<s>
Check	B-Application
Man	I-Application
is	O
an	O
arcade	B-Application
video	I-Application
game	I-Application
released	O
by	O
American	O
company	O
Zilec-Zenitone	O
in	O
1982	O
.	O
</s>
<s>
The	O
game	O
uses	O
the	O
Namco	O
Galaxian	O
arcade	B-Application
board	O
.	O
</s>
<s>
The	O
skulls	O
turn	O
to	O
time	B-General_Concept
bombs	I-General_Concept
one	O
at	O
a	O
time	O
and	O
the	O
player	O
must	O
walk	O
over	O
them	O
to	O
defuse	O
them	O
before	O
they	O
explode	O
.	O
</s>
<s>
There	O
were	O
no	O
official	O
ports	O
to	O
home	O
systems	O
but	O
Check	B-Application
Man	I-Application
was	O
cloned	O
as	O
Danger	O
UXB	O
(	O
Micro	O
Power	O
)	O
for	O
the	O
Acorn	B-Device
Electron	I-Device
and	O
BBC	B-Device
Micro	I-Device
,	O
Timebomb	B-Application
(	O
CDS	O
Microsystems	O
)	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
Gridtrap	O
for	O
the	O
Commodore	O
64	O
,	O
and	O
Kick	O
It	O
(	O
Aackosoft	O
)	O
for	O
MSX	B-Operating_System
.	O
</s>
