<s>
Doom	B-Language
RPG	I-Language
is	O
a	O
mobile	O
phone	O
game	O
developed	O
by	O
Fountainhead	O
Entertainment	O
and	O
published	O
by	O
JAMDAT	O
Mobile	O
.	O
</s>
<s>
It	O
combines	O
the	O
Doom	B-Application
first-person	O
shooter	O
franchise	O
with	O
role-playing	O
video	O
game	O
elements	O
.	O
</s>
<s>
The	O
storyline	O
incorporates	O
many	O
similar	O
events	O
of	O
Doom	B-Application
3	I-Application
,	O
but	O
involves	O
different	O
characters	O
than	O
those	O
in	O
the	O
third	O
game	O
.	O
</s>
<s>
The	O
website	O
for	O
Doom	B-Language
RPG	I-Language
states	O
that	O
the	O
protagonist	O
in	O
Doom	B-Language
RPG	I-Language
is	O
the	O
same	O
character	O
from	O
Doom	B-Application
,	O
Doom	B-Application
II	I-Application
,	O
and	O
Doom	B-Application
3	I-Application
.	O
</s>
<s>
The	O
game	O
retains	O
many	O
of	O
the	O
elements	O
of	O
Doom	B-Application
,	O
and	O
is	O
shown	O
in	O
the	O
first	O
person	O
like	O
the	O
original	O
.	O
</s>
<s>
It	O
is	O
also	O
visually	O
similar	O
to	O
the	O
original	O
Doom	B-Application
.	O
</s>
<s>
It	O
is	O
very	O
important	O
to	O
speak	O
to	O
the	O
scientists	O
and	O
access	O
computer	O
terminals	O
to	O
attain	O
vital	O
information	O
in	O
order	O
to	O
progress	O
through	O
the	O
game	O
,	O
similar	O
to	O
Doom	B-Application
3	I-Application
.	O
</s>
<s>
Notably	O
absent	O
are	O
the	O
Chainsaw	O
,	O
Arachnotrons	B-Application
and	O
Spider	B-Application
Mastermind	I-Application
.	O
</s>
<s>
The	O
dogs	O
from	O
Wolfenstein	B-Application
3D	I-Application
appear	O
as	O
a	O
new	O
enemy	O
,	O
known	O
as	O
Hellhounds	O
.	O
</s>
<s>
The	O
story	O
occurs	O
on	O
a	O
Martian	O
Union	B-Application
Aerospace	I-Application
Corporation	I-Application
installation	O
similar	O
to	O
Doom	B-Application
3	I-Application
.	O
</s>
<s>
The	O
game	O
's	O
engine	O
was	O
later	O
used	O
for	O
another	O
Fountainhead	O
Entertainment	O
title	O
,	O
Orcs	B-Application
&	I-Application
Elves	I-Application
,	O
Orcs	B-Application
&	I-Application
Elves	I-Application
II	O
,	O
and	O
was	O
also	O
followed	O
by	O
Wolfenstein	B-Application
RPG	I-Application
and	O
Doom	B-Application
II	I-Application
RPG	I-Application
.	O
</s>
<s>
GameSpot	O
gave	O
Doom	B-Language
RPG	I-Language
a	O
score	O
of	O
8.6	O
out	O
of	O
a	O
possible	O
10	O
in	O
their	O
review	O
of	O
the	O
game	O
.	O
</s>
