<s>
Sanctum	B-Application
2	I-Application
is	O
a	O
first-person	O
shooter	O
tower	B-Application
defense	I-Application
video	O
game	O
,	O
developed	O
by	O
independent	O
developer	O
Coffee	O
Stain	O
Studios	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
The	O
successor	O
to	O
Sanctum	B-Application
,	O
Sanctum	B-Application
2	I-Application
was	O
announced	O
in	O
2012	O
and	O
released	O
on	O
15	O
May	O
2013	O
.	O
</s>
<s>
Sanctum	B-Application
2	I-Application
takes	O
place	O
in	O
the	O
future	O
on	O
the	O
planet	O
Loek-III	O
where	O
a	O
major	O
human	O
colony	O
has	O
been	O
established	O
by	O
the	O
Britech	O
Foundation	O
in	O
the	O
city	O
of	O
Elysion-1	O
,	O
a	O
vast	O
elegant	O
metropolis	O
.	O
</s>
<s>
After	O
trekking	O
through	O
the	O
swamp	O
,	O
they	O
eventually	O
find	O
a	O
massive	O
cavern	O
with	O
a	O
Lume	O
of	O
incredible	O
size	O
(	O
previously	O
shown	O
in	O
the	O
distance	O
in	O
the	O
Sanctum	B-Application
level	O
Aftershock	O
)	O
that	O
releases	O
a	O
torrent	O
of	O
Lumes	O
.	O
</s>
<s>
Sanctum	B-Application
2	I-Application
received	O
mostly	O
positive	O
reviews	O
from	O
critics	O
.	O
</s>
<s>
The	O
game	O
holds	O
an	O
aggregated	O
Metacritic	O
score	O
of	O
77/100	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
based	O
on	O
28	O
critic	O
reviews	O
,	O
and	O
for	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
based	O
on	O
12	O
critic	O
reviews	O
.	O
</s>
