<s>
is	O
an	O
action-adventure	O
video	O
game	O
developed	O
by	O
Omega	O
Force	O
and	O
published	O
by	O
Koei	O
for	O
the	O
PlayStation	B-Device
.	O
</s>
<s>
Enigma	B-Application
is	O
a	O
single	O
player	O
adventure	O
game	O
with	O
three	O
selectable	O
characters	O
.	O
</s>
<s>
They	O
produced	O
several	O
games	O
such	O
as	O
the	O
shooting	O
game	O
Winback	B-Application
,	O
the	O
fighting	O
game	O
Dynasty	O
Warriors	O
,	O
as	O
well	O
as	O
Enigma	B-Application
,	O
an	O
adventure	O
game	O
.	O
</s>
<s>
At	O
the	O
time	O
,	O
a	O
PlayStation	B-Device
version	O
was	O
confirmed	O
,	O
but	O
there	O
were	O
also	O
the	O
possibility	O
of	O
versions	O
for	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
,	O
or	O
Personal	B-Device
Computer	I-Device
as	O
well	O
.	O
</s>
<s>
The	O
spokesperson	O
also	O
said	O
it	O
was	O
possible	O
that	O
the	O
game	O
could	O
outsell	O
the	O
recently	O
released	O
game	O
Final	B-Application
Fantasy	I-Application
7	I-Application
.	O
</s>
<s>
It	O
was	O
part	O
of	O
over	O
200	O
PlayStation	B-Device
games	O
shown	O
at	O
the	O
show	O
,	O
compared	O
to	O
just	O
16	O
for	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
.	O
</s>
<s>
Enigma	B-Application
was	O
released	O
on	O
April	O
2	O
,	O
1998	O
for	O
the	O
Sony	B-Device
PlayStation	I-Device
in	O
Japan	O
and	O
was	O
published	O
by	O
Koei	O
.	O
</s>
<s>
A	O
127-page	O
guidebook	O
was	O
published	O
by	O
Koei	O
titled	O
Enigma	B-Application
Hyper	O
Guidebook	O
.	O
</s>
<s>
The	O
game	O
has	O
never	O
been	O
released	O
outside	O
of	O
Japan	O
,	O
nor	O
has	O
it	O
been	O
released	O
on	O
the	O
PlayStation	B-Device
's	O
Game	O
Archives	O
in	O
Japan	O
either	O
.	O
</s>
