<s>
Reactor	B-Application
is	O
an	O
arcade	O
game	O
released	O
in	O
1982	B-Application
by	O
Gottlieb	O
.	O
</s>
<s>
The	O
object	O
of	O
the	O
game	O
is	O
to	O
cool	O
down	O
the	O
core	O
of	O
a	O
nuclear	O
reactor	B-Application
without	O
being	O
pushed	O
into	O
its	O
walls	O
by	O
swarms	O
of	O
subatomic	O
particles	O
.	O
</s>
<s>
Reactor	B-Application
was	O
developed	O
by	O
Tim	O
Skelly	O
,	O
who	O
previously	O
designed	O
and	O
programmed	O
a	O
series	O
of	O
vector	O
graphics	O
arcade	O
games	O
for	O
Cinematronics	O
,	O
including	O
Rip	B-Application
Off	I-Application
.	O
</s>
<s>
Reactor	B-Application
was	O
ported	O
to	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
by	O
Charlie	O
Heath	O
and	O
published	O
by	O
Parker	O
Brothers	O
the	O
same	O
year	O
as	O
the	O
original	O
.	O
</s>
<s>
Controls	O
consist	O
of	O
a	O
trackball	B-Device
and	O
two	O
buttons	O
,	O
Energy	O
and	O
Decoy	O
.	O
</s>
<s>
The	O
player	O
controls	O
a	O
ship	O
that	O
can	O
move	O
freely	O
within	O
a	O
nuclear	O
reactor	B-Application
,	O
seen	O
from	O
the	O
top	O
down	O
.	O
</s>
<s>
Swarms	O
of	O
particles	O
follow	O
the	O
player	O
and	O
bounce	O
off	O
each	O
other	O
,	O
the	O
player	O
's	O
ship	O
,	O
and	O
the	O
reactor	B-Application
core	O
.	O
</s>
<s>
Any	O
object	O
touching	O
the	O
outer	O
"	O
kill	O
wall	O
"	O
of	O
the	O
reactor	B-Application
is	O
destroyed	O
.	O
</s>
<s>
The	O
Atari	B-General_Concept
2600	I-General_Concept
can	O
be	O
played	O
with	O
either	O
a	O
joystick	O
or	O
a	O
trackball	B-Device
,	O
though	O
the	O
latter	O
is	O
not	O
mentioned	O
in	O
the	O
manual	O
.	O
</s>
<s>
An	O
Intellivision	B-Operating_System
version	O
was	O
licensed	O
and	O
developed	O
,	O
but	O
never	O
released	O
.	O
</s>
<s>
A	O
1983	O
reviewer	O
for	O
Hi-Res	O
magazine	O
wrote	O
,	O
"	O
VCS	O
Reactor	B-Application
's	O
main	O
flaw	O
is	O
not	O
in	O
the	O
game	O
itself	O
,	O
but	O
the	O
flexibility	O
of	O
the	O
controlling	O
joystick	O
.	O
</s>
<s>
The	O
trackball	B-Device
controller	O
of	O
the	O
Gottlieb	O
version	O
is	O
gone	O
,	O
replaced	O
by	O
the	O
lackluster	O
Atari	O
joystick	O
.	O
</s>
