<s>
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
:	I-Application
Ground	I-Application
Zeroes	I-Application
is	O
a	O
2014	O
action-adventure	O
stealth	O
video	O
game	O
developed	O
by	O
Kojima	O
Productions	O
and	O
published	O
by	O
Konami	O
.	O
</s>
<s>
It	O
is	O
the	O
eighth	O
game	O
in	O
the	O
Metal	B-Application
Gear	I-Application
series	I-Application
directed	O
,	O
written	O
and	O
designed	O
by	O
Hideo	O
Kojima	O
,	O
and	O
serves	O
as	O
a	O
prologue	O
to	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
:	I-Application
The	I-Application
Phantom	I-Application
Pain	I-Application
,	O
released	O
the	O
following	O
year	O
.	O
</s>
<s>
Set	O
in	O
1975	O
,	O
a	O
few	O
months	O
after	O
the	O
events	O
of	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
:	I-Application
Peace	I-Application
Walker	I-Application
,	O
the	O
story	O
follows	O
Snake	O
as	O
he	O
infiltrates	O
an	O
American	O
black	O
site	O
in	O
Cuba	O
called	O
Camp	O
Omega	O
,	O
attempting	O
to	O
rescue	O
Cipher	O
agent	O
Paz	O
Ortega	O
Andrade	O
and	O
former	O
Sandinista	O
child	O
soldier	O
Ricardo	O
"	O
Chico	O
"	O
Valenciano	O
Libre	O
.	O
</s>
<s>
Ground	B-Application
Zeroes	I-Application
offers	O
players	O
new	O
sneaking	O
and	O
traversal	O
methods	O
compared	O
to	O
its	O
predecessors	O
,	O
as	O
well	O
as	O
the	O
choice	O
in	O
what	O
order	O
the	O
story	O
events	O
take	O
place	O
by	O
selecting	O
missions	O
in	O
any	O
order	O
they	O
chose	O
.	O
</s>
<s>
The	O
game	O
was	O
originally	O
developed	O
as	O
a	O
mission	O
for	O
The	B-Application
Phantom	I-Application
Pain	I-Application
but	O
an	O
extended	O
development	O
time	O
resulted	O
in	O
Kojima	O
splitting	O
the	O
specific	O
portion	O
of	O
the	O
game	O
as	O
a	O
stand-alone	O
product	O
so	O
that	O
players	O
could	O
get	O
early	O
access	O
to	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
.	O
</s>
<s>
Ground	B-Application
Zeroes	I-Application
was	O
released	O
for	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
Xbox	B-Operating_System
360	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
in	O
March	O
2014	O
,	O
and	O
for	O
Windows	O
in	O
December	O
2014	O
.	O
</s>
<s>
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
:	I-Application
The	I-Application
Definitive	I-Application
Experience	I-Application
,	O
a	O
bundle	O
that	O
includes	O
both	O
Ground	B-Application
Zeroes	I-Application
and	O
The	B-Application
Phantom	I-Application
Pain	I-Application
,	O
along	O
with	O
all	O
additional	O
content	O
for	O
both	O
games	O
,	O
was	O
released	O
in	O
October	O
2016	O
.	O
</s>
<s>
Ground	B-Application
Zeroes	I-Application
features	O
seven	O
missions	O
in	O
total	O
,	O
locked	O
at	O
individual	O
levels	O
.	O
</s>
<s>
A	O
companion	O
app	O
for	O
iOS	B-Application
or	O
Android	B-Application
was	O
made	O
to	O
help	O
players	O
access	O
the	O
in-game	O
map	O
and	O
other	O
iDroid	O
functions	O
on	O
their	O
smartphones	O
.	O
</s>
<s>
Atmospheric	O
weather	O
and	O
lighting	O
in	O
Ground	B-Application
Zeroes	I-Application
is	O
mission-proprietary	O
,	O
meaning	O
that	O
the	O
setting	O
of	O
the	O
game	O
depends	O
on	O
the	O
individual	O
mission	O
being	O
played	O
.	O
</s>
<s>
A	O
real-time	O
day	O
and	O
night	O
cycle	O
was	O
originally	O
planned	O
for	O
the	O
game	O
,	O
but	O
left	O
out	O
in	O
favor	O
of	O
fully	O
utilizing	O
it	O
in	O
The	B-Application
Phantom	I-Application
Pain	I-Application
.	O
</s>
<s>
Kojima	O
has	O
spoken	O
about	O
the	O
restrictive	O
nature	O
of	O
previous	O
Metal	B-Application
Gear	I-Application
titles	O
,	O
saying	O
that	O
they	O
"	O
set	O
[	O
the	O
player ]	O
on	O
one	O
rail	O
to	O
get	O
from	O
point	O
A	O
to	O
point	O
B	O
,	O
with	O
a	O
certain	O
amount	O
of	O
freedom	O
between	O
"	O
.	O
</s>
<s>
This	O
was	O
in	O
order	O
for	O
Kojima	O
to	O
accomplish	O
a	O
"	O
true	O
open	O
world	O
experience	O
"	O
with	O
Ground	B-Application
Zeroes	I-Application
.	O
</s>
<s>
Set	O
in	O
March	O
1975	O
,	O
a	O
few	O
months	O
after	O
the	O
events	O
of	O
Peace	B-Application
Walker	I-Application
,	O
players	O
control	O
returning	O
protagonist	O
Snake	O
,	O
also	O
known	O
as	O
Big	O
Boss	O
(	O
Kiefer	O
Sutherland/Akio	O
Ōtsuka	O
)	O
,	O
as	O
he	O
works	O
with	O
Militaires	O
Sans	O
Frontières	O
(	O
MSF	O
)	O
to	O
infiltrate	O
an	O
American	O
black	O
site	O
on	O
Cuban	O
soil	O
called	O
Camp	O
Omega	O
.	O
</s>
<s>
In	O
the	O
aftermath	O
of	O
the	O
Peace	B-Application
Walker	I-Application
incident	O
,	O
Paz	O
Ortega	O
Andrade	O
is	O
missing	O
and	O
presumed	O
dead	O
.	O
</s>
<s>
Collectible	O
audio	O
logs	O
reveal	O
that	O
Huey	O
arranged	O
for	O
the	O
United	O
Nations	O
to	O
come	O
to	O
Mother	O
Base	O
against	O
both	O
Snake	O
's	O
and	O
Miller	O
's	O
objections	O
,	O
prompting	O
them	O
to	O
hide	O
the	O
nuclear-equipped	O
Metal	B-Application
Gear	I-Application
ZEKE	O
underwater	O
.	O
</s>
<s>
Ground	B-Application
Zeroes	I-Application
contains	O
four	O
additional	O
missions	O
,	O
known	O
as	O
Side	O
Ops	O
,	O
that	O
take	O
place	O
in	O
the	O
weeks	O
before	O
the	O
events	O
of	O
the	O
main	O
storyline	O
.	O
</s>
<s>
Suspicious	O
about	O
the	O
facility	O
's	O
purpose	O
,	O
MSF	O
stations	O
a	O
spy	O
—	O
revealed	O
to	O
be	O
the	O
series	O
 '	O
creator	O
,	O
Hideo	O
Kojima	O
,	O
reprising	O
a	O
similar	O
cameo	O
in	O
Peace	B-Application
Walker	I-Application
—	O
in	O
the	O
camp	O
,	O
who	O
requests	O
an	O
emergency	O
evacuation	O
.	O
</s>
<s>
In	O
February	O
2012	O
,	O
a	O
site	O
named	O
"	O
Development	O
Without	O
Borders	O
"	O
owned	O
by	O
Konami	O
was	O
uploaded	O
promoting	O
development	O
for	O
a	O
new	O
Metal	B-Application
Gear	I-Application
title	O
,	O
which	O
was	O
titled	O
"	O
The	O
'	O
next	O
 '	O
MGS	O
"	O
.	O
</s>
<s>
The	O
site	O
was	O
recruiting	O
staff	O
for	O
the	O
2012	O
GDC	O
pavilion	O
in	O
March	O
,	O
and	O
requested	O
applications	O
for	O
several	O
positions	O
for	O
the	O
latest	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
targeted	O
for	O
"	O
high-end	O
consoles	O
and	O
PC	O
"	O
and	O
"	O
next-gen	O
Fox	O
engine	O
"	O
.	O
</s>
<s>
This	O
media	O
demonstrated	O
a	O
range	O
of	O
settings	O
and	O
characters	O
,	O
none	O
explicitly	O
related	O
to	O
the	O
Metal	B-Application
Gear	I-Application
series	I-Application
.	O
</s>
<s>
Certain	O
screenshots	O
,	O
however	O
,	O
were	O
noted	O
to	O
feature	O
a	O
character	O
who	O
resembled	O
the	O
Big	O
Boss	O
character	O
of	O
Metal	B-Application
Gear	I-Application
,	O
walking	O
up	O
to	O
a	O
Stryker	O
AFV	O
,	O
previously	O
seen	O
in	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
4	O
.	O
</s>
<s>
The	O
game	O
was	O
announced	O
on	O
August	O
30	O
,	O
2012	O
,	O
originally	O
under	O
the	O
name	O
of	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
:	I-Application
Ground	I-Application
Zeroes	I-Application
.	O
</s>
<s>
It	O
was	O
revealed	O
at	O
a	O
private	O
function	O
celebrating	O
the	O
twenty-fifth	O
anniversary	O
of	O
the	O
Metal	B-Application
Gear	I-Application
series	I-Application
,	O
and	O
made	O
its	O
public	O
debut	O
two	O
days	O
later	O
at	O
the	O
2012	O
Penny	O
Arcade	O
Expo	O
.	O
</s>
<s>
Director	O
Hideo	O
Kojima	O
confirmed	O
that	O
Big	O
Boss	O
would	O
return	O
as	O
the	O
game	O
's	O
protagonist	O
,	O
and	O
that	O
the	O
story	O
would	O
serve	O
as	O
a	O
prologue	O
to	O
another	O
game	O
in	O
the	O
series	O
,	O
later	O
revealed	O
as	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
:	I-Application
The	I-Application
Phantom	I-Application
Pain	I-Application
.	O
</s>
<s>
It	O
was	O
the	O
second	O
game	O
to	O
utilize	O
the	O
Fox	O
Engine	O
,	O
after	O
Pro	B-Application
Evolution	I-Application
Soccer	I-Application
2014	I-Application
the	O
year	O
before	O
.	O
</s>
<s>
Ground	B-Application
Zeroes	I-Application
is	O
the	O
first	O
title	O
in	O
the	O
series	O
subtitled	O
in	O
Arabic	O
,	O
a	O
feature	O
the	O
team	O
had	O
originally	O
planned	O
for	O
previous	O
games	O
.	O
</s>
<s>
Ground	B-Application
Zeroes	I-Application
and	O
The	B-Application
Phantom	I-Application
Pain	I-Application
were	O
originally	O
supposed	O
to	O
be	O
released	O
together	O
,	O
but	O
The	B-Application
Phantom	I-Application
Pains	I-Application
long	O
development	O
time	O
resulted	O
in	O
Kojima	O
splitting	O
the	O
project	O
into	O
two	O
parts	O
to	O
allow	O
players	O
to	O
experience	O
the	O
gameplay	O
of	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
prior	O
to	O
the	O
full	O
game	O
's	O
release	O
.	O
</s>
<s>
Kojima	O
compared	O
Ground	B-Application
Zeroes	I-Application
with	O
the	O
pre-title	O
sequence	O
in	O
a	O
Hollywood	O
movie	O
due	O
to	O
how	O
it	O
will	O
build	O
up	O
the	O
plot	O
from	O
The	B-Application
Phantom	I-Application
Pain	I-Application
.	O
</s>
<s>
Kojima	O
has	O
described	O
the	O
connections	O
and	O
differences	O
between	O
Ground	B-Application
Zeroes	I-Application
and	O
The	B-Application
Phantom	I-Application
Pain	I-Application
,	O
stating	O
that	O
"	O
the	O
advanced	O
capabilities	O
of	O
the	O
Fox	O
Engine	O
have	O
allowed	O
me	O
to	O
tell	O
the	O
new	O
story	O
in	O
a	O
new	O
way	O
"	O
,	O
and	O
that	O
"	O
there	O
will	O
be	O
a	O
significant	O
difference	O
in	O
what	O
The	B-Application
Phantom	I-Application
Pain	I-Application
brings	O
to	O
the	O
series	O
,	O
so	O
we	O
want	O
to	O
ease	O
players	O
into	O
the	O
new	O
open	O
world	O
environment	O
and	O
its	O
potential	O
"	O
,	O
hoping	O
to	O
achieve	O
that	O
with	O
Ground	B-Application
Zeroes	I-Application
.	O
</s>
<s>
Originally	O
it	O
was	O
announced	O
that	O
Ground	B-Application
Zeroes	I-Application
would	O
be	O
released	O
digital	O
only	O
on	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
,	O
while	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
would	O
be	O
receiving	O
the	O
title	O
in	O
both	O
,	O
physical	O
and	O
digital	O
formats	O
.	O
</s>
<s>
This	O
later	O
changed	O
when	O
physical	O
versions	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
were	O
announced	O
on	O
December	O
10	O
,	O
2013	O
.	O
</s>
<s>
Kojima	O
explained	O
that	O
the	O
decision	O
to	O
change	O
the	O
cover	O
art	O
for	O
the	O
western	O
versions	O
came	O
from	O
Konami	O
's	O
foreign	O
marketing	O
department	O
,	O
as	O
they	O
felt	O
that	O
consumers	O
would	O
not	O
recognize	O
Miller	O
due	O
to	O
the	O
underwhelming	O
sales	O
of	O
Peace	B-Application
Walker	I-Application
on	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
in	O
the	O
west	O
.	O
</s>
<s>
As	O
part	O
of	O
a	O
dual-exclusivity	O
deal	O
,	O
the	O
initial	O
release	O
of	O
the	O
two	O
Extra	O
Ops	O
were	O
locked	O
between	O
the	O
PlayStation	O
and	O
Xbox	B-Operating_System
platforms	O
.	O
</s>
<s>
The	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
and	O
PlayStation	B-Operating_System
3	I-Operating_System
versions	O
featured	O
the	O
"	O
Deja	O
Vu	O
"	O
mission	O
,	O
in	O
which	O
the	O
player	O
must	O
recreate	O
scenes	O
or	O
events	O
from	O
the	O
original	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
,	O
while	O
the	B-Device
Xbox	I-Device
One	I-Device
and	O
Xbox	B-Operating_System
360	I-Operating_System
versions	O
featured	O
the	O
"	O
Jamais	O
Vu	O
"	O
mission	O
,	O
in	O
which	O
player	O
controls	O
the	O
cyborg	O
version	O
of	O
Raiden	O
from	O
Metal	B-Application
Gear	I-Application
Rising	I-Application
:	I-Application
Revengeance	I-Application
,	O
as	O
he	O
is	O
tasked	O
with	O
eliminating	O
a	O
group	O
of	O
bioroids	O
who	O
have	O
infiltrated	O
the	O
base	O
disguised	O
as	O
human	O
soldiers	O
(	O
a	O
homage	O
to	O
Kojima	O
's	O
earlier	O
game	O
Snatcher	B-Application
)	O
.	O
</s>
<s>
Ground	B-Application
Zeroes	I-Application
was	O
released	O
in	O
Japan	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
,	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
on	O
March	O
20	O
,	O
2014	O
.	O
</s>
<s>
Because	O
of	O
the	O
late	O
launch	O
of	O
the	B-Device
Xbox	I-Device
One	I-Device
in	O
Japan	O
,	O
its	O
version	O
was	O
released	O
several	O
months	O
later	O
on	O
September	O
4	O
in	O
digital	O
format	O
only	O
.	O
</s>
<s>
As	O
with	O
previous	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
installments	O
,	O
a	O
limited	O
"	O
Premium	O
Package	O
"	O
edition	O
was	O
produced	O
and	O
sold	O
by	O
Amazon	B-Application
Japan	I-Application
.	O
</s>
<s>
This	O
edition	O
was	O
sold	O
in	O
a	O
box	O
featuring	O
hand-drawn	O
artwork	O
by	O
Yoji	O
Shinkawa	O
,	O
which	O
contained	O
the	O
game	O
itself	O
,	O
a	O
Revoltech	O
Yamaguchi	O
action	O
figure	O
of	O
Snake	O
in	O
his	O
Ground	B-Application
Zeroes	I-Application
garb	O
,	O
and	O
a	O
special	O
edition	O
of	O
the	O
Peace	B-Application
Walker	I-Application
novelization	O
written	O
by	O
Hitori	O
Nojima	O
featuring	O
exclusive	O
artwork	O
not	O
in	O
the	O
stand-alone	O
edition	O
.	O
</s>
<s>
The	O
Australian	O
and	O
New	O
Zealand	O
release	O
of	O
Ground	B-Application
Zeroes	I-Application
was	O
delayed	O
to	O
March	O
27	O
.	O
</s>
<s>
On	O
August	O
13	O
,	O
2014	O
,	O
Konami	O
announced	O
that	O
Ground	B-Application
Zeroes	I-Application
,	O
along	O
with	O
The	B-Application
Phantom	I-Application
Pain	I-Application
,	O
would	O
be	O
released	O
for	O
Windows	O
via	O
Steam	B-Application
.	O
</s>
<s>
Ground	B-Application
Zeroes	I-Application
was	O
released	O
on	O
December	O
18	O
,	O
2014	O
,	O
while	O
The	B-Application
Phantom	I-Application
Pain	I-Application
was	O
released	O
on	O
Steam	B-Application
on	O
September	O
1	O
,	O
2015	O
.	O
</s>
<s>
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
:	I-Application
The	I-Application
Definitive	I-Application
Experience	I-Application
,	O
a	O
complete	O
edition	O
that	O
includes	O
Ground	B-Application
Zeroes	I-Application
and	O
The	B-Application
Phantom	I-Application
Pain	I-Application
in	O
one	O
bundle	O
,	O
was	O
released	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
,	O
Xbox	B-Device
One	I-Device
and	O
Steam	B-Application
in	O
2016	O
.	O
</s>
<s>
It	O
includes	O
both	O
Extra	O
Ops	O
on	O
all	O
three	O
platforms	O
,	O
as	O
well	O
as	O
the	O
option	O
to	O
immediately	O
start	O
The	B-Application
Phantom	I-Application
Pain	I-Application
after	O
completing	O
the	O
main	O
mission	O
.	O
</s>
<s>
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
:	I-Application
Ground	I-Application
Zeroes	I-Application
received	O
"	O
generally	O
favorable	O
"	O
reviews	O
from	O
critics	O
on	O
all	O
platforms	O
except	O
on	O
PlayStation	B-Operating_System
3	I-Operating_System
which	O
received	O
"	O
mixed	O
or	O
average	O
"	O
reviews	O
,	O
according	O
to	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
GameSpot	O
felt	O
that	O
the	O
new	O
stealth	O
mechanics	O
in	O
Ground	B-Application
Zeroes	I-Application
,	O
such	O
as	O
the	O
replacement	O
of	O
the	O
radar	O
and	O
other	O
indicators	O
with	O
binoculars	O
and	O
radio	O
communication	O
,	O
made	O
its	O
overall	O
gameplay	O
more	O
"	O
immersive	O
"	O
than	O
previous	O
installments	O
,	O
noting	O
that	O
"	O
nothing	O
is	O
simply	O
handed	O
to	O
you	O
,	O
and	O
Ground	B-Application
Zeroes	I-Application
is	O
a	O
far	O
more	O
tense	O
and	O
rewarding	O
experience	O
for	O
it	O
"	O
.	O
</s>
<s>
Robert	O
Rath	O
,	O
a	O
columnist	O
at	O
The	O
Escapist	O
,	O
praised	O
the	O
emphasis	O
on	O
collecting	O
information	O
over	O
gunfights	O
and	O
combat	O
,	O
saying	O
"	O
Ground	B-Application
Zeroes	I-Application
is	O
the	O
first	O
MGS	O
game	O
to	O
live	O
up	O
to	O
its	O
subtitle	O
and	O
actually	O
allow	O
you	O
to	O
conduct	O
tactical	O
espionage	O
operations.	O
"	O
</s>
<s>
Jim	O
Sterling	O
of	O
The	O
Escapist	O
praised	O
the	O
gameplay	O
and	O
expressed	O
anticipation	O
for	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
V	I-Application
:	I-Application
The	I-Application
Phantom	I-Application
Pain	I-Application
,	O
but	O
was	O
highly	O
critical	O
of	O
its	O
length	O
,	O
describing	O
it	O
as	O
a	O
game	O
demo	O
and	O
expressing	O
shock	O
that	O
Konami	O
had	O
seen	O
fit	O
to	O
sell	O
.	O
</s>
<s>
Although	O
praising	O
its	O
overall	O
audiovisual	O
design	O
and	O
attention	O
to	O
detail	O
,	O
Ground	B-Application
Zeroes	I-Application
was	O
criticized	O
for	O
the	O
changes	O
made	O
to	O
its	O
stealth	O
mechanics	O
,	O
its	O
"	O
half-baked	O
"	O
action	O
sequences	O
,	O
and	O
the	O
extremely	O
short	O
length	O
of	O
the	O
game	O
's	O
main	O
campaign	O
,	O
which	O
was	O
further	O
criticized	O
for	O
being	O
"	O
dull	O
"	O
and	O
"	O
underwhelming	O
"	O
.	O
</s>
<s>
During	O
the	O
first	O
week	O
of	O
release	O
in	O
Japan	O
,	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
of	O
the	O
game	O
sold	O
119,615	O
physical	O
retail	O
copies	O
,	O
ranking	O
third	O
place	O
amongst	O
all	O
Japanese	O
software	O
sales	O
within	O
that	O
week	O
,	O
whilst	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
version	O
sold	O
91,903	O
physical	O
retail	O
copies	O
.	O
</s>
<s>
The	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
version	O
has	O
sold	O
three	O
times	O
more	O
than	O
the	B-Device
Xbox	I-Device
One	I-Device
version	O
.	O
</s>
<s>
No	O
official	O
numbers	O
were	O
given	O
on	O
the	O
sales	O
of	O
the	O
Steam	B-Application
version	O
;	O
however	O
,	O
Konami	O
has	O
stated	O
that	O
sales	O
of	O
Ground	B-Application
Zeroes	I-Application
were	O
"	O
solid	O
"	O
on	O
the	O
PC	O
platform	O
.	O
</s>
