with	O
the	O
Halo	B-Application
4	I-Application
War	O
Games	O
Pass	O
.	O
</s>
<s>
The	O
pass	O
is	O
included	O
in	O
the	O
Limited	O
Edition	O
version	O
of	O
the	O
game	O
and	O
is	O
available	O
to	O
purchase	O
on	O
the	O
Xbox	B-Application
Live	I-Application
Marketplace	O
.	O
</s>
<s>
Forge	B-Application
Island	O
,	O
a	O
map	O
designed	O
for	O
Forge	B-Application
mode	O
creations	O
was	O
made	O
available	O
at	O
no	O
cost	O
to	O
Xbox	B-Application
Live	I-Application
users	O
on	O
March	O
29	O
.	O
</s>
<s>
Microsoft	O
released	O
additional	O
DLC	B-Protocol
on	O
August	O
20	O
that	O
could	O
be	O
purchased	O
together	O
as	O
the	O
Champions	O
Bundle	O
or	O
separately	O
.	O
</s>
<s>
The	O
three	O
DLC	B-Protocol
packs	O
include	O
:	O
the	O
"	O
Bullseye	O
Pack	O
"	O
containing	O
two	O
multiplayer	O
maps	O
and	O
early	O
access	O
to	O
the	O
Ricochet	O
gametype	O
;	O
the	O
"	O
Steel	O
Skin	O
Pack	O
"	O
,	O
which	O
offers	O
steampunk-themed	O
skins	O
for	O
weapons	O
;	O
and	O
the	O
"	O
Infinity	O
Armor	O
Pack	O
"	O
,	O
which	O
includes	O
new	O
armor	O
for	O
customizing	O
the	O
player	O
's	O
Spartan	O
.	O
</s>
<s>
These	O
updates	O
make	O
playlist	O
and	O
balance	O
changes	O
,	O
sandbox	O
tweaks	O
and	O
fix	O
minor	O
glitches	B-Error_Name
.	O
</s>
<s>
A	O
title	O
update	O
to	O
fix	O
various	O
game	O
issues	O
and	O
glitches	B-Error_Name
was	O
released	O
in	O
December	O
2012	O
.	O
</s>
<s>
Spartan	O
Ops	O
went	O
on	O
a	O
mid-season	O
break	O
that	O
December	O
and	O
resumed	O
on	O
January	O
21	O
,	O
2013	O
;	O
the	O
back	O
half	O
of	O
the	O
season	O
was	O
made	O
available	O
as	O
a	O
free	O
download	O
from	O
the	O
Xbox	B-Application
Live	I-Application
Marketplace	O
.	O
</s>
<s>
On	O
January	O
29	O
,	O
an	O
in-game	O
search	O
feature	O
was	O
implemented	O
for	O
Halo	B-Application
4s	I-Application
file	O
sharing	O
system	O
;	O
a	O
web	O
version	O
of	O
the	O
Halo	B-Application
4	I-Application
file	O
browser	O
was	O
made	O
available	O
on	O
February	O
27	O
,	O
2013	O
.	O
</s>
<s>
On	O
April	O
8	O
,	O
343	O
Industries	O
launched	O
a	O
competitive	O
skill	O
ranking	O
system	O
akin	O
to	O
that	O
featured	O
in	O
Halo	B-Application
2	O
and	O
Halo	B-Application
3	I-Application
.	O
</s>
<s>
During	O
Spartan	O
Ops	O
 '	O
mid-season	O
break	O
,	O
a	O
free-to-enter	O
Halo	B-Application
4	I-Application
tournament	O
,	O
titled	O
Halo	B-Application
4	I-Application
Infinity	O
Challenge	O
,	O
was	O
launched	O
by	O
Microsoft	O
in	O
partnership	O
with	O
Virgin	B-Application
Gaming	I-Application
.	O
</s>
<s>
Players	O
could	O
register	O
on	O
the	O
Halo	B-Application
4	I-Application
Infinity	O
Challenge	O
website	O
to	O
participate	O
in	O
the	O
tournament	O
,	O
giving	O
them	O
the	O
opportunity	O
to	O
win	O
various	O
prizes	O
.	O
</s>
<s>
On	O
July	O
3	O
,	O
2013	O
,	O
343	O
Industries	O
announced	O
a	O
second	O
tournament	O
in	O
partnership	O
with	O
Virgin	B-Application
Gaming	I-Application
,	O
titled	O
Halo	B-Application
4	I-Application
Global	O
Championship	O
.	O
</s>
<s>
The	O
tournament	O
began	O
on	O
July	O
5	O
at	O
RTX	O
2013	O
,	O
and	O
on	O
July	O
15	O
on	O
Xbox	B-Application
Live	I-Application
.	O
</s>
<s>
Halo	B-Application
4	I-Application
was	O
re-released	O
as	O
part	O
of	O
Halo	B-Application
:	I-Application
The	I-Application
Master	I-Application
Chief	I-Application
Collection	I-Application
for	O
the	B-Device
Xbox	I-Device
One	I-Device
on	O
November	O
11	O
,	O
2014	O
,	O
and	O
for	O
Microsoft	B-Application
Windows	I-Application
on	O
November	O
17	O
,	O
2020	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Halo	B-Application
5	I-Application
:	I-Application
Guardians	I-Application
,	O
was	O
released	O
for	O
the	B-Device
Xbox	I-Device
One	I-Device
on	O
October	O
27	O
,	O
2015	O
.	O
</s>
<s>
Halo	B-Application
4	I-Application
received	O
positive	O
reviews	O
from	O
critics	O
,	O
with	O
aggregate	B-Application
review	I-Application
website	O
Metacritic	O
assigning	O
it	O
an	O
average	O
score	O
of	O
87	O
out	O
of	O
100	O
,	O
based	O
on	O
87	O
reviews	O
.	O
</s>
<s>
Ryan	O
McCaffrey	O
of	O
IGN	O
gave	O
Halo	B-Application
4	I-Application
a	O
very	O
positive	O
review	O
,	O
considering	O
it	O
to	O
be	O
the	O
best	O
game	O
of	O
the	O
series	O
to	O
date	O
and	O
the	O
best	O
Xbox	B-Operating_System
360	I-Operating_System
game	O
of	O
2012	O
;	O
he	O
called	O
it	O
"	O
a	O
bar-raising	O
triumph	O
for	O
the	O
entire	O
first-person	O
shooter	O
genre.	O
"	O
</s>
<s>
Wesley	O
Yin-Poole	O
of	O
Eurogamer	O
remarked	O
that	O
although	O
he	O
was	O
initially	O
skeptical	O
of	O
changes	O
being	O
made	O
to	O
the	O
formula	O
,	O
343	O
's	O
greatest	O
achievement	O
was	O
managing	O
to	O
stay	O
true	O
to	O
what	O
Halo	B-Application
is	O
.	O
</s>
<s>
He	O
was	O
enthusiastic	O
to	O
see	O
what	O
the	O
developer	O
would	O
do	O
with	O
Halo	B-Application
5	I-Application
and	O
expected	O
them	O
to	O
deviate	O
further	O
while	O
retaining	O
the	O
series	O
 '	O
"	O
magic	O
"	O
.	O
</s>
<s>
Halo	B-Application
4s	I-Application
campaign	O
received	O
a	O
mixed	O
reception	O
from	O
critics	O
.	O
</s>
<s>
1UP.com	O
reviewer	O
Jose	O
Otero	O
was	O
critical	O
of	O
Halo	B-Application
4s	I-Application
story	O
,	O
writing	O
that	O
the	O
ending	O
of	O
the	O
game	O
"	O
does	O
n't	O
make	O
a	O
lot	O
of	O
sense	O
"	O
.	O
</s>
<s>
Both	O
G4	O
and	O
Official	O
Xbox	B-Operating_System
Magazine	O
agreed	O
that	O
the	O
plot	O
became	O
convoluted	O
on	O
occasions	O
and	O
might	O
be	O
difficult	O
to	O
understand	O
for	O
new	O
players	O
of	O
the	O
franchise	O
.	O
</s>
<s>
Michael	O
Gapper	O
of	O
Computer	O
and	O
Video	O
Games	O
drew	O
a	O
comparison	O
between	O
Halo	B-Application
4	I-Application
and	O
Halo	B-Application
2	O
.	O
</s>
<s>
He	O
stated	O
that	O
the	O
hardware	O
limitations	O
of	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
had	O
negatively	O
impacted	O
Halo	B-Application
4s	I-Application
campaign	O
,	O
in	O
the	O
same	O
way	O
that	O
they	O
had	O
throttled	O
Bungie	O
's	O
ambitions	O
for	O
Halo	B-Application
2	O
on	O
the	B-Application
original	I-Application
Xbox	I-Application
.	O
</s>
<s>
He	O
explained	O
that	O
although	O
the	O
game	O
was	O
visually	O
stunning	O
,	O
this	O
had	O
detracted	O
from	O
the	O
scale	O
and	O
spectacle	O
that	O
was	O
present	O
in	O
Halo	B-Application
3s	I-Application
campaign	O
.	O
</s>
<s>
He	O
praised	O
the	O
continuing	O
robustness	O
of	O
Custom	O
Game	O
options	O
and	O
the	O
accessibility	O
of	O
level	O
editing	O
in	O
Forge	B-Application
.	O
</s>
<s>
CVG	O
's	O
Gapper	O
stated	O
that	O
the	O
new	O
scoring	O
system	O
alone	O
made	O
Halo	B-Application
4	I-Application
multiplayer	O
the	O
best	O
in	O
the	O
series	O
,	O
emphasizing	O
that	O
recognition	O
for	O
assists	O
and	O
completing	O
objective	O
tasks	O
was	O
a	O
positive	O
change	O
.	O
</s>
<s>
Polygon	O
writer	O
,	O
Arthur	O
Gies	O
,	O
said	O
that	O
the	O
new	O
game	O
mode	O
Dominion	O
was	O
the	O
best	O
addition	O
to	O
Halo	B-Application
multiplayer	O
since	O
the	O
introduction	O
of	O
Xbox	B-Application
Live	I-Application
.	O
</s>
<s>
1UP.com	O
found	O
that	O
while	O
the	O
short	O
length	O
felt	O
odd	O
initially	O
,	O
the	O
mode	O
was	O
still	O
fun	O
to	O
play	O
and	O
offered	O
more	O
opportunities	O
to	O
play	O
Halo	B-Application
cooperatively	O
.	O
</s>
<s>
2012	O
Spike	O
TV	O
Video	O
Game	O
Awards	O
Best	O
Xbox	B-Operating_System
360	I-Operating_System
Game	O
Halo	B-Application
4	I-Application
Best	O
Shooter	O
Halo	B-Application
4	I-Application
Best	O
Multiplayer	O
Game	O
Halo	B-Application
4	I-Application
Best	O
Original	O
Score	O
Halo	B-Application
4	I-Application
Best	O
Graphics	O
Halo	B-Application
4	I-Application
Studio	O
of	O
the	O
Year	O
343	O
Industries	O
for	O
Halo	B-Application
4	I-Application
Best	O
Performance	O
by	O
a	O
Human	O
Female	O
Jen	O
Taylor	O
as	O
Cortana	O
Character	O
of	O
the	O
Year	O
(	O
viewer-voted	O
)	O
Master	O
Chief	O
Inside	O
Gaming	O
Awards	O
Game	O
of	O
the	O
Year	O
Halo	B-Application
4	I-Application
Best	O
Competitive	O
Multiplayer	O
Halo	B-Application
4	I-Application
Best	O
Sound	O
Design	O
Halo	B-Application
4	I-Application
Best	O
Art	O
Direction	O
Halo	B-Application
4	I-Application
Best	O
Animation	O
Halo	B-Application
4	I-Application
Best	O
Original	O
Score	O
Halo	B-Application
4	I-Application
Best	O
Game	O
Cinematography	O
Halo	B-Application
4	I-Application
Best	O
Character	O
Design	O
Cortana	O
GamesRadar	O
Shooter	O
of	O
the	O
Year	O
Halo	B-Application
4	I-Application
Game	O
of	O
the	O
Year	O
Halo	B-Application
4	I-Application
X-Plays	O
Best	O
of	O
2012	O
Awards	O
Game	O
of	O
the	O
Year	O
Halo	B-Application
4	I-Application
Best	O
Multiplayer	O
Game	O
Halo	B-Application
4	I-Application
Best	O
Multiplayer	O
Co-op	O
Game	O
Halo	B-Application
4	I-Application
Best	O
Shooter	O
Halo	B-Application
4	I-Application
Best	O
Art	O
Direction	O
Halo	B-Application
4	I-Application
GameSpot	O
's	O
Best	O
Games	O
of	O
2012	O
Shooter	O
of	O
the	O
Year	O
Halo	B-Application
4	I-Application
Xbox	B-Operating_System
360	I-Operating_System
Game	O
of	O
the	O
Year	O
Halo	B-Application
4	I-Application
Overall	O
Game	O
of	O
the	O
Year	O
Halo	B-Application
4	I-Application
IGN	O
's	O
Best	O
of	O
2012	O
Best	O
Overall	O
Game	O
Halo	B-Application
4	I-Application
Best	O
Xbox	B-Operating_System
360	I-Operating_System
Shooter	O
Game	O
Halo	B-Application
4	I-Application
Best	O
Xbox	B-Operating_System
360	I-Operating_System
Graphics	O
Halo	B-Application
4	I-Application
Best	O
Xbox	B-Operating_System
360	I-Operating_System
Sound	O
Halo	B-Application
4	I-Application
Best	O
Xbox	B-Operating_System
360	I-Operating_System
Story	O
Halo	B-Application
4	I-Application
Best	O
Xbox	B-Operating_System
360	I-Operating_System
Multiplayer	O
Game	O
Halo	B-Application
4	I-Application
Best	O
Xbox	B-Operating_System
360	I-Operating_System
Game	O
Halo	B-Application
4	I-Application
Best	O
Overall	O
Shooter	O
Halo	B-Application
4	I-Application
Best	O
Overall	O
Multiplayer	O
Game	O
Halo	B-Application
4	I-Application
Best	O
Overall	O
Graphics	O
Halo	B-Application
4	I-Application
Best	O
Overall	O
Sound	O
Halo	B-Application
4	I-Application
OXMs	O
Game	O
of	O
the	O
Year	O
2012	O
Awards	O
Game	O
of	O
the	O
Year	O
Halo	B-Application
4	I-Application
Best	O
Shooter	O
Halo	B-Application
4	I-Application
Best	O
Multiplayer	O
Halo	B-Application
4	I-Application
Best	O
Villain	O
The	O
Didact	O
Developer	O
of	O
the	O
Year	O
343	O
Industries	O
for	O
Halo	B-Application
4	I-Application
2013	O
16th	O
Annual	O
D.I.C.E.	O
</s>
