<s>
DogFighter	B-Application
is	O
an	O
action	B-Application
aerial	O
combat	O
video	O
game	O
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Developed	O
by	O
independent	O
video	O
game	O
developer	O
Dark	O
Water	O
Studios	O
based	O
in	O
Derry	O
,	O
Northern	O
Ireland	O
,	O
DogFighter	B-Application
is	O
digitally	O
distributed	O
through	O
Valve	O
's	O
Steam	B-Application
game	O
client	O
for	O
Windows	O
.	O
</s>
<s>
DogFighter	B-Application
is	O
the	O
first	O
commercial	O
video	O
game	O
title	O
to	O
use	O
the	O
Instinct	O
Engine	O
.	O
</s>
<s>
DogFighter	B-Application
consists	O
of	O
single-player	O
levels	O
as	O
well	O
as	O
multiplayer	O
maps	O
where	O
players	O
congregate	O
online	O
to	O
play	O
against	O
one	O
another	O
.	O
</s>
<s>
DogFighter	B-Application
features	O
different	O
aircraft	O
varying	O
in	O
speed	O
,	O
agility	O
and	O
defense	O
capabilities	O
.	O
</s>
<s>
A	O
teaser	O
trailer	O
,	O
released	O
via	O
YouTube	B-General_Concept
on	O
February	O
4	O
,	O
2010	O
showcased	O
a	O
variety	O
of	O
craft	O
and	O
environments	O
.	O
</s>
<s>
DogFighter	B-Application
uses	O
Instinct	O
Studio	O
2.0	O
,	O
a	O
cross-platform	O
middleware	B-General_Concept
solution	O
created	O
by	O
Instinct	O
Technology	O
.	O
</s>
<s>
The	O
game	O
also	O
uses	O
nVidia	B-Operating_System
PhysX	I-Operating_System
,	O
Scaleform	O
and	O
Fmod	B-Application
.	O
</s>
<s>
Key	O
technological	O
features	O
used	O
in	O
DogFighter	B-Application
include	O
deferred	O
rendering	O
and	O
seamless	O
landscape/outdoor	O
to	O
indoor	O
environment	O
technologies	O
.	O
</s>
<s>
DogFighter	B-Application
was	O
well	O
received	O
.	O
</s>
<s>
PC	O
game	O
review	O
site	O
GameRamble.com	O
awarded	O
DogFighter	B-Application
a	O
score	O
of	O
9.0	O
/	O
10.0	O
,	O
praising	O
it	O
for	O
having	O
"	O
All	O
the	O
fun	O
and	O
maddness	O
of	O
a	O
first	O
person	O
shooter	O
but	O
with	O
added	O
dimensions	O
"	O
as	O
well	O
as	O
having	O
stylist	O
and	O
detailed	O
graphics	O
.	O
</s>
<s>
Christopher	O
Holt	O
,	O
Editor	O
at	O
GamePro	O
awarded	O
DogFighter	B-Application
four	O
out	O
of	O
five	O
stars	O
,	O
stating	O
it	O
was	O
"	O
Fun	O
,	O
frenetic	O
multiplayer	O
combat	O
;	O
great	O
aircraft	O
roster	O
and	O
interesting	O
arsenal	O
fc	O
;	O
cool	O
maps.	O
"	O
</s>
<s>
Gamer	O
's	O
guide	O
website	O
Kotaku	O
praised	O
DogFighter	B-Application
as	O
being	O
"	O
Team	O
Fortress	O
2	O
with	O
an	O
Air	O
Supremacy	O
Mode	O
"	O
as	O
well	O
as	O
commenting	O
positively	O
on	O
the	O
games	O
highly-responsive	O
control	O
system	O
,	O
graphics	O
and	O
simple	O
premise	O
.	O
</s>
<s>
Video	O
game	O
news	O
website	O
GamingBolt.com	O
commented	O
positively	O
on	O
DogFighter'''s	O
overall	O
visual	O
aesthetic	O
and	O
extremely	O
detailed	O
plane	O
models	O
as	O
well	O
as	O
its	O
unique	O
power-ups	O
such	O
as	O
realguns	O
and	O
heat-seeking	O
rockets.DogFighter	O
was	O
named	O
sixth	O
in	O
the	O
top	O
ten	O
games	O
,	O
by	O
unit	O
sales	O
,	O
for	O
October	O
2010	O
on	O
digital	O
distribution	O
platform	O
Steam	B-Application
for	O
selling	O
67,000	O
copies	O
.	O
</s>
<s>
German	O
technology	O
and	O
games	O
website	O
Zockon	O
gave	O
the	O
German	O
retail	O
release	O
of	O
DogFighter	B-Application
7.0/10.0	O
,	O
citing	O
amongst	O
its	O
strengths	O
a	O
good	O
mix	O
of	O
action	B-Application
and	O
simulation	O
controls	O
,	O
nicely	O
built	O
3D	O
models	O
,	O
strong	O
mix	O
of	O
game	O
modes	O
and	O
uncomplicated	O
online	O
multiplayer	O
.	O
</s>
<s>
British	O
game	O
reviewer	O
and	O
e-sports	O
commentator	O
TotalBiscuit	O
had	O
high	O
praise	O
for	O
DogFighter	B-Application
but	O
cited	O
invisible	O
planes	O
as	O
one	O
of	O
its	O
downfalls	O
.	O
</s>
<s>
In	O
March	O
2011	O
,	O
Berlin-based	O
games	O
publisher	O
Just	O
A	O
Game	O
released	O
a	O
boxed	O
retail	O
version	O
of	O
DogFighter.Just	O
A	O
Game	O
website	O
,	O
publisher	O
of	O
German	O
retail	O
version	O
of	O
DogFighter	B-Application
This	O
version	O
included	O
an	O
exclusive	O
craft	O
,	O
"	O
The	O
Badger	O
"	O
,	O
and	O
full	O
localisation	O
support	O
for	O
German-speaking	O
countries	O
.	O
</s>
<s>
In	O
April	O
2011	O
,	O
Moscow-based	O
games	O
publisher	O
Logrus	O
released	O
a	O
boxed	O
retail	O
version	O
of	O
DogFighter''	O
.	O
</s>
