<s>
Pool	B-Application
1.5	I-Application
is	O
a	O
pool	O
simulation	O
video	O
game	O
written	O
for	O
the	O
Apple	B-Device
II	I-Device
and	O
published	O
by	O
Innovative	O
Design	O
Software	O
in	O
1981	O
.	O
</s>
<s>
An	O
Atari	B-Device
8-bit	I-Device
family	I-Device
port	O
was	O
released	O
the	O
same	O
year	O
.	O
</s>
<s>
Pool	B-Application
1.5	I-Application
allows	O
1	O
to	O
4	O
people	O
to	O
play	O
one	O
of	O
4	O
variations	O
:	O
straight	O
pool	O
,	O
eight-ball	O
,	O
nine-ball	O
,	O
and	O
rotation	O
.	O
</s>
<s>
A	O
trimmed	O
down	O
version	O
was	O
released	O
on	O
cartridge	O
for	O
the	O
Atari	B-Device
8-bit	I-Device
computers	I-Device
in	O
1982	O
as	O
Pool	B-Application
400	I-Application
.	O
</s>
<s>
The	O
"	O
400	O
"	O
refers	O
to	O
the	O
Atari	O
400	O
computer	O
,	O
which	O
shipped	O
with	O
less	O
memory	O
than	O
the	O
more	O
expensive	O
Atari	B-Device
800	I-Device
.	O
</s>
<s>
Howard	O
de	O
St.	O
Germain	O
had	O
simulated	O
the	O
interaction	O
of	O
two	O
spheres	O
on	O
a	O
minicomputer	B-Architecture
and	O
proposed	O
that	O
it	O
could	O
be	O
turned	O
into	O
a	O
pool	O
simulation	O
.	O
</s>
<s>
Working	O
with	O
Don	O
Hoffman	O
—	O
who	O
had	O
Apple	B-Device
II	I-Device
graphics	O
experience	O
—	O
and	O
Dave	O
Morock	O
,	O
the	O
game	O
was	O
written	O
in	O
3	O
–	O
4	O
months	O
.	O
</s>
<s>
The	O
magazine	O
still	O
concluded	O
,	O
"	O
POOL	B-Application
1.5	I-Application
is	O
a	O
program	O
which	O
is	O
well	O
worth	O
buying.	O
"	O
</s>
<s>
Patrick	O
and	O
Leah	O
O'Connor	O
,	O
writing	O
for	O
Interface	O
Age	O
,	O
mention	O
that	O
they	O
had	O
been	O
considering	O
creating	O
their	O
own	O
pool	O
simulation	O
,	O
but	O
stopped	O
because	O
"	O
Pool	B-Application
1.5	I-Application
does	O
everything	O
we	O
wanted	O
,	O
the	O
way	O
we	O
wanted	O
,	O
"	O
and	O
gave	O
the	O
game	O
a	O
10	O
out	O
10.	O
"	O
</s>
<s>
An	O
Atari	B-Device
8-bit	I-Device
cartridge	O
version	O
of	O
Pool	B-Application
1.5	I-Application
was	O
released	O
in	O
1982	O
,	O
renamed	O
to	O
Pool	B-Application
400	I-Application
.	O
</s>
<s>
While	O
the	O
original	O
requires	O
48	O
KB	O
of	O
memory	O
and	O
a	O
disk	O
drive	O
,	O
Pool	B-Application
400	I-Application
works	O
on	O
any	O
Atari	B-Device
8-bit	I-Device
computer	I-Device
with	O
16	O
KB	O
.	O
</s>
<s>
A	O
follow-up	O
,	O
Trick	O
Shot	O
,	O
was	O
published	O
for	O
the	O
Apple	B-Device
II	I-Device
in	O
1982	O
.	O
</s>
