<s>
Rex	B-Application
is	O
an	O
action-adventure	O
shoot	O
'	O
em	O
up	O
video	O
game	O
similar	O
to	O
Metroid	B-Device
that	O
was	O
published	O
by	O
Martech	O
in	O
1988	B-Application
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
Amstrad	B-Device
CPC	I-Device
.	O
</s>
<s>
The	O
player	O
controls	O
Rex	B-Application
,	O
a	O
"	O
rino-sapien	O
"	O
mercenary	B-Application
,	O
hired	O
to	O
eliminate	O
the	O
humans	O
that	O
have	O
built	O
a	O
Great	O
Tower	O
in	O
a	O
place	O
called	O
Zenith	O
.	O
</s>
<s>
Rex	B-Application
can	O
jump	O
,	O
shoot	O
and	O
activate	O
a	O
shield	O
to	O
block	O
incoming	O
attacks	O
.	O
</s>
<s>
Destroyed	O
enemies	O
leave	O
behind	O
Energy	O
Bubbles	O
,	O
which	O
can	O
be	O
used	O
to	O
upgrade	O
Rex	B-Application
's	O
weapon	O
.	O
</s>
<s>
Rex	B-Application
was	O
developed	O
by	O
a	O
programming	O
team	O
consisting	O
of	O
Neil	O
Harris	O
,	O
Richard	O
Allen	O
and	O
John	O
Anderson	O
.	O
</s>
<s>
After	O
working	O
for	O
IBM	O
,	O
they	O
all	O
left	O
to	O
form	O
The	O
Light	O
,	O
choosing	O
the	O
Z80	B-General_Concept
as	I-General_Concept
their	O
development	O
platform	O
.	O
</s>
<s>
Rex	B-Application
was	O
the	O
only	O
game	O
they	O
developed	O
.	O
</s>
<s>
In	O
issue	O
112	O
of	O
Retro	O
Gamer	O
Magazine	O
,	O
coder	O
Jas	O
Austin	O
revealed	O
that	O
Creative	O
Reality	O
,	O
authors	O
of	O
several	O
titles	O
for	O
Martech	O
Games	O
,	O
were	O
the	O
actual	O
creators	O
of	O
Rex	B-Application
.	O
</s>
<s>
This	O
was	O
Creative	O
Reality	O
's	O
last	O
8-bit	O
game	O
,	O
but	O
they	O
continued	O
into	O
the	O
90	O
's	O
with	O
PC	O
games	O
such	O
as	O
Martian	B-Application
Gothic	I-Application
and	O
Dreamweb	B-Application
.	O
</s>
<s>
Rex	B-Application
was	O
a	O
critical	O
success	O
,	O
with	O
Your	O
Sinclair	O
awarding	O
9	O
out	O
of	O
10	O
,	O
CRASH	O
awarded	O
82%	O
and	O
Sinclair	O
User	O
awarded	O
88%	O
.	O
</s>
<s>
The	O
difficulty	O
of	O
Rex	B-Application
is	O
highlighted	O
,	O
drawing	O
comparisons	O
with	O
Cybernoid	B-Application
,	O
but	O
reviewers	O
were	O
also	O
impressed	O
with	O
the	O
intricate	O
graphics	O
and	O
level	O
of	O
action	O
.	O
</s>
