<s>
Bloody	B-Operating_System
Fun	I-Operating_System
Day	I-Operating_System
is	O
a	O
puzzle	O
Flash	B-Protocol
game	I-Protocol
developed	O
by	O
Urban	O
Squall	O
and	O
published	O
by	O
Kongregate	O
on	O
March	O
12	O
,	O
2009	O
.	O
</s>
<s>
Players	O
control	O
one	O
of	O
a	O
family	O
of	O
three	O
grim	B-Device
reapers	I-Device
and	O
are	O
tasked	O
with	O
moving	O
around	O
an	O
island	O
of	O
hexagonal	O
tiles	O
,	O
killing	O
creatures	O
called	O
Cuties	O
in	O
order	O
to	O
replenish	O
their	O
own	O
life	O
force	O
.	O
</s>
<s>
The	O
game	O
is	O
turn	O
based	O
,	O
with	O
players	O
selecting	O
one	O
of	O
a	O
family	O
of	O
three	O
grim	B-Device
reapers	I-Device
as	O
their	O
player	O
character	O
and	O
starting	O
the	O
tutorial	O
or	O
selecting	O
a	O
game	O
mode	O
from	O
either	O
"	O
5	O
Level	O
Mode	O
"	O
or	O
"	O
Unlimited	O
Mode	O
"	O
.	O
</s>
<s>
Bloody	B-Operating_System
Fun	I-Operating_System
Day	I-Operating_System
's	O
theme	O
was	O
inspired	O
by	O
the	O
short	O
story	O
Everything	O
Can	O
Be	O
Beaten	O
by	O
Jhonen	O
Vasquez	O
.	O
</s>
<s>
Bloody	B-Operating_System
Fun	I-Operating_System
Day	I-Operating_System
received	O
a	O
positive	O
response	O
from	O
video	O
game	O
critics	O
.	O
</s>
<s>
Wired	O
writer	O
Nate	O
Ralph	O
found	O
that	O
"	O
Bloody	B-Operating_System
Fun	I-Operating_System
Day	I-Operating_System
might	O
not	O
feature	O
a	O
deep	O
or	O
even	O
logical	O
narrative	O
,	O
but	O
it	O
's	O
got	O
style	O
in	O
spades	O
,	O
bolstered	O
by	O
simple	O
,	O
fun	O
game	O
mechanics.	O
"	O
</s>
