<s>
Dirty	B-Application
Bomb	I-Application
,	O
formerly	O
known	O
as	O
Extraction	B-Application
,	O
is	O
a	O
free	O
to	O
play	O
first-person	O
shooter	O
multiplayer	O
video	O
game	O
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
Splash	O
Damage	O
and	O
initially	O
published	O
by	O
Nexon	O
America	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
open	O
beta	O
version	O
was	O
released	O
in	O
June	O
2015	O
.	O
</s>
<s>
Dirty	B-Application
Bomb	I-Application
is	O
Splash	O
Damage	O
's	O
first	O
intellectual	O
property	O
.	O
</s>
<s>
This	O
event	O
was	O
known	O
as	O
the	O
"	O
Dirty	B-Application
Bomb	I-Application
"	O
incident	O
.	O
</s>
<s>
The	O
gameplay	O
is	O
based	O
on	O
Splash	O
Damage	O
's	O
previous	O
titles	O
Wolfenstein	B-Application
:	I-Application
Enemy	I-Application
Territory	I-Application
,	O
Enemy	B-Application
Territory	I-Application
:	I-Application
Quake	I-Application
Wars	I-Application
and	O
Brink	B-Application
,	O
such	O
as	O
similar	O
classes	O
,	O
gameplay	O
objectives	O
,	O
and	O
certain	O
classes	O
having	O
access	O
to	O
abilities	O
like	O
placing	O
ammunition	O
packs	O
,	O
healing	O
stations	O
,	O
or	O
sentry	O
guns	O
.	O
</s>
<s>
The	O
main	O
goal	O
of	O
the	O
attacking	O
team	O
either	O
begins	O
by	O
repairing	O
and	O
escorting	O
an	O
Extraction	B-Application
Vehicle	O
,	O
abbreviated	O
to	O
'	O
EV	O
 '	O
in-game	O
,	O
to	O
a	O
predetermined	O
location	O
,	O
or	O
to	O
plant	O
a	O
C4	O
Charge	O
on	O
a	O
certain	O
target	O
.	O
</s>
<s>
During	O
development	O
,	O
the	O
name	O
changed	O
from	O
Dirty	B-Application
Bomb	I-Application
to	O
Extraction	B-Application
and	O
back	O
to	O
the	O
original	O
name	O
,	O
Dirty	B-Application
Bomb	I-Application
.	O
</s>
<s>
Dirty	B-Application
Bomb	I-Application
entered	O
open	O
beta	O
as	O
a	O
free-to-play	O
game	O
in	O
June	O
2015	O
on	O
the	O
digital	O
distribution	O
platform	O
,	O
Steam	B-Application
.	O
</s>
<s>
Dirty	B-Application
Bomb	I-Application
received	O
positive	O
and	O
average	O
reviews	O
with	O
a	O
63	O
Metacritic	O
score	O
based	O
on	O
eight	O
critic	O
reviews	O
.	O
</s>
