<s>
is	O
an	O
interactive	O
fiction	O
and	O
eroge	B-Application
game	O
developed	O
and	O
published	O
by	O
Square	O
,	O
released	O
for	O
the	O
NEC	B-Device
PC-8801	I-Device
,	O
NEC	B-Operating_System
PC-9801	I-Operating_System
,	O
Fujitsu	B-Device
FM-7	I-Device
,	O
and	O
Sharp	B-Device
X1	I-Device
systems	O
in	O
1986	B-Application
.	O
</s>
<s>
Alpha	B-Application
uses	O
a	O
text	B-Application
parser	I-Application
to	O
interpret	O
the	O
player	O
's	O
instructions	O
and	O
displays	O
the	O
results	O
on	O
screen	O
.	O
</s>
<s>
The	O
storyline	O
of	O
Alpha	B-Application
progresses	O
as	O
the	O
player	O
inputs	O
short	O
commands	O
carried	O
out	O
by	O
the	O
game	O
's	O
heroine	O
.	O
</s>
<s>
Similarly	O
to	O
another	O
interactive	O
fiction	O
game	O
by	O
Square	O
,	O
The	B-Application
Death	I-Application
Trap	I-Application
,	O
but	O
contrary	O
to	O
most	O
games	O
in	O
the	O
genre	O
,	O
the	O
situations	O
confronted	O
by	O
the	O
main	O
character	O
are	O
presented	O
in	O
still	O
pictures	O
.	O
</s>
<s>
The	O
text	O
is	O
displayed	O
within	O
a	O
white-bordered	O
blue	O
background	O
,	O
also	O
present	O
in	O
message	O
windows	O
of	O
the	O
early	O
Final	B-Application
Fantasy	I-Application
installments	O
.	O
</s>
<s>
Alpha	B-Application
is	O
set	O
in	O
the	O
future	O
after	O
the	O
Earth	O
's	O
natural	O
resources	O
have	O
been	O
completely	O
drained	O
.	O
</s>
<s>
The	O
main	O
character	O
,	O
Chris	O
,	O
begins	O
the	O
game	O
with	O
amnesia	B-Application
and	O
a	O
terrorist	O
attack	O
quickly	O
draws	O
her	O
into	O
a	O
revolution	O
which	O
aims	O
to	O
overthrow	O
the	O
dictatorial	O
Daedalus	O
computer	O
system	O
.	O
</s>
<s>
As	O
Chris	O
interacts	O
with	O
the	O
revolutionary	O
group	O
,	O
she	O
uncovers	O
the	O
true	O
nature	O
of	O
Alpha	B-Application
,	O
the	O
Daedalus	O
,	O
and	O
herself	O
.	O
</s>
<s>
Alpha	B-Application
development	O
began	O
in	O
January	O
1986	B-Application
.	O
</s>
<s>
Artist	O
Minato	O
Shibuya	O
did	O
illustrations	O
for	O
the	O
Alpha	B-Application
game	O
manual	O
.	O
</s>
<s>
Alpha	B-Application
is	O
one	O
of	O
Nobuo	O
Uematsu	O
's	O
earliest	O
video	O
game	O
soundtracks	O
.	O
</s>
<s>
A	O
promotional	O
soundtrack	O
was	O
released	O
on	O
flexi	O
disc	O
on	O
August	O
7	O
,	O
1986	B-Application
.	O
</s>
<s>
It	O
contains	O
the	O
tracks	O
"	O
Prologue	O
~	O
Theme	O
from	O
Alpha	B-Application
~	O
"	O
and	O
"	O
CHRIS	O
"	O
.	O
</s>
<s>
Alpha	B-Application
was	O
unique	O
in	O
that	O
it	O
was	O
an	O
eroge	B-Application
,	O
or	O
erotic	O
,	O
title	O
from	O
game	O
developer	O
Square	O
.	O
</s>
