<s>
Meltdown	B-Application
is	O
an	O
isometric	O
action-adventure	O
game	O
for	O
the	O
Amstrad	B-Device
CPC	I-Device
published	O
by	O
Alligata	O
in	O
1986	B-Application
.	O
</s>
<s>
There	O
are	O
two	O
versions	O
:	O
a	O
64k	O
version	O
with	O
basic	O
speech	B-Application
synthesis	I-Application
and	O
a	O
128k	O
version	O
featuring	O
much	O
more	O
speech	B-Application
synthesis	I-Application
.	O
</s>
<s>
The	O
player	O
has	O
to	O
navigate	O
three	O
mazes	O
from	O
the	O
1st	O
floor	O
down	O
to	O
the	O
3rd	O
floor	O
of	O
a	O
nuclear	O
reactor	O
to	O
prevent	O
a	O
nuclear	O
meltdown	B-Application
.	O
</s>
<s>
There	O
are	O
eight	O
computer	B-General_Concept
terminals	I-General_Concept
on	O
each	O
floor	O
,	O
the	O
first	O
allowing	O
access	O
to	O
previous	O
floors	O
.	O
</s>
<s>
The	O
final	O
game	O
is	O
a	O
text-input	B-Application
only	O
robot	B-Algorithm
system	O
for	O
adjusting	O
the	O
control	O
rods	O
of	O
the	O
reactor	O
so	O
it	O
wo	O
n't	O
explode	O
.	O
</s>
