<s>
Disco	B-Application
Zoo	I-Application
is	O
a	O
zoo	O
simulation	O
video	O
game	O
developed	O
by	O
Milkbag	O
Games	O
and	O
published	O
by	O
NimbleBit	O
for	O
iOS	B-Application
and	O
Android	B-Application
.	O
</s>
<s>
It	O
was	O
published	O
into	O
the	O
App	B-Application
Store	I-Application
on	O
21	O
February	O
2014	O
for	O
iOS	B-Application
.	O
</s>
<s>
Using	O
pixelated	O
graphics	O
seen	O
in	O
other	O
NimbleBit	O
games	O
such	O
as	O
Pocket	B-Application
Trains	I-Application
and	O
Pocket	B-Application
Planes	I-Application
,	O
the	O
game	O
puts	O
the	O
player	O
in	O
charge	O
of	O
a	O
virtual	O
zoo	O
.	O
</s>
<s>
Players	O
can	O
use	O
the	O
game	O
's	O
other	O
currency	O
,	O
"	O
Discobux	O
"	O
,	O
to	O
hold	O
a	O
disco	B-Operating_System
party	O
in	O
the	O
zoo	O
at	O
any	O
time	O
,	O
which	O
keeps	O
animals	O
awake	O
and	O
doubles	O
the	O
amount	O
of	O
coins	O
received	O
from	O
exhibits	O
;	O
additionally	O
,	O
a	O
disco	B-Operating_System
ball	O
appears	O
at	O
the	O
top	O
of	O
the	O
screen	O
,	O
disco	B-Operating_System
music	O
plays	O
,	O
and	O
both	O
zoo	O
patrons	O
and	O
animals	O
dance	O
for	O
the	O
duration	O
of	O
the	O
party	O
.	O
</s>
<s>
When	O
a	O
disco	B-Operating_System
is	O
not	O
in	O
progress	O
,	O
animals	O
are	O
subject	O
to	O
falling	O
asleep	O
after	O
a	O
specified	O
time	O
,	O
after	O
which	O
they	O
will	O
not	O
earn	O
coins	O
until	O
the	O
user	O
wakes	O
them	O
up	O
.	O
</s>
<s>
Disco	B-Application
Zoo	I-Application
has	O
been	O
received	O
fairly	O
well	O
by	O
critics	O
,	O
who	O
described	O
the	O
game	O
as	O
fitting	O
in	O
well	O
with	O
previous	O
"	O
fun	O
Nimblebit-style	O
titles	O
"	O
,	O
but	O
some	O
reviewers	O
expressed	O
concerns	O
about	O
players	O
eventually	O
becoming	O
uninterested	O
in	O
continuing	O
to	O
play	O
the	O
game	O
.	O
</s>
<s>
TouchArcade	O
rated	O
it	O
4	O
out	O
of	O
5	O
stars	O
,	O
noting	O
it	O
"	O
perfectly	O
fits	O
on	O
the	O
App	B-Application
Store	I-Application
shelves	O
next	O
to	O
Tiny	O
Tower	O
,	O
Nimble	O
Quest	O
and	O
their	O
other	O
titles	O
"	O
.	O
</s>
