<s>
Microsoft	B-Application
Adventure	I-Application
is	O
a	O
1979	O
interactive	O
fiction	O
game	O
from	O
Microsoft	O
,	O
based	O
on	O
the	O
PDP-10	B-Device
mainframe	O
game	O
Colossal	B-Application
Cave	I-Application
Adventure	I-Application
,	O
and	O
released	O
for	O
the	O
TRS-80	B-Device
,	O
Apple	B-Device
II	I-Device
,	O
and	O
later	O
for	O
the	O
IBM	B-Device
PC	I-Device
.	O
</s>
<s>
Microsoft	B-Application
Adventure	I-Application
is	O
a	O
text	O
game	O
of	O
cave	O
exploration	O
and	O
treasure	O
gathering	O
where	O
the	O
player	O
enters	O
one	O
-	O
or	O
two-word	O
commands	O
to	O
direct	O
the	O
computer	O
to	O
move	O
and	O
manipulate	O
objects	O
,	O
and	O
points	O
are	O
awarded	O
for	O
areas	O
explored	O
and	O
for	O
treasure	O
acquired	O
.	O
</s>
<s>
The	O
game	O
features	O
most	O
of	O
the	O
content	O
as	O
Colossal	B-Application
Cave	I-Application
Adventure	I-Application
,	O
along	O
with	O
a	O
few	O
locations	O
unique	O
to	O
this	O
version	O
.	O
</s>
<s>
Microsoft	O
originally	O
released	O
Microsoft	B-Application
Adventure	I-Application
in	O
1979	O
for	O
the	O
TRS-80	B-Device
and	O
the	O
Apple	B-Device
II	I-Device
under	O
its	O
new	O
division	O
,	O
Microsoft	O
Consumer	O
Products	O
.	O
</s>
<s>
IBM	O
later	O
included	O
Microsoft	B-Application
Adventure	I-Application
as	O
the	O
only	O
game	O
in	O
the	O
initial	O
software	O
releases	O
for	O
the	O
IBM	B-Device
Personal	I-Device
Computer	I-Device
,	O
making	O
it	O
one	O
of	O
the	O
first	O
two	O
games	O
available	O
for	O
the	O
new	O
computer	O
along	O
with	O
DONKEY.BAS	B-Application
(	O
which	O
was	O
included	O
in	O
the	O
operating	O
system	O
)	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
a	O
single-sided	O
5	O
inch	O
disk	O
,	O
required	O
32K	O
RAM	O
,	O
as	O
a	O
self-booting	O
disk	O
;	O
it	O
could	O
not	O
be	O
opened	O
from	O
DOS	B-Device
.	O
</s>
<s>
Carrington	O
Dixon	O
reviewed	O
Microsoft	B-Application
Adventure	I-Application
in	O
The	O
Space	O
Gamer	O
No	O
.	O
</s>
