<s>
A	B-Application
City	I-Application
Sleeps	I-Application
is	O
a	O
horizontally	O
scrolling	O
shooter	O
video	O
game	O
developed	O
by	O
Harmonix	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
Mac	B-Application
OS	I-Application
X	I-Application
systems	O
on	O
October	O
16	O
,	O
2014	O
.	O
</s>
<s>
A	B-Application
City	I-Application
Sleeps	I-Application
is	O
a	O
horizontally	O
scrolling	O
twin-stick	O
shooter	O
.	O
</s>
<s>
A	B-Application
City	I-Application
Sleeps	I-Application
was	O
developed	O
by	O
a	O
part	O
of	O
Harmonix	O
 '	O
team	O
that	O
worked	O
on	O
their	O
first-person	O
music-based	O
shooter	O
,	O
Chroma	O
.	O
</s>
<s>
A	B-Application
City	I-Application
Sleeps	I-Application
received	O
"	O
mixed	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
