<s>
is	O
an	O
action	B-Application
arcade	O
video	O
game	O
developed	O
by	O
Toaplan	O
and	O
published	O
exclusively	O
in	O
Japan	O
by	O
Data	O
East	O
in	O
April	O
1985	O
.	O
</s>
<s>
In	O
the	O
game	O
,	O
players	O
assume	O
the	O
role	O
of	O
the	O
titular	O
robot	B-Algorithm
in	O
order	O
to	O
defeat	O
enemies	O
across	O
multiple	O
stages	O
.	O
</s>
<s>
The	O
title	O
is	O
notable	O
for	O
being	O
created	O
by	O
most	O
of	O
the	O
same	O
team	O
that	O
previously	O
worked	O
on	O
several	O
projects	O
at	O
Orca	O
and	O
Crux	O
before	O
both	O
companies	O
declared	O
bankruptcy	O
,	O
after	O
which	O
a	O
group	O
of	O
employees	O
from	O
the	O
two	O
gaming	O
divisions	O
would	O
go	O
on	O
to	O
form	O
Toaplan	O
as	O
a	O
result	O
,	O
as	O
well	O
as	O
being	O
one	O
of	O
the	O
few	O
titles	O
by	O
Toaplan	O
that	O
has	O
not	O
received	O
any	O
official	O
port	O
to	O
home	B-Device
consoles	I-Device
.	O
</s>
<s>
Performan	B-Application
is	O
an	O
action	B-Application
game	I-Application
where	O
the	O
players	O
control	O
the	O
on-screen	O
protagonist	O
from	O
a	O
top-down	O
perspective	O
,	O
where	O
the	O
main	O
objective	O
on	O
each	O
screen	O
is	O
to	O
eliminate	O
enemies	O
in	O
order	O
to	O
progress	O
further	O
,	O
while	O
an	O
intermission	O
animation	O
plays	O
between	O
some	O
stages	O
.	O
</s>
<s>
Getting	O
hit	O
by	O
an	O
enemy	O
will	O
result	O
in	O
losing	O
a	O
live	O
and	O
once	O
all	O
lives	O
are	O
lost	O
,	O
the	O
game	B-Application
is	I-Application
over	I-Application
unless	O
the	O
players	O
insert	O
more	O
credits	O
into	O
the	O
arcade	O
machine	O
to	O
continue	O
playing	O
.	O
</s>
<s>
The	O
player	O
controls	O
the	O
robot	B-Algorithm
with	O
a	O
four-way	O
joystick	O
and	O
two	O
buttons	O
to	O
attack	O
and	O
dig	O
.	O
</s>
<s>
Players	O
can	O
dive	O
into	O
the	O
ground	O
to	O
avoid	O
enemies	O
that	O
can	O
also	O
perform	O
the	O
same	O
action	B-Application
to	O
chase	O
the	O
player	O
character	O
.	O
</s>
<s>
Players	O
can	O
also	O
attack	O
enemies	O
by	O
throwing	O
boomerangs	B-General_Concept
,	O
which	O
can	O
trigger	O
the	O
"	O
meca-stones	O
"	O
placed	O
on	O
the	O
playfield	O
to	O
explode	O
and	O
eliminating	O
any	O
enemy	O
caught	O
within	O
its	O
blast	B-Device
radius	I-Device
.	O
</s>
<s>
Eliminating	O
many	O
enemies	O
at	O
once	O
with	O
an	O
exploding	O
meca-stone	O
grants	O
a	O
determined	O
number	O
of	O
points	O
,	O
which	O
is	O
also	O
crucial	O
for	O
reaching	O
high	O
scores	O
,	O
though	O
players	O
can	O
be	O
paralyzed	O
if	O
the	O
robot	B-Algorithm
is	O
caught	O
with	O
its	O
blast	B-Device
radius	I-Device
.	O
</s>
<s>
Performan	B-Application
was	O
created	O
by	O
most	O
of	O
the	O
same	O
team	O
that	O
previously	O
worked	O
on	O
several	O
projects	O
at	O
Orca	O
and	O
Crux	O
before	O
both	O
companies	O
declared	O
bankruptcy	O
,	O
after	O
which	O
a	O
group	O
of	O
employees	O
from	O
the	O
two	O
gaming	O
divisions	O
would	O
go	O
on	O
to	O
form	O
Toaplan	O
and	O
among	O
them	O
were	O
composers	O
Masahiro	O
Yuge	O
and	O
Tatsuya	O
Uemura	O
,	O
both	O
of	O
which	O
recounted	O
the	O
project	O
's	O
development	O
process	O
and	O
history	O
between	O
1990	O
and	O
2012	O
through	O
Japanese	O
publications	O
such	O
as	O
Gamest	O
and	O
Shooting	O
Gameside	O
.	O
</s>
<s>
Uemura	O
worked	O
on	O
the	O
sound	O
design	O
for	O
the	O
game	O
while	O
he	O
still	O
formed	O
part	O
of	O
Crux	O
developing	O
Repulse	B-Application
,	O
however	O
Yuge	O
later	O
assumed	O
the	O
sound	O
design	O
duties	O
after	O
Uemura	O
had	O
a	O
motorcycle	O
accident	O
during	O
development	O
,	O
in	O
addition	O
to	O
programming	O
as	O
well	O
.	O
</s>
<s>
Performan	B-Application
was	O
released	O
only	O
in	O
arcades	O
across	O
Japan	O
by	O
Data	O
East	O
in	O
April	O
1985	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Performan	B-Application
on	O
their	O
1	O
June	O
1985	O
issue	O
as	O
being	O
the	O
twenty-second	O
most-popular	O
arcade	O
game	O
at	O
the	O
time	O
.	O
</s>
