<s>
Beast	B-Application
Busters	I-Application
is	O
a	O
rail	O
shooter	O
horror	B-Application
game	I-Application
released	O
by	O
SNK	O
for	O
arcades	O
in	O
1989	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
three-player	O
light	B-Device
gun	I-Device
shooter	O
video	O
game	O
.	O
</s>
<s>
Ports	O
were	O
released	O
for	O
the	O
Amiga	B-Device
and	O
Atari	B-Device
ST	I-Device
in	O
1990	O
.	O
</s>
<s>
The	O
original	O
arcade	B-Application
machine	O
allows	O
for	O
up	O
to	O
three	O
players	O
to	O
play	O
the	O
game	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
Guns	B-Device
are	I-Device
mounted	I-Device
to	O
the	O
machine	O
and	O
look	O
like	O
machine	O
guns	O
.	O
</s>
<s>
Players	O
can	O
earn	O
a	O
number	O
of	O
power-ups	O
through	O
the	O
course	O
of	O
each	O
stage	O
to	O
aid	O
them	O
in	O
battle	O
such	O
as	O
rockets	B-Application
,	O
grenades	O
,	O
armor	O
,	O
health	O
packs	O
,	O
and	O
ammo	O
.	O
</s>
<s>
In	O
between	O
stages	O
players	O
are	O
shown	O
cutscenes	O
explaining	O
the	O
events	O
of	O
the	O
zombie	B-Application
infestation	O
that	O
has	O
overtaken	O
the	O
city	O
.	O
</s>
<s>
The	O
game	O
was	O
known	O
for	O
having	O
unusual	O
bosses	O
,	O
such	O
as	O
a	O
zombie	B-Application
punk	O
who	O
mutates	O
into	O
a	O
dog	O
,	O
or	O
a	O
jeep	O
which	O
starts	O
coming	O
to	O
life	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Beast	B-Application
Busters	I-Application
on	O
their	O
January	O
15	O
,	O
1990	O
issue	O
as	O
being	O
the	O
most-successful	O
upright	O
arcade	B-Application
unit	O
of	O
the	O
month	O
.	O
</s>
<s>
It	O
went	O
on	O
to	O
become	O
Japan	O
's	O
fifth	O
highest-grossing	O
dedicated	O
arcade	B-Application
game	I-Application
of	I-Application
1990	I-Application
and	O
ninth	O
highest-grossing	O
dedicated	O
arcade	B-Application
game	I-Application
of	I-Application
1991	I-Application
.	O
</s>
<s>
In	O
North	O
America	O
,	O
the	O
game	O
became	O
the	O
second	O
top-earning	O
arcade	B-Application
game	O
in	O
early	O
1990	O
,	O
below	O
Teenage	B-Application
Mutant	I-Application
Ninja	I-Application
Turtles	I-Application
.	O
</s>
<s>
The	O
game	O
drew	O
comparisons	O
to	O
Operation	B-Application
Thunderbolt	I-Application
,	O
Line	B-Application
of	I-Application
Fire	I-Application
and	O
SNK	O
's	O
own	O
Mechanized	B-Application
Attack	I-Application
.	O
</s>
<s>
ACE	O
rated	O
it	O
4	O
out	O
of	O
5	O
and	O
reacted	O
positively	O
to	O
the	O
game	O
's	O
horror	B-Application
theme	O
and	O
story	O
,	O
calling	O
it	O
Operation	B-Application
Wolf	I-Application
meets	O
Splatterhouse	B-Application
.	O
</s>
<s>
According	O
to	O
Paul	O
Theroux	O
,	O
Michael	O
Jackson	O
owned	O
a	O
Beast	B-Application
Busters	I-Application
arcade	B-Application
machine	O
and	O
frequently	O
took	O
it	O
with	O
him	O
on	O
tour	O
via	O
cargo	O
plane	O
.	O
</s>
<s>
A	O
sequel	O
entitled	O
Beast	B-Application
Busters	I-Application
:	O
Second	O
Nightmare	O
was	O
released	O
in	O
1999	B-Application
on	O
the	O
Hyper	B-Application
Neo	I-Application
Geo	I-Application
64	I-Application
.	O
</s>
<s>
A	O
handheld	O
spin-off	O
called	O
Dark	B-Application
Arms	I-Application
:	I-Application
Beast	I-Application
Buster	I-Application
was	O
released	O
in	O
1999	B-Application
for	O
the	O
Neo	B-Application
Geo	I-Application
Pocket	I-Application
Color	I-Application
in	O
the	O
form	O
of	O
an	O
Action	B-Application
RPG	I-Application
.	O
</s>
<s>
Beast	B-Application
Busters	I-Application
featuring	O
KOF	O
was	O
released	O
in	O
December	O
2014	O
for	O
iOS	O
and	O
Android	O
devices	O
,	O
but	O
it	O
ended	O
its	O
service	O
in	O
August	O
2015	O
.	O
</s>
