<s>
Killzone	B-Application
is	O
a	O
first-person	O
shooter	O
,	O
developed	O
by	O
Guerrilla	O
Games	O
and	O
released	O
on	O
2	O
November	O
2004	O
in	O
North	O
America	O
and	O
26	O
November	O
2004	O
in	O
Europe	O
.	O
</s>
<s>
The	O
game	O
was	O
remastered	B-Device
in	I-Device
HD	I-Device
by	O
Supermassive	O
Games	O
and	O
re-released	O
within	O
the	O
Killzone	B-Application
Trilogy	O
for	O
PlayStation	B-Operating_System
3	I-Operating_System
as	O
well	O
as	O
a	O
standalone	O
PSN	O
title	O
in	O
2012	O
.	O
</s>
<s>
Killzone	B-Application
takes	O
place	O
in	O
the	O
middle	O
of	O
the	O
24th	O
century	O
and	O
chronicles	O
the	O
war	O
between	O
two	O
human	O
factions	O
;	O
the	O
Vektans	O
,	O
and	O
the	O
Helghast	B-Application
.	O
</s>
<s>
The	O
game	O
is	O
played	O
from	O
a	O
first-person	O
view	O
and	O
follows	O
Jan	O
Templar	O
,	O
a	O
high-ranking	O
officer	O
within	O
the	O
Interplanetary	O
Strategic	O
Alliance	O
,	O
as	O
he	O
battles	O
invading	O
Helghast	B-Application
forces	O
on	O
his	O
homeworld	O
of	O
Vekta	B-Application
.	O
</s>
<s>
Prior	O
to	O
its	O
release	O
Killzone	B-Application
was	O
heavily	O
anticipated	O
with	O
several	O
publications	O
considering	O
it	O
to	O
be	O
Sony	O
's	O
"	O
Halo	O
killer	O
"	O
title	O
.	O
</s>
<s>
Upon	O
release	O
,	O
however	O
,	O
the	O
game	O
was	O
met	O
with	O
mixed	O
responses	O
,	O
with	O
critics	O
praising	O
the	O
visuals	O
,	O
sound	O
,	O
and	O
music	O
,	O
but	O
criticizing	O
the	O
gameplay	O
,	O
AI	B-Application
,	O
and	O
technical	O
issues	O
.	O
</s>
<s>
Despite	O
mixed	O
reactions	O
,	O
Killzone	B-Application
spawned	O
numerous	O
sequels	O
,	O
beginning	O
with	O
a	O
direct	O
sequel	O
,	O
Killzone	B-Application
2	I-Application
.	O
</s>
<s>
Killzone	B-Application
takes	O
place	O
in	O
a	O
fictional	O
world	O
set	O
in	O
the	O
year	O
2357	O
.	O
</s>
<s>
Partnering	O
with	O
private	O
firms	O
,	O
the	O
UCN	O
moved	O
to	O
establish	O
human	O
colonies	O
in	O
Alpha	B-Application
Centauri	I-Application
,	O
a	O
system	O
occupied	O
by	O
two	O
planets	O
:	O
Vekta	B-Application
,	O
a	O
rich	O
Earth-like	O
world	O
(	O
named	O
after	O
the	O
CEO	O
of	O
the	O
mining	O
conglomerate	O
Helghan	B-Application
,	O
Philip	O
Vekta	B-Application
)	O
,	O
and	O
Helghan	B-Application
,	O
a	O
barren	O
wasteland	O
named	O
after	O
the	O
same	O
company	O
.	O
</s>
<s>
The	O
Helghan	B-Application
Corporation	O
sought	O
to	O
buy	O
ownership	O
of	O
Vekta	B-Application
as	O
well	O
,	O
but	O
when	O
the	O
UCN	O
imposed	O
sanctions	O
against	O
its	O
unfair	O
business	O
practices	O
,	O
a	O
war	O
broke	O
out	O
(	O
known	O
as	O
the	O
First	O
Extrasolar	O
War	O
)	O
,	O
which	O
led	O
to	O
the	O
ISA	O
,	O
the	O
military	O
arm	O
of	O
the	O
UCN	O
,	O
driving	O
the	O
company	O
out	O
of	O
Vekta	B-Application
.	O
</s>
<s>
In	O
response	O
,	O
the	O
exiled	O
colonists	O
established	O
their	O
own	O
civilization	O
on	O
Helghan	B-Application
,	O
built	O
on	O
the	O
principles	O
of	O
militarism	O
and	O
authoritarianism	O
.	O
</s>
<s>
The	O
harsh	O
environment	O
and	O
atmosphere	O
killed	O
many	O
Helghans	B-Application
,	O
forcing	O
the	O
survivors	O
to	O
use	O
respirators	O
and	O
air	O
tanks	O
just	O
to	O
breathe	O
.	O
</s>
<s>
Eventually	O
,	O
the	O
population	O
,	O
now	O
known	O
as	O
the	O
Helghast	B-Application
,	O
mutated	O
into	O
pale-skinned	O
hairless	O
humanoids	O
with	O
increased	O
strength	O
,	O
stamina	O
,	O
and	O
intelligence	O
.	O
</s>
<s>
Violently	O
xenophobic	O
and	O
convinced	O
of	O
their	O
superiority	O
,	O
the	O
Helghan	B-Application
consider	O
humans	O
to	O
be	O
beneath	O
them	O
,	O
and	O
dream	O
of	O
one	O
day	O
reconquering	O
Vekta	B-Application
and	O
expanding	O
their	O
empire	O
to	O
Earth	O
and	O
the	O
neighboring	O
star	O
systems	O
.	O
</s>
<s>
Scolar	O
Visari	O
,	O
emperor	O
of	O
Helghan	B-Application
,	O
sends	O
the	O
Helghast	B-Application
Third	O
Army	O
to	O
launch	O
a	O
secret	O
invasion	O
of	O
Vekta	B-Application
.	O
</s>
<s>
With	O
the	O
element	O
of	O
surprise	O
on	O
their	O
side	O
,	O
the	O
Helghast	B-Application
quickly	O
overwhelm	O
the	O
unprepared	O
ISA	O
ground	O
forces	O
and	O
capture	O
several	O
strategic	O
locations	O
,	O
including	O
ISA	O
Central	O
Command	O
.	O
</s>
<s>
While	O
taking	O
part	O
in	O
an	O
offensive	O
to	O
slow	O
the	O
Helghast	B-Application
assault	O
,	O
Captain	O
Jan	O
Templar	O
,	O
a	O
veteran	O
ISA	O
officer	O
,	O
is	O
summoned	O
to	O
a	O
meeting	O
by	O
his	O
mentor	O
and	O
close	O
friend	O
,	O
General	O
Bradley	O
Vaughton	O
.	O
</s>
<s>
He	O
also	O
reveals	O
that	O
Colonel	O
Gregor	O
Hakha	O
,	O
a	O
half-Helghan	O
intelligence	O
officer	O
,	O
had	O
,	O
on	O
his	O
orders	O
,	O
infiltrated	O
the	O
inner	O
circle	O
of	O
Third	O
Army	O
commander	O
General	O
Joseph	O
Lente	O
,	O
only	O
to	O
vanish	O
while	O
traveling	O
to	O
an	O
extraction	O
point	O
in	O
Vekta	B-Application
's	O
slums	O
.	O
</s>
<s>
After	O
fighting	O
his	O
way	O
through	O
the	O
Helghast	B-Application
occupying	O
the	O
exterior	O
of	O
Central	O
Command	O
,	O
Jan	O
runs	O
into	O
Luger	O
,	O
a	O
former	O
comrade	O
who	O
is	O
now	O
working	O
with	O
an	O
elite	O
ISA	O
division	O
known	O
as	O
the	O
Shadow	O
Marshals	O
.	O
</s>
<s>
He	O
murders	O
Vaughton	O
and	O
takes	O
control	O
of	O
the	O
system	O
,	O
planning	O
to	O
use	O
it	O
to	O
destroy	O
the	O
relief	O
fleet	O
headed	O
to	O
Vekta	B-Application
.	O
</s>
<s>
Under	O
Jan	O
's	O
leadership	O
,	O
the	O
team	O
destroys	O
several	O
Helghast	B-Application
bases	O
and	O
infrastructure	O
projects	O
,	O
eventually	O
intercepting	O
and	O
killing	O
Lente	O
when	O
he	O
tries	O
to	O
deal	O
with	O
them	O
personally	O
.	O
</s>
<s>
Adams	O
retreats	O
to	O
the	O
SD	O
control	O
center	O
and	O
tries	O
to	O
reason	O
with	O
the	O
group	O
,	O
explaining	O
that	O
the	O
Helghast	B-Application
will	O
stop	O
at	O
nothing	O
to	O
reclaim	O
Vekta	B-Application
,	O
regardless	O
of	O
how	O
many	O
lives	O
they	O
lose	O
.	O
</s>
<s>
Killzone	B-Application
received	O
"	O
mixed	O
or	O
average	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
Reviewers	O
cited	O
technical	O
problems	O
with	O
Killzone	B-Application
,	O
including	O
inconsistent	O
AI	B-Application
,	O
occasional	O
bugs	O
,	O
frame-rate	O
issues	O
,	O
distracting	O
graphical	O
glitches	O
,	O
repetition	O
of	O
the	O
same	O
voices	O
,	O
short	O
draw	O
distance	O
,	O
and	O
an	O
awkward	O
control	O
system	O
.	O
</s>
<s>
Reviewers	O
such	O
as	O
GameSpy	O
claimed	O
that	O
Killzone	B-Application
partly	O
suffered	O
due	O
to	O
the	O
incredible	O
publicity	O
it	O
received	O
before	O
release	O
,	O
raising	O
expectations	O
only	O
for	O
them	O
to	O
go	O
unfulfilled	O
.	O
</s>
<s>
Despite	O
this	O
,	O
Killzone	B-Application
was	O
admired	O
for	O
its	O
sound	O
effects	O
,	O
its	O
soundtrack	O
,	O
and	O
its	O
presentation	O
of	O
a	O
gritty	O
war	O
zone	O
;	O
it	O
was	O
also	O
credited	O
for	O
its	O
unique	O
hard	O
sci-fi	O
art	O
design	O
.	O
</s>
