<s>
is	O
a	O
video	O
game	O
developed	O
by	O
Compile	O
based	O
on	O
the	O
Godzilla	B-Device
franchise	O
,	O
and	O
was	O
first	O
released	O
for	O
Game	B-Device
Boy	I-Device
in	O
1990	O
.	O
</s>
<s>
It	O
is	O
a	O
port	O
of	O
the	O
1985	O
MSX	B-Operating_System
game	O
,	O
Gojira-Kun	O
.	O
</s>
<s>
Various	O
monsters	O
that	O
Godzilla	B-Device
had	O
previously	O
defeated	O
,	O
have	O
kidnapped	O
his	O
son	O
,	O
Minilla	O
,	O
and	O
hidden	O
him	O
somewhere	O
inside	O
the	O
Labyrinth	O
of	O
Matrix	O
.	O
</s>
<s>
It	O
is	O
up	O
to	O
Godzilla	B-Device
to	O
fight	O
the	O
monsters	O
 '	O
attacks	O
and	O
solve	O
their	O
many	O
puzzles	O
,	O
all	O
while	O
navigating	O
a	O
much	O
larger	O
maze	O
.	O
</s>
<s>
The	O
game	O
is	O
a	O
2D	O
side-scrolling	O
video	O
game	O
where	O
Godzilla	B-Device
can	O
only	O
walk	O
around	O
or	O
climb	O
ladders	B-Application
,	O
vines	B-Application
or	O
crystals	O
.	O
</s>
<s>
Touching	O
one	O
will	O
take	O
Godzilla	B-Device
to	O
the	O
room	O
in	O
a	O
large	O
map	O
corresponding	O
to	O
its	O
direction	O
.	O
</s>
<s>
There	O
are	O
three	O
items	O
in	O
the	O
game	O
:	O
the	O
hourglass	O
(	O
or	O
"	O
sandglass	O
"	O
)	O
,	O
the	O
heart	O
,	O
and	O
the	O
lightning	B-Protocol
bolt	I-Protocol
(	O
or	O
"	O
thunder	O
"	O
)	O
.	O
</s>
<s>
The	O
heart	O
increases	O
Godzilla	B-Device
's	O
health	O
.	O
</s>
<s>
The	O
lightning	B-Protocol
bolt	I-Protocol
kills	O
all	O
enemies	O
on-screen	O
,	O
except	O
for	O
Ghidorah	O
.	O
</s>
<s>
Godzilla	B-Device
:	O
The	O
first	O
playable	O
character	O
.	O
</s>
<s>
Minilla	O
:	O
Godzilla	B-Device
's	O
son	O
,	O
who	O
was	O
captured	O
and	O
placed	O
in	O
the	O
heart	O
of	O
the	O
Labyrinth	O
of	O
Matrix	O
.	O
</s>
<s>
Mechagodzilla	B-Application
:	O
One	O
of	O
Godzilla	B-Device
's	O
main	O
rivals	O
,	O
with	O
a	O
speed	O
that	O
is	O
slightly	O
slower	O
than	O
Godzilla	B-Device
's	O
.	O
</s>
<s>
Hedorah	O
(	O
or	O
"	O
Hedrah	O
"	O
)	O
:	O
A	O
normally	O
invincible	O
monster	O
,	O
that	O
can	O
only	O
be	O
defeated	O
by	O
a	O
boulder	O
,	O
a	O
spike	O
pit	O
,	O
or	O
a	O
lightning	B-Protocol
bolt	I-Protocol
.	O
</s>
<s>
Anguirus	O
(	O
or	O
"	O
Anguillas	O
"	O
)	O
:	O
A	O
mutant	O
Ankylosaurus	O
that	O
is	O
usually	O
an	O
ally	O
of	O
Godzilla	B-Device
.	O
</s>
<s>
Normally	O
is	O
a	O
regular	O
paced	O
enemy	O
,	O
but	O
once	O
he	O
is	O
leveled	O
with	O
Godzilla	B-Device
,	O
he	O
will	O
charge	O
at	O
a	O
high	O
speed	O
,	O
making	O
him	O
the	O
fastest	O
in	O
the	O
game	O
.	O
</s>
<s>
Rodan	O
:	O
A	O
mutant	O
pterosaur	O
that	O
,	O
just	O
like	O
Anguirus	O
,	O
is	O
usually	O
Godzilla	B-Device
's	O
ally	O
,	O
but	O
now	O
an	O
enemy	O
who	O
flies	O
after	O
him	O
,	O
making	O
it	O
harder	O
to	O
avoid	O
damage	O
.	O
</s>
<s>
Godzilla	B-Device
moves	O
faster	O
in	O
the	O
Japanese	O
version	O
,	O
with	O
his	O
speed	O
having	O
been	O
decreased	O
in	O
the	O
international	O
versions	O
.	O
</s>
