<s>
Rack	B-Application
'	I-Application
Em	I-Application
is	O
a	O
sports	O
video	O
game	O
developed	O
by	O
Artech	O
Digital	O
Entertainment	O
and	O
published	O
by	O
Accolade	O
.	O
</s>
<s>
Rack	B-Application
'	I-Application
Em	I-Application
simulates	O
five	O
cue-sports	O
,	O
including	O
pool	O
and	O
snooker	B-Application
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
both	O
MS-DOS	B-Application
and	O
Commodore	O
64	O
in	O
1988	O
.	O
</s>
<s>
Rack	B-Application
'	I-Application
Em	I-Application
has	O
five	O
different	O
game	O
modes	O
:	O
Snooker	B-Application
,	O
Pool	O
,	O
8-ball	O
,	O
9-ball	O
and	O
Bumper	O
Pool	O
.	O
</s>
<s>
However	O
,	O
the	O
game	O
does	O
not	O
have	O
opponent	O
artificial	B-Application
intelligence	I-Application
to	O
play	O
against	O
,	O
and	O
ACE	O
described	O
this	O
omission	O
as	O
the	O
"	O
sole	O
disappointing	O
aspect	O
of	O
Rack	B-Application
'	I-Application
Em	I-Application
"	O
.	O
</s>
