<s>
SubRoc-3D	B-Application
( サブ・口ック3D	O
SabuRokku-3D	O
)	O
is	O
a	O
first-person	O
arcade	B-Application
shooter	O
game	O
released	O
in	O
1982	O
by	O
Sega	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
commercial	O
video	O
game	O
in	O
stereoscopic	B-Application
3-D	I-Application
,	O
using	O
a	O
periscope-shaped	O
display	O
with	O
a	O
different	O
image	O
for	O
each	O
eye	O
.	O
</s>
<s>
It	O
was	O
jointly	O
developed	O
by	O
Sega	O
and	O
Matsushita	O
Electric	O
(	O
now	O
Panasonic	O
)	O
,	O
who	O
developed	O
its	O
active	B-Algorithm
shutter	I-Algorithm
3D	I-Algorithm
system	I-Algorithm
.	O
</s>
<s>
It	O
was	O
adapted	O
for	O
ColecoVision	B-Device
,	O
as	O
SubRoc	O
,	O
with	O
simulated	O
3D	O
effects	O
,	O
by	O
Arnold	O
Hendrick	O
and	O
Philip	O
Taterczynski	O
of	O
the	O
Coleco	O
game	O
design	O
staff	O
,	O
with	O
programming	O
by	O
David	O
Wesely	O
of	O
4D	O
Interactive	O
Systems	O
.	O
</s>
<s>
The	O
stereoscopic	B-Algorithm
3D	I-Algorithm
effect	O
is	O
achieved	O
with	O
an	O
active	B-Algorithm
shutter	I-Algorithm
3D	I-Algorithm
system	I-Algorithm
.	O
</s>
<s>
The	O
player	O
's	O
face	O
is	O
pressed	O
against	O
the	O
eyepiece	O
,	O
which	O
is	O
shaped	O
like	O
a	O
submarine	O
periscope	B-Language
and	O
attached	O
to	O
a	O
controller	O
below	O
.	O
</s>
<s>
The	O
game	O
's	O
pseudo-3D	O
visuals	O
are	O
created	O
with	O
scaled	O
sprites	O
using	O
the	O
VCO	O
Object	O
hardware	O
,	O
previously	O
used	O
in	O
Sega	O
's	O
1981	O
racing	O
game	O
Turbo	B-Application
.	O
</s>
<s>
The	O
game	O
's	O
active-shutter	O
3-D	O
technology	O
was	O
developed	O
by	O
Matsushita	O
Electric	O
(	O
now	O
Panasonic	O
)	O
for	O
a	O
3D	B-Algorithm
television	I-Algorithm
they	O
had	O
developed	O
in	O
the	O
late	O
1970s	O
and	O
unveiled	O
in	O
1981	O
.	O
</s>
<s>
The	O
game	O
began	O
development	O
around	O
1980	O
,	O
when	O
Sega	O
and	O
Matsushita	O
began	O
discussing	O
a	O
"	O
Stereo	O
Viewer	O
System	O
"	O
to	O
adapt	O
Matsushita	O
's	O
3D	B-Algorithm
television	I-Algorithm
for	O
video	O
game	O
use	O
.	O
</s>
<s>
Sega	O
's	O
director	O
of	O
technology	O
for	O
the	O
project	O
was	O
Shikanosuke	O
Ochi	O
,	O
who	O
previously	O
led	O
the	O
development	O
of	O
1966	O
arcade	B-Application
electro-mechanical	O
game	O
Periscope	B-Language
.	O
</s>
<s>
At	O
the	O
Amusement	O
&	O
Music	O
Operators	O
Association	O
(	O
AMOA	O
)	O
show	O
in	O
1981	O
,	O
3D	B-Algorithm
images	I-Algorithm
from	O
the	O
game	O
were	O
demonstrated	O
on	O
video	O
tape	O
.	O
</s>
<s>
The	O
game	O
was	O
a	O
commercial	O
arcade	B-Application
success	O
for	O
Sega	O
in	O
1982	O
.	O
</s>
<s>
Computer	O
and	O
Video	O
Games	O
magazine	O
gave	O
the	O
arcade	B-Application
version	O
a	O
generally	O
favorable	O
review	O
,	O
for	O
providing	O
a	O
"	O
3D	O
feel	O
"	O
and	O
further	O
advancing	O
the	O
"	O
3D	O
look	O
"	O
of	O
Zaxxon	B-Application
(	O
1982	O
)	O
.	O
</s>
<s>
Ray	O
Dimetrosky	O
of	O
Computer	O
Games	O
magazine	O
gave	O
the	O
ColecoVision	B-Device
port	O
a	O
B	O
rating	O
,	O
stating	O
that	O
the	O
graphics	O
are	O
"	O
particularly	O
impressive	O
"	O
but	O
otherwise	O
calling	O
it	O
"	O
an	O
above	O
average	O
shoot	O
'	O
em	O
up	O
"	O
.	O
</s>
