<s>
Silent	B-Application
Debuggers	I-Application
is	O
a	O
1991	O
sci-fi	O
horror	O
first-person	O
shooter	O
video	O
game	O
developed	O
and	O
released	O
by	O
Data	O
East	O
for	O
the	O
PC	B-General_Concept
Engine	I-General_Concept
and	O
published	O
by	O
NEC	O
International	O
for	O
the	O
TurboGrafx-16	B-General_Concept
.	O
</s>
<s>
Silent	B-Application
Debuggers	I-Application
was	O
notable	O
for	O
the	O
TurboGrafx-16	B-General_Concept
in	O
how	O
it	O
is	O
an	O
early	O
entry	O
in	O
the	O
first-person	O
shooter	O
genre	O
.	O
</s>
<s>
It	O
was	O
re-released	O
on	O
the	O
Virtual	B-Application
Console	I-Application
in	O
Japan	O
on	O
June	O
26	O
,	O
2007	O
,	O
in	O
North	O
America	O
on	O
July	O
16	O
,	O
2007	O
and	O
in	O
Europe	O
and	O
Australia	O
on	O
July	O
20	O
,	O
2007	O
.	O
</s>
<s>
However	O
,	O
the	O
Virtual	B-Application
Console	I-Application
version	O
was	O
delisted	O
in	O
early	O
March	O
2012	O
.	O
</s>
<s>
From	O
the	O
Silent	B-Application
Debuggers	I-Application
Game	O
Manual	O
by	O
NEC	O
Technologies	O
,	O
1991	O
:	O
</s>
<s>
The	O
most	O
famous	O
of	O
these	O
groups	O
is	O
the	O
"	O
Silent	B-Application
Debuggers	I-Application
"	O
.	O
</s>
<s>
The	O
game	O
's	O
ending	O
contains	O
a	O
sequel	B-Language
hook	O
,	O
but	O
no	O
sequel	B-Language
was	O
ever	O
released	O
,	O
nor	O
put	O
into	O
development	O
.	O
</s>
<s>
Silent	B-Application
Debuggers	I-Application
was	O
produced	O
by	O
a	O
small	O
team	O
of	O
Data	O
East	O
staff	O
members	O
.	O
</s>
<s>
IGN	O
gave	O
the	O
Wii	O
Virtual	B-Application
Console	I-Application
version	O
a	O
4.5	O
out	O
of	O
10	O
.	O
</s>
<s>
GameSpot	O
gave	O
the	O
Wii	O
Virtual	B-Application
Console	I-Application
version	O
a	O
3.5	O
out	O
of	O
10	O
.	O
</s>
<s>
The	O
game	O
has	O
been	O
cited	O
as	O
an	O
inspiration	O
for	O
Enemy	B-Application
Zero	I-Application
by	O
Warp	O
and	O
Kenji	O
Eno	O
.	O
</s>
