<s>
Killzone	B-Application
:	I-Application
Mercenary	I-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
for	O
the	O
PlayStation	B-Device
Vita	I-Device
,	O
released	O
in	O
September	O
2013	O
.	O
</s>
<s>
Developed	O
by	O
Guerrilla	O
Cambridge	O
,	O
it	O
is	O
the	O
second	O
handheld	O
game	O
in	O
the	O
Killzone	B-Application
series	O
of	O
video	O
games	O
,	O
and	O
fifth	O
overall	O
.	O
</s>
<s>
Taking	O
place	O
throughout	O
key	O
events	O
and	O
locations	O
of	O
the	O
first	O
three	O
installments	O
of	O
the	O
Killzone	B-Application
franchise	O
,	O
Mercenary	B-Application
follows	O
the	O
story	O
of	O
Arran	O
Danner	O
,	O
a	O
mercenary	B-Application
hired	O
by	O
the	O
ISA	O
.	O
</s>
<s>
Mercenary	B-Application
was	O
met	O
with	O
positive	O
critical	O
reception	O
for	O
its	O
quality	O
as	O
a	O
portable-console	O
first	O
person	O
shooter	O
.	O
</s>
<s>
For	O
the	O
first	O
time	O
in	O
a	O
Killzone	B-Application
campaign	O
,	O
players	O
can	O
fight	O
alongside	O
Helghast	B-Application
forces	O
as	O
well	O
as	O
ISA	O
specialists	O
,	O
carrying	O
out	O
missions	O
that	O
regular	O
soldiers	O
cannot	O
.	O
</s>
<s>
As	O
a	O
mercenary	B-Application
,	O
players	O
are	O
free	O
to	O
decide	O
which	O
tactics	O
and	O
load	O
outs	O
they	O
will	O
use	O
to	O
fulfill	O
their	O
contract	O
;	O
employers	O
will	O
reward	O
players	O
with	O
money	O
if	O
successfully	O
completed	O
.	O
</s>
<s>
The	O
game	O
utilizes	O
the	O
PS	B-Device
Vita	I-Device
's	O
touchscreen	O
and	O
rear	O
touch	O
panel	O
.	O
</s>
<s>
Killzone	B-Application
:	I-Application
Mercenary	I-Application
takes	O
place	O
on	O
the	O
planets	O
Vekta	B-Application
and	O
Helghan	B-Application
,	O
locked	O
in	O
an	O
interstellar	O
war	O
.	O
</s>
<s>
The	O
game	O
is	O
set	O
in	O
between	O
Killzone	B-Application
2	I-Application
and	O
Killzone	B-Application
3	I-Application
and	O
revisits	O
many	O
of	O
the	O
key	O
events	O
of	O
Killzone	B-Application
,	O
Killzone	B-Application
:	I-Application
Liberation	I-Application
,	O
and	O
Killzone	B-Application
2	I-Application
from	O
the	O
perspective	O
of	O
Arran	O
Danner	O
,	O
a	O
mercenary	B-Application
hired	O
to	O
execute	O
operations	O
for	O
the	O
ISA	O
.	O
</s>
<s>
The	O
game	O
starts	O
with	O
the	O
Helghast	B-Application
invasion	O
of	O
Vekta	B-Application
.	O
</s>
<s>
Mercenaries	B-Application
Arran	O
Danner	O
and	O
his	O
partner	O
Damian	O
Ivanov	O
are	O
tasked	O
by	O
their	O
boss	O
–	O
Anders	O
Benoit	O
to	O
arrive	O
in	O
the	O
Vektan	O
city	O
of	O
Diortem	O
on	O
a	O
mission	O
to	O
rescue	O
ISA	O
Admiral	O
Alex	O
Grey	O
from	O
Helghast	B-Application
forces	O
using	O
location	O
information	O
gained	O
by	O
the	O
Vektan	O
Ambassador	O
–	O
Sepp	O
Harkin	O
.	O
</s>
<s>
They	O
witness	O
Helghast	B-Application
Colonel	O
Kratek	O
attempting	O
to	O
execute	O
her	O
,	O
but	O
manage	O
to	O
extract	O
her	O
safely	O
.	O
</s>
<s>
The	O
two	O
then	O
make	O
their	O
way	O
to	O
a	O
downed	O
Helghan	B-Application
cruiser	O
which	O
is	O
attempting	O
to	O
escape	O
with	O
stolen	O
ISA	O
weapons	O
technology	O
.	O
</s>
<s>
The	O
cruiser	O
also	O
has	O
the	O
transmission	O
codes	O
for	O
all	O
of	O
the	O
Helghast	B-Application
forces	O
so	O
obtaining	O
the	O
codes	O
is	O
vital	O
to	O
the	O
ISA	O
.	O
</s>
<s>
Two	O
years	O
later	O
the	O
theater	O
of	O
war	O
shifts	O
to	O
Helghan	B-Application
,	O
the	O
Helghast	B-Application
home	O
planet	O
.	O
</s>
<s>
He	O
then	O
attempts	O
to	O
rescue	O
the	O
Vektan	O
Ambassador	O
and	O
his	O
family	O
(	O
as	O
the	O
leaking	O
of	O
Admiral	O
Grey	O
's	O
location	O
has	O
been	O
discovered	O
by	O
the	O
Helghast	B-Application
)	O
from	O
the	O
Vektan	O
Embassy	O
in	O
Pyrrhus	O
City	O
,	O
however	O
the	O
Ambassador	O
and	O
his	O
Helghast	B-Application
wife	O
are	O
killed	O
in	O
the	O
crossfire	O
except	O
for	O
their	O
son	O
,	O
Justus	O
,	O
meanwhile	O
a	O
Helghast	B-Application
scientist	O
and	O
defector	O
named	O
Savic	O
escapes	O
the	O
embassy	O
in	O
the	O
chaos	O
.	O
</s>
<s>
Rather	O
than	O
make	O
their	O
way	O
directly	O
back	O
to	O
ISA	O
Headquarters	O
,	O
Danner	O
is	O
ordered	O
by	O
Benoit	O
to	O
divert	O
and	O
take	O
Justus	O
to	O
a	O
Helghast	B-Application
'	O
smoker	O
tower	O
 '	O
where	O
Savic	O
has	O
escaped	O
to	O
as	O
he	O
wishes	O
to	O
defect	O
and	O
has	O
information	O
which	O
is	O
vital	O
the	O
ISA	O
.	O
</s>
<s>
They	O
need	O
to	O
extract	O
Savic	O
before	O
the	O
Helghast	B-Application
find	O
him	O
,	O
hence	O
the	O
urgency	O
.	O
</s>
<s>
Danner	O
and	O
Justus	O
make	O
their	O
way	O
through	O
the	O
Helghast	B-Application
infested	O
cliff	O
sides	O
where	O
they	O
eventually	O
find	O
Savic	O
in	O
a	O
bar	O
.	O
</s>
<s>
Danner	O
engages	O
the	O
Helghast	B-Application
forces	O
which	O
provides	O
enough	O
of	O
a	O
distraction	O
that	O
Savic	O
and	O
Justus	O
safely	O
make	O
their	O
way	O
to	O
the	O
extraction	O
point	O
where	O
Admiral	O
Grey	O
personally	O
meets	O
them	O
,	O
afterwards	O
Danner	O
's	O
next	O
mission	O
is	O
to	O
a	O
nearby	O
Petrusite	O
reactor	O
complex	O
to	O
cut	O
the	O
power	O
to	O
the	O
remaining	O
air	O
defenses	O
.	O
</s>
<s>
Kratek	O
overhears	O
this	O
and	O
retrieves	O
Danner	O
,	O
revealing	O
Grey	O
was	O
planning	O
to	O
use	O
the	O
virus	O
to	O
finally	O
wipe	O
out	O
the	O
entire	O
Helghast	B-Application
population	O
.	O
</s>
<s>
Kratek	O
has	O
Danner	O
return	O
to	O
the	O
Embassy	O
(	O
which	O
Grey	O
has	O
made	O
her	O
HQ	O
)	O
with	O
a	O
Helghast	B-Application
commando	O
team	O
to	O
obtain	O
the	O
codes	O
to	O
the	O
virus	O
vault	O
from	O
Savic	O
,	O
who	O
was	O
being	O
interrogated	O
for	O
the	O
same	O
codes	O
.	O
</s>
<s>
As	O
the	O
Helghan	B-Application
capital	O
of	O
Pyrrhus	O
is	O
destroyed	O
in	O
a	O
nuclear	O
blast	O
,	O
Danner	O
kills	O
Benoit	O
and	O
several	O
of	O
his	O
mercenaries	B-Application
after	O
a	O
protracted	O
fight	O
.	O
</s>
<s>
At	O
Gamescom	O
2012	O
,	O
it	O
was	O
revealed	O
that	O
the	O
title	O
is	O
Killzone	B-Application
:	I-Application
Mercenary	I-Application
.	O
</s>
<s>
The	O
game	O
utilizes	O
a	O
modified	O
version	O
of	O
the	O
Killzone	B-Application
3	I-Application
rendering	O
engine	O
,	O
allowing	O
volumetric	O
lighting	O
and	O
smoke	O
,	O
high	O
resolution	O
environment	O
textures	O
,	O
gleaming	O
metal	O
,	O
and	O
realistic-looking	O
shadows	O
.	O
</s>
<s>
Unlike	O
previous	O
Killzone	B-Application
installments	O
,	O
Mercenary	B-Application
was	O
not	O
developed	O
by	O
Guerrilla	O
Games	O
,	O
but	O
instead	O
,	O
their	O
sister	O
studio	O
,	O
Guerrilla	O
Cambridge	O
(	O
formerly	O
SCE	O
Cambridge	O
Studio	O
)	O
.	O
</s>
<s>
A	O
senior	O
producer	O
at	O
the	O
studio	O
said	O
the	O
production	O
time	O
was	O
around	O
less	O
than	O
two	O
years	O
after	O
converting	O
Killzone	B-Application
3s	I-Application
engine	O
.	O
</s>
<s>
In	O
comparison	O
to	O
previous	O
installments	O
,	O
Mercenary	B-Application
would	O
offer	O
"	O
the	O
series	O
 '	O
biggest	O
weapon	O
loadout	O
yet	O
"	O
.	O
</s>
<s>
Due	O
to	O
the	O
larger	O
weapon	O
loadout	O
,	O
it	O
accommodates	O
a	O
wider	O
variety	O
of	O
play	O
styles	O
than	O
in	O
past	O
Killzone	B-Application
games	O
.	O
</s>
<s>
The	O
digital	O
copy	O
of	O
the	O
retail	O
release	O
game	O
spans	O
2.7GB	O
,	O
to	O
match	O
with	O
the	O
constraints	O
of	O
the	O
PS	B-Device
Vita	I-Device
game	O
card	O
;	O
on	O
top	O
of	O
this	O
,	O
a	O
post-release	O
day	O
one	O
v1.01	O
patch	O
adds	O
another	O
1.2GB	O
worth	O
of	O
contents	O
to	O
the	O
game	O
,	O
bringing	O
the	O
total	O
game	O
size	O
to	O
4GB	O
at	O
release	O
.	O
</s>
<s>
A	O
patch	O
released	O
in	O
October	O
2014	O
allowed	O
compatibility	O
with	O
the	O
PlayStation	B-Device
TV	I-Device
microconsole	O
.	O
</s>
<s>
Downloadable	B-Protocol
content	I-Protocol
called	O
"	O
Botzone	O
Soldier	O
Training	O
"	O
was	O
released	O
on	O
26	O
April	O
2014	O
.	O
</s>
<s>
Downloadable	B-Protocol
content	I-Protocol
called	O
"	O
LMG	O
"	O
was	O
released	O
on	O
April	O
15	O
2015	O
.	O
</s>
<s>
The	O
soundtrack	O
for	O
Killzone	B-Application
:	I-Application
Mercenary	I-Application
is	O
the	O
first	O
game	O
in	O
the	O
series	O
not	O
to	O
have	O
Joris	O
de	O
Man	O
as	O
composer	O
of	O
the	O
soundtrack	O
,	O
instead	O
leaving	O
Walter	O
Christian	O
Mair	O
as	O
composer	O
.	O
</s>
<s>
Killzone	B-Application
:	I-Application
Mercenary	I-Application
received	O
"	O
generally	O
positive	O
reviews	O
"	O
,	O
according	O
to	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
It	O
managed	O
to	O
highly	O
exceed	O
the	O
first	O
two	O
PS	B-Device
Vita	I-Device
first	O
person	O
shooters	O
,	O
Call	O
of	O
Duty	O
:	O
Black	O
Ops	O
:	O
Declassified	O
and	O
Resistance	O
:	O
Burning	O
Skies	O
,	O
which	O
both	O
received	O
fairly	O
negative	O
reviews	O
.	O
</s>
<s>
It	O
received	O
the	O
1st	O
Place	O
2013	O
PlayStation	B-Device
Vita	I-Device
Game	O
of	O
the	O
Year	O
Award	O
.	O
</s>
