<s>
Steel	B-Application
Storm	I-Application
is	O
an	O
independent	O
video	O
game	O
series	O
developed	O
by	O
Kot-in-Action	O
Creative	O
Artel	O
using	O
the	O
free	B-Application
software	I-Application
DarkPlaces	O
engine	O
that	O
were	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
Linux	B-Application
platforms	O
.	O
</s>
<s>
The	O
games	O
are	O
divided	O
into	O
two	O
episodes	O
,	O
with	O
Episode	O
One	O
being	O
available	O
at	O
no	O
charge	O
and	O
Episode	O
Two	O
(	O
titled	O
as	O
Steel	B-Application
Storm	I-Application
:	I-Application
Burning	I-Application
Retribution	I-Application
)	O
being	O
a	O
commercial	O
product	O
.	O
</s>
<s>
Both	O
episodes	O
of	O
Steel	B-Application
Storm	I-Application
include	O
complete	O
single-player	O
campaigns	O
where	O
the	O
player	O
must	O
fight	O
enemies	O
,	O
collect	O
power-ups	O
,	O
and	O
complete	O
specified	O
mission	O
objectives	O
.	O
</s>
<s>
Steel	B-Application
Storm	I-Application
also	O
allows	O
for	O
online	O
and	O
LAN	O
multiplayer	O
,	O
supporting	O
modes	O
for	O
both	O
deathmatch	O
and	O
cooperative	O
play	O
(	O
capture	O
the	O
flag	O
is	O
also	O
available	O
in	O
episode	O
two	O
)	O
,	O
with	O
the	O
game	O
supporting	O
up	O
to	O
sixteen	O
players	O
for	O
each	O
mode	O
.	O
</s>
<s>
Steel	B-Application
Storm	I-Application
has	O
been	O
under	O
development	O
since	O
2008	O
,	O
with	O
the	O
first	O
episode	O
being	O
released	O
as	O
a	O
beta	O
in	O
September	O
2010	O
.	O
</s>
<s>
Steel	B-Application
Storm	I-Application
:	I-Application
Burning	I-Application
Retribution	I-Application
was	O
released	O
on	O
May	O
11	O
,	O
2011	O
and	O
is	O
being	O
sold	O
through	O
the	O
Steam	B-Application
,	O
Desura	B-Language
,	O
and	O
Ubuntu	B-Language
Software	I-Language
Center	I-Language
services	O
as	O
well	O
as	O
the	O
developers	O
website	O
.	O
</s>
<s>
Steel	B-Application
Storm	I-Application
has	O
had	O
a	O
mixed	O
response	O
.	O
</s>
<s>
Ubuntu	O
!,	O
in	O
its	O
review	O
of	O
Steel	B-Application
Storm	I-Application
:	I-Application
Burning	I-Application
Retribution	I-Application
,	O
praised	O
the	O
game	O
,	O
calling	O
it	O
"	O
a	O
lovely	O
game	O
with	O
enough	O
features	O
and	O
options	O
to	O
keep	O
you	O
occupied	O
for	O
a	O
fair	O
amount	O
of	O
time.	O
"	O
</s>
<s>
There	O
are	O
over	O
295,000	O
downloaded	O
copies	O
of	O
Steel	B-Application
Storm	I-Application
,	O
with	O
7%	O
to	O
10%	O
of	O
those	O
users	O
being	O
active	O
players	O
.	O
</s>
<s>
The	O
community	O
reviews	O
on	O
Steam	B-Application
give	O
the	O
game	O
a	O
"	O
Mixed	O
Response	O
"	O
of	O
68%	O
.	O
</s>
<s>
In	O
2011	O
,	O
work	O
was	O
started	O
on	O
a	O
spin-off	O
that	O
will	O
be	O
a	O
first-person	O
shooter	O
in	O
the	O
spirit	O
of	O
Doom	B-Application
and	O
Quake	B-Application
.	O
</s>
