<s>
Aliens	B-Application
:	I-Application
Infestation	I-Application
is	O
a	O
2011	O
2D	O
sidescroller	O
game	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
handheld	O
console	O
.	O
</s>
<s>
Gameplay	O
of	O
Aliens	B-Application
:	I-Application
Infestation	I-Application
is	O
comparable	O
to	O
the	O
Metroid	B-Device
video	O
games	O
,	O
where	O
players	O
are	O
encouraged	O
to	O
search	O
and	O
backtrack	O
for	O
weapons	O
,	O
upgrades	O
,	O
and	O
keys	O
.	O
</s>
<s>
The	O
USS	O
Sephora	O
has	O
discovered	O
the	O
USS	O
Sulaco	O
adrift	O
in	O
space	O
after	O
the	O
events	O
of	O
Aliens	B-Device
and	O
Alien	O
3	O
.	O
</s>
<s>
Aliens	B-Application
:	I-Application
Infestation	I-Application
was	O
developed	O
by	O
WayForward	O
Technologies	O
and	O
Gearbox	O
Software	O
and	O
was	O
originally	O
intended	O
to	O
be	O
a	O
tie-in	O
to	O
the	O
PC	O
and	O
console	O
Aliens	B-Device
:	I-Device
Colonial	I-Device
Marines	I-Device
game	O
.	O
</s>
<s>
When	O
doing	O
their	O
research	O
,	O
game	O
director	O
Adam	O
Tierney	O
focused	O
heavily	O
on	O
Ridley	O
Scott	O
's	O
Alien	O
and	O
James	O
Cameron	O
's	O
Aliens	B-Device
as	O
inspiration	O
.	O
</s>
<s>
Aliens	B-Application
:	I-Application
Infestation	I-Application
received	O
"	O
generally	O
favorable	O
reviews	O
"	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
Digital	O
Spy	O
gave	O
it	O
four	O
stars	O
out	O
of	O
five	O
,	O
saying	O
,	O
"	O
In	O
many	O
ways	O
,	O
it	O
feels	O
like	O
the	O
Aliens	B-Device
game	O
we	O
should	O
have	O
been	O
given	O
back	O
in	O
the	O
16-bit	O
era	O
when	O
the	O
movie	O
series	O
was	O
still	O
relatively	O
new	O
.	O
</s>
<s>
Whether	O
it	O
has	O
been	O
worth	O
the	O
wait	O
is	O
debatable	O
,	O
but	O
this	O
is	O
certainly	O
a	O
worthy	O
addition	O
to	O
the	O
DS	B-Device
library.	O
"	O
</s>
