<s>
Android	B-Application
One	I-Application
:	I-Application
The	I-Application
Reactor	I-Application
Run	I-Application
is	O
a	O
shoot	O
'	O
em	O
up	O
maze	B-Application
video	I-Application
game	I-Application
written	O
by	O
Mark	O
Haigh-Hutchinson	O
and	O
published	O
by	O
Vortex	O
Software	O
in	O
1983	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
in	O
1985	O
for	O
the	O
Amstrad	B-Device
CPC	I-Device
.	O
</s>
<s>
A	O
sequel	O
,	O
Android	B-Application
Two	I-Application
,	O
was	O
released	O
later	O
in	O
1983	O
.	O
</s>
<s>
The	O
maze	B-Application
is	O
presented	O
in	O
a	O
scrolling	O
top-down	O
view	O
,	O
using	O
tile	O
based	O
graphics	O
.	O
</s>
