<s>
Oil	B-Device
Rush	I-Device
is	O
a	O
tower	B-Application
defense	I-Application
real-time	O
strategy	O
game	O
developed	O
by	O
UNIGINE	B-Application
Holding	O
S.à	O
r.l.	O
</s>
<s>
using	O
their	O
Unigine	B-Application
engine	O
technology	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
as	O
a	O
digital	O
download	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Linux	B-Application
,	O
and	O
OS	B-Operating_System
X	I-Operating_System
.	O
</s>
<s>
This	O
theme	O
has	O
been	O
viewed	O
as	O
controversial	O
by	O
some	O
,	O
especially	O
as	O
Oil	B-Device
Rush	I-Device
was	O
originally	O
intended	O
to	O
be	O
released	O
only	O
a	O
little	O
more	O
than	O
a	O
year	O
after	O
the	O
much	O
publicized	O
Deepwater	O
Horizon	O
oil	O
spill	O
.	O
</s>
<s>
The	O
game	O
itself	O
actually	O
delivers	O
an	O
environmental	O
warning	O
message	O
,	O
with	O
Unigine	B-Application
's	O
CEO	O
Denis	O
Shergin	O
commenting	O
that	O
"	O
Fuel	O
devouring	O
armies	O
that	O
fight	O
over	O
the	O
last	O
drops	O
of	O
oil	O
and	O
pollute	O
already	O
trashed	O
world	O
is	O
nothing	O
but	O
doublethink	O
.	O
</s>
<s>
In	O
Oil	B-Device
Rush	I-Device
,	O
the	O
player	O
is	O
shown	O
the	O
viewpoint	O
and	O
story	O
of	O
Kevin	O
,	O
a	O
recent	O
graduate	O
and	O
serviceman	O
,	O
following	O
in	O
his	O
father	O
's	O
footsteps	O
who	O
has	O
recently	O
died	O
.	O
</s>
<s>
The	O
game	O
combines	O
classic	O
elements	O
of	O
strategy	O
and	O
tower	B-Application
defense	I-Application
as	O
players	O
must	O
defend	O
and	O
attack	O
oil	O
rigs	O
through	O
the	O
use	O
of	O
armed	O
platforms	O
against	O
hordes	O
of	O
enemy	O
watercraft	O
and	O
other	O
attack	O
units	O
.	O
</s>
<s>
Unigine	B-Application
worked	O
on	O
development	O
throughout	O
2011	O
,	O
providing	O
incremental	O
updates	O
to	O
the	O
beta	O
builds	O
for	O
those	O
who	O
pre-ordered	O
the	O
game	O
.	O
</s>
<s>
Over	O
time	O
,	O
noteworthy	O
fixes	O
and	O
updates	O
came	O
through	O
in	O
the	O
form	O
of	O
improved	O
gamma	O
control	O
on	O
Windows	O
and	O
Linux	B-Application
platforms	O
,	O
fixing	O
anti-aliasing	O
issues	O
,	O
debugging	O
,	O
performance	O
optimizations	O
,	O
usability	O
fixes	O
,	O
subtitles	O
,	O
voice-overs	O
,	O
and	O
3D	B-Algorithm
capability	I-Algorithm
for	O
users	O
with	O
certain	O
high-end	O
graphics	O
cards	O
,	O
amongst	O
much	O
more	O
.	O
</s>
<s>
In	O
the	O
last	O
update	O
before	O
release	O
,	O
version	O
0.98	O
,	O
Unigine	B-Application
's	O
changelog	O
noted	O
that	O
it	O
had	O
included	O
splashes	O
during	O
the	O
introduction	O
of	O
its	O
partners	O
,	O
including	O
NVIDIA	O
and	O
RakNet	O
.	O
</s>
<s>
Though	O
originally	O
uninterested	O
in	O
an	O
OS	B-Operating_System
X	I-Operating_System
release	O
of	O
the	O
game	O
,	O
Unigine	B-Application
later	O
announced	O
that	O
they	O
intended	O
to	O
launch	O
a	O
native	O
OS	B-Operating_System
X	I-Operating_System
version	O
of	O
the	O
game	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
internationally	O
on	O
January	O
25	O
,	O
2012	O
through	O
digital	O
portals	O
including	O
Desura	B-Language
,	O
Ubuntu	B-Language
Software	I-Language
Center	I-Language
,	O
and	O
finally	O
launching	O
on	O
Steam	O
later	O
the	O
same	O
day	O
.	O
</s>
<s>
Independent	O
European	O
publisher	O
Iceberg	O
Interactive	O
signed	O
with	O
Unigine	B-Application
to	O
secure	O
retail	O
distribution	O
of	O
Oil	B-Device
Rush	I-Device
in	O
the	O
United	O
Kingdom	O
,	O
Germany	O
,	O
France	O
,	O
Scandinavia	O
,	O
Australia	O
,	O
New	O
Zealand	O
,	O
and	O
South	O
Africa	O
,	O
set	O
to	O
be	O
released	O
on	O
February	O
24	O
,	O
2012	O
throughout	O
Europe	O
,	O
with	O
a	O
fully	O
localized	O
version	O
for	O
the	O
German	O
market	O
to	O
follow	O
on	O
March	O
23	O
,	O
2012	O
.	O
</s>
<s>
Android	B-Application
version	O
was	O
released	O
on	O
March	O
18	O
,	O
2013	O
.	O
iOS	B-Application
version	O
was	O
released	O
on	O
October	O
24	O
,	O
2013	O
.	O
</s>
<s>
Since	O
its	O
announcement	O
,	O
the	O
game	O
has	O
garnered	O
much	O
attention	O
from	O
Linux-oriented	O
tech	O
sites	O
and	O
blogs	O
,	O
the	O
most	O
notable	O
of	O
which	O
would	O
be	O
Phoronix	O
and	O
received	O
much	O
praise	O
for	O
its	O
graphics	O
and	O
gameplay	O
even	O
during	O
its	O
beta	O
testing	O
stages	O
.	O
</s>
<s>
Phoronix	O
featured	O
many	O
articles	O
about	O
it	O
for	O
over	O
a	O
year	O
and	O
a	O
half	O
,	O
before	O
releasing	O
their	O
release	O
date	O
announcement	O
and	O
unofficial	O
review	O
of	O
the	O
game	O
,	O
going	O
on	O
to	O
say	O
,	O
"	O
Even	O
if	O
you	O
're	O
not	O
the	O
biggest	O
Linux	B-Application
gamer	O
or	O
a	O
real-time	O
strategy	O
fan	O
,	O
I	O
still	O
would	O
recommend	O
picking	O
up	O
this	O
$20	O
USD	O
Linux-native	O
title	O
on	O
the	O
basis	O
of	O
supporting	O
Unigine	B-Application
Corp	O
as	O
one	O
of	O
the	O
leading	O
Linux-friendly	O
commercial	O
game	O
studios	O
"	O
.	O
</s>
<s>
He	O
noted	O
,	O
"	O
What	O
could	O
have	O
been	O
a	O
messy	O
title	O
merely	O
created	O
to	O
showcase	O
the	O
Unigine	B-Application
Engine	O
has	O
turned	O
out	O
to	O
be	O
a	O
surprisingly	O
polished	O
and	O
deep	O
strategy	O
game	O
.	O
</s>
<s>
Oil	B-Device
Rush	I-Device
is	O
n't	O
just	O
a	O
joy	O
to	O
behold	O
in	O
action	O
,	O
but	O
manages	O
to	O
make	O
an	O
old	O
genre	O
feel	O
fresh	O
while	O
looking	O
the	O
part.	O
"	O
</s>
<s>
User	O
reviews	O
of	O
the	O
game	O
on	O
the	O
digital	O
content	O
distribution	O
platform	O
Desura	B-Language
have	O
also	O
been	O
positive	O
,	O
receiving	O
an	O
average	O
rating	O
of	O
9.5	O
out	O
of	O
10	O
,	O
73%	O
of	O
reviewers	O
having	O
given	O
the	O
game	O
a	O
10/10	O
score	O
.	O
</s>
<s>
Reviews	O
ranged	O
from	O
praising	O
the	O
graphics	O
,	O
the	O
performance	O
of	O
the	O
game	O
,	O
particularly	O
on	O
Linux	B-Application
systems	O
,	O
and	O
the	O
mix	O
of	O
the	O
game	O
's	O
strategy	O
and	O
tower	B-Application
defense	I-Application
gameplay	O
.	O
</s>
<s>
On	O
the	O
Ubuntu	B-Language
Software	I-Language
Center	I-Language
,	O
the	O
game	O
currently	O
has	O
4	O
out	O
of	O
5	O
stars	O
,	O
based	O
on	O
42	O
user	O
reviews	O
.	O
</s>
