<s>
Marathon	B-Application
2	I-Application
:	I-Application
Durandal	I-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
,	O
part	O
of	O
the	O
science	O
fiction	O
Marathon	B-Application
Trilogy	I-Application
by	O
Bungie	O
.	O
</s>
<s>
The	O
game	O
is	O
mostly	O
set	O
on	O
the	O
fictional	O
planet	O
of	O
Lh'owon	B-Application
,	O
homeworld	O
of	O
the	O
S'pht	B-Application
,	O
and	O
once	O
again	O
the	O
player	O
takes	O
the	O
role	O
of	O
a	O
shipboard	O
security	O
officer	O
from	O
the	O
Marathon	B-Application
.	O
</s>
<s>
This	O
is	O
the	O
only	O
game	O
in	O
the	O
series	O
to	O
be	O
officially	O
released	O
for	O
Windows	B-Application
and	O
Xbox	B-Operating_System
360	I-Operating_System
XBLA	B-Device
in	O
addition	O
to	O
the	O
Mac	O
.	O
</s>
<s>
Marathon	B-Application
2	I-Application
takes	O
place	O
seventeen	O
years	O
after	O
the	O
events	O
of	O
the	O
first	B-Application
game	I-Application
.	O
</s>
<s>
Durandal	O
,	O
one	O
of	O
the	O
three	O
AIs	B-Application
from	O
the	O
colony	O
ship	O
UESC	O
Marathon	B-Application
,	O
sends	O
the	O
player	O
and	O
an	O
army	O
of	O
ex-colonists	O
to	O
search	O
the	O
ruins	O
of	O
Lh'owon	B-Application
,	O
the	O
S'pht	B-Application
home-world	O
.	O
</s>
<s>
He	O
does	O
not	O
mention	O
what	O
exactly	O
he	O
is	O
looking	O
for	O
,	O
although	O
he	O
does	O
let	O
slip	O
that	O
the	O
Pfhor	B-Application
are	O
planning	O
to	O
attack	O
Earth	O
,	O
and	O
that	O
being	O
on	O
Lh'owon	B-Application
may	O
stall	O
their	O
advance	O
.	O
</s>
<s>
The	O
game	O
picks	O
up	O
where	O
the	O
original	O
Marathon	B-Application
left	O
off	O
.	O
</s>
<s>
In	O
that	O
game	O
the	O
UESC	O
Marathon	B-Application
is	O
in	O
orbit	O
around	O
Tau	B-Application
Ceti	I-Application
's	O
fourth	O
planet	O
,	O
where	O
a	O
colony	O
is	O
being	O
formed	O
.	O
</s>
<s>
The	O
Marathon	B-Application
is	O
run	O
by	O
three	O
AIs	B-Application
,	O
Leela	O
,	O
Durandal	O
and	O
Tycho	O
.	O
</s>
<s>
Without	O
warning	O
,	O
an	O
alien	O
ship	O
appears	O
and	O
starts	O
an	O
attack	O
on	O
the	O
colony	O
and	O
the	O
Marathon	B-Application
.	O
</s>
<s>
This	O
leaves	O
Leela	O
as	O
the	O
only	O
remaining	O
AI	B-Application
in	O
control	O
of	O
the	O
ship	O
.	O
</s>
<s>
During	O
these	O
missions	O
,	O
Leela	O
informs	O
the	O
officer	O
that	O
Durandal	O
has	O
made	O
contact	O
with	O
the	O
alien	O
cyborgs	O
,	O
known	O
as	O
the	O
S'pht	B-Application
,	O
who	O
are	O
a	O
race	O
enslaved	O
by	O
another	O
alien	O
race	O
commanding	O
the	O
attack	O
,	O
the	O
Pfhor	B-Application
.	O
</s>
<s>
Eventually	O
AI	B-Application
Leela	O
succumbs	O
to	O
the	O
S'pht	B-Application
attacks	O
,	O
and	O
Durandal	O
asserts	O
full	O
control	O
.	O
</s>
<s>
Durandal	O
has	O
persuaded	O
the	O
S'pht	B-Application
to	O
join	O
him	O
and	O
fight	O
against	O
the	O
Pfhor	B-Application
,	O
after	O
directing	O
the	O
security	O
officer	O
to	O
destroy	O
a	O
system	O
on	O
the	O
Pfhor	B-Application
ship	O
that	O
allows	O
their	O
absolute	O
control	O
of	O
the	O
S'pht	B-Application
.	O
</s>
<s>
With	O
the	O
help	O
of	O
the	O
officer	O
and	O
the	O
now-allied	O
S'pht	B-Application
,	O
Durandal	O
defeats	O
the	O
alien	O
army	O
on	O
board	O
the	O
Pfhor	B-Application
ship	O
,	O
and	O
casts	O
the	O
Pfhor	B-Application
forces	O
aboard	O
the	O
Marathon	B-Application
into	O
disarray	O
.	O
</s>
<s>
Durandal	O
reanimates	O
Leela	O
to	O
take	O
control	O
of	O
the	O
Marathon	B-Application
,	O
while	O
he	O
transfers	O
himself	O
to	O
the	O
alien	O
ship	O
and	O
goes	O
off	O
to	O
explore	O
the	O
galaxy	O
.	O
</s>
<s>
Leela	O
and	O
the	O
Officer	O
complete	O
the	O
defeat	O
of	O
the	O
Pfhor	B-Application
forces	O
on	O
the	O
Marathon	B-Application
.	O
</s>
<s>
The	O
story	O
begins	O
when	O
the	O
security	O
officer	O
is	O
awakened	O
from	O
stasis	O
and	O
informed	O
that	O
he	O
was	O
abducted	O
moments	O
before	O
Durandal	O
departed	O
from	O
Tau	B-Application
Ceti	I-Application
space	O
.	O
</s>
<s>
Durandal	O
has	O
been	O
searching	O
for	O
the	O
S'pht	B-Application
home	O
world	O
,	O
Lh'owon	B-Application
,	O
ever	O
since	O
first	O
contact	O
with	O
the	O
Pfhor	B-Application
seventeen	O
years	O
prior	O
.	O
</s>
<s>
Durandal	O
,	O
using	O
a	O
combination	O
of	O
orbital	O
bombardment	O
from	O
his	O
Pfhor	B-Application
scout	O
ship	O
and	O
ground	O
assaults	O
led	O
by	O
the	O
Security	O
Officer	O
,	O
quickly	O
overwhelms	O
the	O
Pfhor	B-Application
troop	O
garrison	O
.	O
</s>
<s>
Durandal	O
reveals	O
that	O
thousands	O
of	O
years	O
ago	O
,	O
the	O
S'pht	B-Application
were	O
enslaved	O
by	O
the	O
Pfhor	B-Application
after	O
their	O
failure	O
to	O
prevent	O
a	O
Pfhor	B-Application
invasion	O
.	O
</s>
<s>
Durandal	O
also	O
mentions	O
that	O
the	O
Pfhor	B-Application
used	O
what	O
little	O
they	O
knew	O
of	O
him	O
to	O
resurrect	O
Tycho	O
,	O
the	O
AI	B-Application
that	O
was	O
all	O
but	O
destroyed	O
during	O
the	O
initial	O
attacks	O
on	O
the	O
Marathon	B-Application
by	O
the	O
Pfhor	B-Application
.	O
</s>
<s>
Durandal	O
teleports	O
the	O
security	O
officer	O
to	O
the	O
ancient	O
citadel	O
of	O
antiquity	O
,	O
where	O
the	O
S'pht	B-Application
made	O
their	O
last	O
stand	O
against	O
the	O
Pfhor	B-Application
in	O
the	O
final	O
hours	O
of	O
the	O
invasion	O
.	O
</s>
<s>
It	O
is	O
here	O
,	O
Durandal	O
states	O
,	O
that	O
the	O
Security	O
Officer	O
will	O
find	O
some	O
weapon	O
or	O
piece	O
of	O
knowledge	O
which	O
can	O
be	O
used	O
against	O
the	O
Pfhor	B-Application
,	O
but	O
this	O
must	O
be	O
done	O
with	O
haste	O
,	O
as	O
the	O
largest	O
battle	O
group	O
in	O
the	O
Pfhor	B-Application
fleet	O
is	O
making	O
its	O
way	O
to	O
Lh'owon	B-Application
and	O
Durandal	O
's	O
scout	O
ship	O
,	O
despite	O
his	O
modifications	O
and	O
improvements	O
,	O
will	O
not	O
be	O
able	O
to	O
hold	O
it	O
off	O
.	O
</s>
<s>
While	O
the	O
security	O
officer	O
makes	O
his	O
way	O
far	O
into	O
the	O
citadel	O
,	O
Battle	O
Group	O
Seven	O
of	O
the	O
Pfhor	B-Application
fleet	O
arrives	O
and	O
engages	O
Durandal	O
's	O
ship	O
.	O
</s>
<s>
The	O
security	O
officer	O
is	O
abruptly	O
teleported	O
to	O
help	O
hold	O
back	O
boarding	O
parties	O
while	O
Durandal	O
teleports	O
all	O
remaining	O
Human	O
and	O
S'pht	B-Application
crew	O
to	O
a	O
stronghold	O
on	O
the	O
planet	O
's	O
surface	O
.	O
</s>
<s>
Durandal	O
,	O
not	O
wanting	O
to	O
"	O
end	O
up	O
like	O
Leela	O
"	O
,	O
has	O
the	O
security	O
officer	O
destroy	O
his	O
core	O
logic	O
centers	O
to	O
avoid	O
capture	O
by	O
the	O
Pfhor	B-Application
.	O
</s>
<s>
Once	O
the	O
security	O
officer	O
destroys	O
Durandal	O
,	O
nothing	O
is	O
left	O
to	O
keep	O
him	O
from	O
being	O
teleported	O
by	O
the	O
Pfhor	B-Application
and	O
he	O
is	O
captured	O
by	O
Tycho	O
.	O
</s>
<s>
Tycho	O
brags	O
of	O
the	O
brutal	O
aftermath	O
of	O
the	O
Tau	B-Application
Ceti	I-Application
invasion	O
,	O
in	O
which	O
all	O
colonists	O
and	O
crew	O
of	O
the	O
Marathon	B-Application
were	O
vaporized	O
by	O
a	O
Pfhor	B-Application
fleet	O
shortly	O
after	O
Durandal	O
left	O
.	O
</s>
<s>
Tycho	O
also	O
confirms	O
that	O
Durandal	O
was	O
the	O
one	O
who	O
contacted	O
the	O
Pfhor	B-Application
and	O
brought	O
them	O
to	O
Tau	B-Application
Ceti	I-Application
seventeen	O
years	O
prior	O
.	O
</s>
<s>
Durandal	O
does	O
not	O
really	O
care	O
about	O
the	O
freedom	O
of	O
the	O
S'pht	B-Application
,	O
or	O
protecting	O
humanity	O
.	O
</s>
<s>
Durandal	O
had	O
learned	O
that	O
the	O
S'pht	B-Application
were	O
worshipers	O
of	O
the	O
Jjaro	B-Application
,	O
an	O
ancient	O
and	O
powerful	O
race	O
of	O
beings	O
that	O
vanished	O
long	O
ago	O
who	O
possessed	O
the	O
ability	O
to	O
bend	O
space	O
.	O
</s>
<s>
The	O
security	O
officer	O
has	O
been	O
in	O
Pfhor	B-Application
captivity	O
,	O
but	O
a	O
group	O
of	O
the	O
remaining	O
humans	O
launch	O
a	O
surprise	O
attack	O
on	O
the	O
prison	O
and	O
free	O
the	O
security	O
officer	O
.	O
</s>
<s>
Blake	O
informs	O
the	O
player	O
that	O
Durandal	O
was	O
looking	O
for	O
an	O
ancient	O
S'pht	B-Application
AI	B-Application
known	O
as	O
Thoth	O
and	O
sends	O
him	O
to	O
reactivate	O
it	O
.	O
</s>
<s>
As	O
the	O
security	O
officer	O
does	O
this	O
,	O
Blake	O
and	O
the	O
remaining	O
humans	O
continue	O
to	O
lose	O
their	O
struggle	O
against	O
the	O
Pfhor	B-Application
.	O
</s>
<s>
Thoth	O
teleports	O
the	O
security	O
officer	O
to	O
the	O
ex-colonists	O
'	O
redoubt	O
and	O
subsequently	O
aids	O
the	O
security	O
officer	O
in	O
clearing	O
a	O
Pfhor	B-Application
ship	O
to	O
allow	O
the	O
remaining	O
humans	O
to	O
return	O
to	O
Earth	O
.	O
</s>
<s>
With	O
this	O
done	O
,	O
Thoth	O
and	O
the	O
security	O
officer	O
activate	O
an	O
ancient	O
communication	O
array	O
that	O
contacts	O
the	O
S'pht'Kr	O
,	O
a	O
clan	O
of	O
S'pht	B-Application
that	O
left	O
Lh'owon	B-Application
shortly	O
before	O
the	O
arrival	O
of	O
the	O
Pfhor	B-Application
.	O
</s>
<s>
Over	O
thousands	O
of	O
years	O
,	O
the	O
S'pht'Kr	O
had	O
developed	O
in	O
isolation	O
to	O
an	O
unprecedented	O
level	O
of	O
technology	O
.	O
</s>
<s>
Enraged	O
by	O
the	O
Pfhor	B-Application
enslavement	O
of	O
the	O
S'pht	B-Application
,	O
the	O
S'pht'Kr	O
obliterate	O
Battle	O
Group	O
Seven	O
.	O
</s>
<s>
Durandal	O
faked	O
his	O
death	O
for	O
the	O
benefit	O
of	O
the	O
balance-obsessed	O
Thoth	O
,	O
who	O
would	O
not	O
have	O
contacted	O
the	O
S'pht'Kr	O
had	O
the	O
humans	O
not	O
appeared	O
so	O
desperate	O
.	O
</s>
<s>
Durandal	O
,	O
the	O
security	O
officer	O
,	O
and	O
the	O
S'pht'Kr	O
quickly	O
destroy	O
all	O
remaining	O
Pfhor	B-Application
presence	O
on	O
Lh'owon	B-Application
.	O
</s>
<s>
Humiliated	O
by	O
defeat	O
,	O
the	O
Pfhor	B-Application
launch	O
the	O
Trih	O
Xeem	O
—	O
a	O
Jjaro	B-Application
"	O
early	O
nova	O
"	O
device	O
—	O
at	O
owon	O
's	O
sun	O
.	O
</s>
<s>
Durandal	O
informs	O
the	O
player	O
that	O
an	O
impending	O
invasion	O
of	O
Earth	O
has	O
been	O
halted	O
permanently	O
,	O
and	O
the	O
now-free	O
S'pht	B-Application
have	O
gathered	O
all	O
they	O
can	O
from	O
Lh'owon	B-Application
and	O
have	O
left	O
the	O
doomed	O
system	O
.	O
</s>
<s>
Durandal	O
then	O
briefly	O
contemplates	O
the	O
origin	O
of	O
an	O
ancient	O
S'pht	B-Application
legend	O
that	O
describes	O
terrible	O
beings	O
in	O
owon	O
's	O
sun	O
who	O
were	O
trapped	O
by	O
the	O
Jjaro	B-Application
eons	O
ago	O
,	O
foreshadowing	O
the	O
events	O
in	O
Blood	O
Tides	O
of	O
Lh'owon	B-Application
(	O
Marathon	B-Application
Infinitys	O
single	O
player	O
scenario	O
)	O
.	O
</s>
<s>
The	O
epilogue	O
describes	O
several	O
events	O
long	O
after	O
:	O
Robert	O
Blake	O
and	O
his	O
fellow	O
humans	O
are	O
the	O
only	O
ones	O
to	O
survive	O
the	O
Tau	B-Application
Ceti	I-Application
incident	O
,	O
the	O
Pfhor	B-Application
are	O
defeated	O
and	O
their	O
homeworld	O
is	O
subsequently	O
sacked	O
by	O
Humanity	O
and	O
the	O
S'pht'Kr	O
,	O
and	O
Durandal	O
is	O
not	O
seen	O
by	O
humanity	O
for	O
ten	O
thousand	O
years	O
,	O
until	O
he	O
returns	O
in	O
a	O
Jjaro	B-Application
dreadnought	O
,	O
communicating	O
only	O
briefly	O
,	O
"	O
to	O
assure	O
that	O
Earth	O
did	O
not	O
forget	O
him	O
"	O
.	O
</s>
<s>
While	O
the	O
original	O
Marathon	B-Application
featured	O
multiplayer	O
,	O
Marathon	B-Application
2	I-Application
greatly	O
expanded	O
multiplayer	O
functionality	O
by	O
adding	O
several	O
game	O
modes	O
alongside	O
the	O
old	O
deathmatch	O
mode	O
.	O
</s>
<s>
As	O
in	O
Marathon	B-Application
,	O
multiplayer	O
can	O
be	O
played	O
with	O
eight	O
players	O
over	O
a	O
(	O
true	O
or	O
tunneled	B-Protocol
)	O
LAN	B-General_Concept
protocol	O
.	O
</s>
<s>
Marathon	B-Application
2	I-Application
features	O
six	O
distinctive	O
multiplayer	O
game	O
scenarios	O
:	O
</s>
<s>
While	O
Marathon	B-Application
2	I-Application
retains	O
many	O
of	O
the	O
core	O
elements	O
of	O
gameplay	O
of	O
its	O
predecessor	O
,	O
Marathon	B-Application
2	I-Application
has	O
a	O
very	O
different	O
feel	O
,	O
primarily	O
because	O
it	O
uses	O
an	O
expanded	O
engine	O
and	O
the	O
setting	O
of	O
the	O
game	O
is	O
different	O
.	O
</s>
<s>
The	O
game	O
's	O
interface	O
has	O
been	O
changed	O
,	O
with	O
the	O
view	O
of	O
the	O
player	O
being	O
much	O
wider	O
than	O
in	O
Marathon	B-Application
(	O
which	O
was	O
smaller	O
as	O
to	O
improve	O
game	O
performance	O
)	O
and	O
now	O
taking	O
up	O
the	O
lion	O
's	O
share	O
of	O
the	O
screen	O
,	O
displaying	O
the	O
player	O
's	O
health	O
and	O
oxygen	O
bars	O
horizontally	O
at	O
the	O
bottom	O
of	O
the	O
screen	O
rather	O
than	O
on	O
the	O
left	O
vertically	O
above	O
the	O
motion	O
sensor	O
.	O
</s>
<s>
Virtually	O
all	O
of	O
the	O
graphics	O
and	O
sounds	O
have	O
been	O
replaced	O
;	O
instead	O
of	O
background	O
music	O
for	O
audio	O
accompaniment	O
of	O
gameplay	O
,	O
Marathon	B-Application
2	I-Application
employs	O
ambient	O
sounds	O
such	O
as	O
wind	O
or	O
alarms	O
.	O
</s>
<s>
Unlike	O
its	O
prequel	O
which	O
takes	O
place	O
on	O
the	O
UESC	O
Marathon	B-Application
ship	O
,	O
Marathon	B-Application
2	I-Application
takes	O
place	O
primarily	O
in	O
outdoor	O
environments	O
.	O
</s>
<s>
Levels	O
tend	O
to	O
be	O
larger	O
,	O
open	O
,	O
brighter	O
,	O
faster-paced	O
and	O
far	O
more	O
dynamic	O
than	O
those	O
of	O
Marathon	B-Application
.	O
</s>
<s>
Marathon	B-Application
2	I-Application
adds	O
one	O
new	O
weapon	O
,	O
the	O
shotgun	O
.	O
</s>
<s>
For	O
instance	O
,	O
the	O
civilians	O
,	O
completely	O
defenseless	O
in	O
Marathon	B-Application
,	O
now	O
carry	O
pistols	O
they	O
can	O
use	O
to	O
defend	O
themselves	O
(	O
and	O
with	O
which	O
they	O
will	O
shoot	O
the	O
player	O
if	O
attacked	O
)	O
.	O
</s>
<s>
Although	O
the	O
player	O
still	O
primarily	O
replenishes	O
health	O
and	O
oxygen	O
at	O
wall	O
stations	O
,	O
Marathon	B-Application
2	I-Application
features	O
health	O
and	O
oxygen	O
canisters	O
the	O
player	O
can	O
pick	O
up	O
.	O
</s>
<s>
The	O
player	O
moves	O
slower	O
while	O
under	O
media	O
than	O
on	O
the	O
surface	O
,	O
and	O
loses	O
oxygen	O
,	O
and	O
while	O
under	O
lava	O
or	O
Pfhor	B-Application
goo	O
,	O
also	O
loses	O
health	O
.	O
</s>
<s>
As	O
is	O
the	O
case	O
in	O
Marathon	B-Application
,	O
Marathon	B-Application
2	I-Application
uses	O
computer	O
terminals	O
to	O
advance	O
the	O
plot	O
and	O
allow	O
the	O
player	O
to	O
communicate	O
with	O
various	O
artificial	B-Application
intelligences	I-Application
.	O
</s>
<s>
The	O
player	O
communicates	O
with	O
Durandal	O
and	O
Tycho	O
,	O
both	O
of	O
whom	O
were	O
artificial	B-Application
intelligences	I-Application
aboard	O
the	O
UESC	O
Marathon	B-Application
in	O
the	O
original	O
game	O
(	O
Leela	O
is	O
almost	O
entirely	O
absent	O
from	O
Marathon	B-Application
2	I-Application
)	O
.	O
</s>
<s>
Because	O
of	O
the	O
translation	O
equipment	O
installed	O
in	O
the	O
player	O
's	O
character	O
's	O
suit	O
,	O
the	O
player	O
can	O
also	O
access	O
S'pht	B-Application
and	O
Pfhor	B-Application
terminals	O
,	O
which	O
function	O
in	O
the	O
same	O
manner	O
as	O
standard	O
terminals	O
.	O
</s>
<s>
Terminals	O
in	O
Marathon	B-Application
2	I-Application
can	O
change	O
level	O
dynamics	O
by	O
means	O
such	O
as	O
opening	O
or	O
closing	O
doors	O
or	O
altering	O
the	O
tide	O
of	O
liquids	O
,	O
and	O
are	O
capable	O
of	O
teleporting	O
the	O
player	O
not	O
only	O
out	O
of	O
a	O
level	O
but	O
to	O
other	O
locations	O
throughout	O
.	O
</s>
<s>
Unlike	O
Marathon	B-Application
,	O
Marathon	B-Application
2	I-Application
does	O
not	O
pause	O
the	O
game	O
when	O
a	O
player	O
accesses	O
a	O
terminal	O
,	O
leaving	O
the	O
player	O
character	O
open	O
to	O
attack	O
while	O
reading	O
,	O
in	O
which	O
case	O
the	O
character	O
immediately	O
stops	O
reading	O
.	O
</s>
<s>
The	O
game	O
uses	O
an	O
updated	O
version	O
of	O
the	O
original	O
Marathon	B-Application
engine	O
.	O
</s>
<s>
The	O
Marathon	B-Application
2	I-Application
engine	O
offered	O
performance	O
gains	O
on	O
some	O
machines	O
,	O
in	O
addition	O
to	O
support	O
for	O
deeper	O
color	O
depths	O
and	O
higher	O
resolution	O
sound	O
.	O
</s>
<s>
The	O
enhanced	O
engine	O
also	O
allows	O
the	O
loading	O
of	O
maps	O
,	O
physics	O
and	O
graphics	O
from	O
external	O
files	O
,	O
allowing	O
users	O
to	O
create	O
and	O
play	O
their	O
own	O
maps	O
more	O
easily	O
than	O
with	O
Marathon	B-Application
.	O
</s>
<s>
The	O
background	O
music	O
of	O
the	O
previous	O
game	O
is	O
absent	O
,	O
but	O
unlike	O
the	O
mostly	O
silent	O
corridors	O
of	O
Marathon	B-Application
,	O
the	O
levels	O
of	O
Marathon	B-Application
2	I-Application
are	O
filled	O
with	O
a	O
wide	O
variety	O
of	O
ambient	O
sounds	O
.	O
</s>
<s>
Marathon	B-Application
2	I-Application
brought	O
several	O
types	O
of	O
liquid	O
media	O
to	O
the	O
game	O
(	O
i.e.	O
</s>
<s>
Also	O
new	O
to	O
Marathon	B-Application
2	I-Application
were	O
all	O
the	O
multiplayer	O
modes	O
listed	O
above	O
except	O
"	O
Every	O
Man	O
for	O
Himself	O
"	O
and	O
"	O
Team	O
Play	O
"	O
,	O
which	O
were	O
in	O
the	O
first	O
Marathon	B-Application
game	O
.	O
</s>
<s>
Bungie	O
ported	O
Marathon	B-Application
2	I-Application
to	O
Windows	B-Application
95	I-Application
,	O
and	O
to	O
the	O
Apple	B-Device
Pippin	I-Device
bundled	O
with	O
its	O
prequel	O
as	O
Super	B-Application
Marathon	I-Application
.	O
</s>
<s>
A	O
free	O
(	O
with	O
in-app	O
purchases	O
)	O
Aleph	O
One-based	O
port	O
with	O
Bungie	O
's	O
permission	O
,	O
to	O
the	O
iPhone	B-Device
and	O
iPad	B-Device
,	O
was	O
made	O
by	O
Soli	O
Deo	O
Gloria	O
Productions	O
.	O
</s>
<s>
A	O
port	O
of	O
Marathon	B-Application
2	I-Application
to	O
the	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
was	O
announced	O
at	O
the	O
2007	O
E3	O
Conference	O
by	O
Microsoft	O
.	O
</s>
<s>
The	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
version	O
of	O
the	O
game	O
was	O
developed	O
by	O
Freeverse	O
Software	O
,	O
and	O
presents	O
a	O
revised	O
HUD	B-Application
and	O
provides	O
support	O
for	O
both	O
4-player	O
split	O
screen	O
play	O
on	O
the	O
same	O
console	O
and	O
8-player	O
Xbox	B-Application
Live	I-Application
gameplay	O
.	O
</s>
<s>
Since	O
the	O
old	O
Marathon	B-Application
network	O
code	O
could	O
not	O
handle	O
reliable	O
internet	O
play	O
,	O
the	O
ReplicaNet	B-General_Concept
middleware	B-General_Concept
was	O
used	O
which	O
also	O
allowed	O
coop	O
play	O
with	O
up	O
to	O
eight	O
players	O
.	O
</s>
<s>
The	O
game	O
also	O
supports	O
16:9	O
screen	O
resolutions	O
,	O
high-definition	O
output	O
at	O
60	O
frames	O
per	O
second	O
(	O
compared	O
to	O
the	O
original	O
30	O
)	O
as	O
well	O
as	O
upgraded	O
models	O
and	O
graphics	O
,	O
support	O
for	O
8-player	O
co-op	O
mode	O
over	O
Xbox	B-Application
Live	I-Application
,	O
several	O
international	O
versions	O
,	O
and	O
a	O
new	O
game	O
mode	O
called	O
"	O
Survival	O
"	O
where	O
the	O
player	O
is	O
given	O
a	O
large	O
amount	O
of	O
weapons	O
and	O
ammo	O
and	O
must	O
defeat	O
endless	O
waves	O
of	O
enemies	O
,	O
earning	O
points	O
for	O
effectiveness	O
and	O
taking	O
minimal	O
damage	O
,	O
with	O
high	O
scores	O
shared	O
over	O
Xbox	B-Application
Live	I-Application
.	O
</s>
<s>
The	O
only	O
feature	O
from	O
the	O
original	O
game	O
not	O
present	O
is	O
the	O
ability	O
to	O
save	O
films	O
,	O
due	O
to	O
limits	O
on	O
user	O
storage	O
provided	O
by	O
Xbox	B-Application
Live	I-Application
and	O
a	O
bug	O
caused	O
by	O
lag	B-Application
.	O
</s>
<s>
In	O
2008	O
,	O
Freeverse	O
worked	O
on	O
a	O
downloadable	O
expansion	O
for	O
the	O
game	O
,	O
consisting	O
of	O
multiplayer	O
maps	O
converted	O
from	O
Marathon	B-Application
Infinity	I-Application
.	O
</s>
<s>
A	O
new	O
content	O
pack	O
was	O
made	O
;	O
the	O
Jjaro	B-Application
Map	O
Pack	O
for	O
Marathon	B-Application
2	I-Application
:	I-Application
Durandal	I-Application
includes	O
12	O
classic	O
multiplayer	O
levels	O
previously	O
seen	O
in	O
Bungie	O
's	O
Marathon	B-Application
and	O
Marathon	B-Application
Infinity	I-Application
.	O
</s>
<s>
Bungie	O
released	O
the	O
source	O
code	O
of	O
Marathon	B-Application
2	I-Application
in	O
1999	O
shortly	O
before	O
being	O
acquired	O
by	O
Microsoft	O
,	O
which	O
enabled	O
the	O
formation	O
of	O
the	O
Marathon	B-Application
Open	O
Source	O
Project	O
and	O
its	O
enhanced	O
version	O
of	O
the	O
Marathon	B-Application
engine	O
,	O
called	O
Aleph	O
One	O
.	O
</s>
<s>
The	O
trilogy	O
itself	O
was	O
released	O
by	O
Bungie	O
as	O
freeware	O
in	O
2005	O
,	O
and	O
can	O
be	O
downloaded	O
at	O
the	O
link	O
below	O
along	O
with	O
a	O
copy	O
of	O
Aleph	O
One	O
in	O
order	O
to	O
play	O
the	O
game	O
on	O
modern	O
versions	O
of	O
Windows	B-Application
,	O
macOS	B-Application
,	O
Linux	O
,	O
and	O
numerous	O
other	O
platforms	O
.	O
</s>
<s>
As	O
with	O
all	O
Bungie	O
titles	O
before	O
the	O
fully	O
crossplatform	O
Myth	B-Application
:	I-Application
The	I-Application
Fallen	I-Application
Lords	I-Application
,	O
Marathon	B-Application
2	I-Application
achieved	O
lifetime	O
sales	O
below	O
200,000	O
units	O
by	O
2002	O
.	O
</s>
<s>
Bob	O
LeVitus	O
of	O
MacUser	O
called	O
Marathon	B-Application
2	I-Application
"	O
probably	O
the	O
best	O
first-person	O
gore-fest	O
ever	O
"	O
.	O
</s>
<s>
The	O
Marathon	B-Application
2	I-Application
engine	O
was	O
licensed	O
for	O
three	O
commercial	O
games	O
,	O
ZPC	B-Application
,	O
Prime	B-Operating_System
Target	I-Operating_System
,	O
and	O
Damage	B-Application
Incorporated	I-Application
.	O
</s>
