<s>
The	B-Application
Adventures	I-Application
of	I-Application
Robby	I-Application
Roto	I-Application
!	I-Application
</s>
<s>
(	O
Robby	B-Application
Roto	I-Application
for	O
short	O
)	O
is	O
a	O
1981	O
arcade	B-Application
video	I-Application
game	I-Application
produced	O
by	O
Bally/Midway	O
.	O
</s>
<s>
In	O
Robby	B-Application
Roto	I-Application
,	O
the	O
player	O
digs	O
through	O
a	O
dirt-filled	O
maze	B-Application
collecting	O
items	O
while	O
avoiding	O
pursuing	O
creatures	O
.	O
</s>
<s>
It	O
is	O
one	O
of	O
the	O
few	O
games	O
made	O
available	O
to	O
legally	O
download	O
on	O
the	O
official	O
website	O
of	O
video	O
game	O
emulator	O
MAME	B-Device
.	O
</s>
<s>
The	O
player	O
controls	O
the	O
titular	O
character	O
who	O
enters	O
an	O
underground	O
maze	B-Application
to	O
rescue	O
trapped	O
miners	O
and	O
collect	O
treasures	O
.	O
</s>
<s>
Robby	O
can	O
temporarily	O
render	O
the	O
enemies	O
impotent	O
with	O
the	O
Robo	O
Device	O
,	O
which	O
can	O
be	O
collected	O
in	O
the	O
maze	B-Application
,	O
and	O
use	O
this	O
to	O
recapture	O
the	O
miners	O
.	O
</s>
<s>
Robby	B-Application
Roto	I-Application
sold	O
fewer	O
than	O
2,000	O
units	O
and	O
was	O
much	O
less	O
popular	O
than	O
1982	O
's	O
Dig	O
Dug	O
.	O
</s>
