<s>
Moon	O
is	O
a	O
Japanese	O
adult	B-Application
horror	O
visual	O
novel	O
developed	O
by	O
Tactics	O
,	O
a	O
brand	O
of	O
Nexton	O
,	O
released	O
on	O
November	O
21	O
,	O
1997	O
,	O
playable	O
on	O
Windows	B-Application
PCs	I-Application
.	O
</s>
<s>
The	O
game	O
ranked	O
twice	O
in	O
the	O
national	O
top	O
50	O
for	O
best-selling	O
PC	B-Device
games	O
sold	O
in	O
Japan	O
.	O
</s>
<s>
The	O
game	O
's	O
original	O
soundtrack	O
was	O
released	O
bundled	O
with	O
Dōsei	B-Application
soundtrack	O
in	O
August	O
2000	B-Application
at	O
Comiket	O
58	O
;	O
Dōsei	B-Application
was	O
Tactics	O
 '	O
first	O
game	O
.	O
</s>
<s>
Moon	O
has	O
been	O
referenced	O
in	O
other	O
media	O
not	O
directly	O
related	O
to	O
the	O
game	O
,	O
such	O
as	O
in	O
Tactics	O
 '	O
third	O
game	O
One	B-Application
:	I-Application
Kagayaku	I-Application
Kisetsu	I-Application
e	I-Application
,	O
and	O
in	O
the	O
second	O
anime	O
adaptation	O
of	O
Key	O
's	O
first	O
game	O
Kanon	O
.	O
</s>
<s>
Training	O
of	O
believers	O
takes	O
the	O
form	O
of	O
repeated	O
visits	O
to	O
both	O
the	O
Minmes	O
and	O
Elpod	O
rooms	O
which	O
contain	O
devices	O
able	O
to	O
interface	B-Application
with	I-Application
the	I-Application
trainee	I-Application
's	I-Application
mind	I-Application
.	O
</s>
<s>
The	O
game	O
's	O
soundtrack	O
was	O
primarily	O
composed	B-Application
by	O
Shinji	O
Orito	O
,	O
with	O
two	O
tracks	O
composed	B-Application
by	O
YET11	O
,	O
and	O
one	O
track	O
each	O
composed	B-Application
by	O
Maeda	O
and	O
Ishisan	O
.	O
</s>
<s>
Moon	O
was	O
first	O
released	O
on	O
November	O
21	O
,	O
1997	O
,	O
playable	O
on	O
a	O
Windows	B-Application
PC	I-Application
as	O
a	O
CD-ROM	B-Device
.	O
</s>
<s>
AI	O
System	O
published	O
the	O
game	O
under	O
the	O
title	O
Moon	O
Memorial	O
Selection	O
on	O
September	O
14	O
,	O
2000	B-Application
,	O
for	O
a	O
cheaper	O
price	O
.	O
</s>
<s>
Nexton	O
released	O
Moon	O
DVD	O
LimitedEdition	O
on	O
July	O
12	O
,	O
2002	O
,	O
with	O
added	O
support	O
for	O
Windows	O
98/Me/2000/XP	O
as	O
a	O
DVD-ROM	O
;	O
this	O
release	O
was	O
also	O
called	O
Moon	O
DVD	O
Final	O
Version	O
by	O
Nexton	O
.	O
</s>
<s>
A	O
CD-ROM	B-Device
version	O
of	O
the	O
DVD	O
edition	O
titled	O
Moon	O
CD	O
LimitedEdition	O
was	O
released	O
on	O
three	O
CDs	O
on	O
September	O
20	O
,	O
2002	O
.	O
</s>
<s>
Nexton	O
released	O
Moon	O
DVDPG	B-Application
Edition	O
in	O
Japan	O
on	O
January	O
30	O
,	O
2003	O
,	O
playable	O
as	O
a	O
DVD	B-Application
game	I-Application
.	O
</s>
<s>
Nexton	O
later	O
re-released	O
the	O
DVD	O
edition	O
with	O
updated	O
support	O
for	O
Windows	O
XP/Vista/7	O
on	O
April	O
2	O
,	O
2010	O
.	O
</s>
<s>
Regolith	O
Innovation	O
released	O
a	O
version	O
playable	O
on	O
Android	B-Application
devices	O
through	O
their	O
Drops	O
!	O
</s>
<s>
A	O
143-page	O
art	O
book	O
including	O
art	O
from	O
Moon	O
and	O
Tactics	O
 '	O
later	O
game	O
One	B-Application
:	I-Application
Kagayaku	I-Application
Kisetsu	I-Application
e	I-Application
titled	O
was	O
published	O
by	O
Compass	O
on	O
October	O
31	O
,	O
1998	O
(	O
)	O
.	O
</s>
<s>
The	O
game	O
's	O
soundtrack	O
was	O
released	O
bundled	O
with	O
the	O
soundtrack	O
for	O
Dōsei	B-Application
,	O
the	O
game	O
Tactics	O
made	O
before	O
Moon	O
,	O
and	O
was	O
called	O
Dōsei	B-Application
and	O
Moon	O
Original	O
Soundtracks	O
.	O
</s>
<s>
The	O
album	O
contains	O
a	O
single	O
CD	O
and	O
was	O
released	O
on	O
August	O
10	O
,	O
2000	B-Application
,	O
at	O
Comiket	O
58	O
by	O
Exobitant	O
Records	O
.	O
</s>
<s>
The	O
disc	O
contains	O
31	O
tracks	O
;	O
the	O
first	O
15	O
pertain	O
to	O
Dōsei	B-Application
and	O
the	O
latter	O
16	O
are	O
from	O
Moon	B-Application
.	I-Application
</s>
<s>
According	O
to	O
a	O
national	O
ranking	O
of	O
how	O
well	O
bishōjo	B-Application
games	I-Application
sold	O
nationally	O
in	O
Japan	O
,	O
the	O
Moon	O
DVD	O
Windows	B-Application
release	O
made	O
the	O
ranking	O
of	O
the	O
top	O
50	O
games	O
once	O
at	O
number	O
44	O
during	O
the	O
first	O
two	O
weeks	O
of	O
July	O
2002	O
.	O
</s>
<s>
Four	O
characters	O
from	O
Moon	O
can	O
be	O
seen	O
as	O
background	O
characters	O
during	O
scenes	O
in	O
the	O
cafeteria	O
from	O
One	B-Application
:	I-Application
Kagayaku	I-Application
Kisetsu	I-Application
e	I-Application
;	O
the	O
characters	O
are	O
:	O
Ikumi	O
,	O
Yōko	O
Kanuma	O
,	O
Haruka	O
Mima	O
,	O
and	O
Yui	O
Nakura	O
.	O
</s>
