<s>
Hybrid	B-Application
Heaven	I-Application
is	O
a	O
video	O
game	O
developed	O
by	O
Konami	O
Computer	O
Entertainment	O
Osaka	O
and	O
released	O
for	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
in	O
1999	O
.	O
</s>
<s>
It	O
is	O
also	O
one	O
of	O
the	O
few	O
Nintendo	B-Operating_System
64	I-Operating_System
titles	O
to	O
support	O
a	O
widescreen	O
mode	O
.	O
</s>
<s>
Hybrid	B-Application
Heaven	I-Application
takes	O
many	O
elements	O
from	O
standard	O
3-D	O
action-adventure	O
games	O
,	O
such	O
as	O
Tomb	B-Application
Raider	I-Application
.	O
</s>
<s>
However	O
,	O
when	O
battling	O
a	O
monster	O
(	O
called	O
a	O
"	O
biological	O
weapon	O
"	O
in	O
Hybrid	B-Application
Heaven	I-Application
)	O
,	O
the	O
game	O
switches	O
to	O
a	O
completely	O
different	O
mode	O
.	O
</s>
<s>
The	O
battle	O
system	O
of	O
Hybrid	B-Application
Heaven	I-Application
has	O
a	O
strong	O
emphasis	O
on	O
leveling	O
up	O
.	O
</s>
<s>
The	O
game	O
includes	O
Rumble	B-Device
Pak	I-Device
and	O
Expansion	O
Pak	O
support	O
.	O
</s>
<s>
The	O
alien	O
creates	O
clones	B-Application
and	O
hybrids	O
(	O
a	O
genetic	O
mix	O
of	O
human	O
and	O
Gargatuan	O
DNA	O
,	O
resulting	O
in	O
extra-powerful	O
creatures	O
)	O
and	O
intends	O
to	O
conquer	O
the	O
earth	O
through	O
a	O
replacement	O
of	O
its	O
leaders	O
,	O
beginning	O
with	O
the	O
United	O
States	O
.	O
</s>
<s>
Johnny	O
's	O
personal	O
motive	O
to	O
help	O
him	O
stay	O
focused	O
is	O
that	O
he	O
must	O
make	O
it	O
back	O
in	O
time	O
to	O
meet	O
his	O
girlfriend	O
under	O
the	O
Christmas	O
tree	O
on	O
the	O
White	B-Application
House	I-Application
lawn	O
.	O
</s>
<s>
Enemies	O
included	O
clones	B-Application
(	O
unremarkable	O
creations	O
,	O
created	O
mainly	O
for	O
menial	O
labor	O
)	O
,	O
agents	O
(	O
resemble	O
the	O
public	O
perception	O
of	O
the	O
secret	O
service	O
,	O
men	O
in	O
black	O
suits	O
with	O
sunglasses	O
)	O
,	O
mutants	O
(	O
genetic	O
experiments	O
that	O
resulted	O
in	O
vicious	O
creatures	O
,	O
presumably	O
for	O
military	O
)	O
,	O
robots	O
(	O
mostly	O
humanoid	O
,	O
but	O
some	O
were	O
straight-out	O
mechs	O
)	O
,	O
and	O
hybrids	O
.	O
</s>
<s>
Hybrid	B-Application
Heaven	I-Application
took	O
roughly	O
three	O
years	O
to	O
develop	O
,	O
with	O
the	O
battle	O
system	O
being	O
the	O
most	O
time-consuming	O
element	O
.	O
</s>
<s>
Konami	O
Computer	O
Entertainment	O
Osaka	O
designed	O
Hybrid	B-Application
Heaven	I-Application
as	O
an	O
answer	O
to	O
Konami	O
Computer	O
Entertainment	O
Japan	O
's	O
Metal	B-Application
Gear	I-Application
Solid	I-Application
,	O
an	O
attempt	O
to	O
better	O
their	O
fellow	O
Konami	O
team	O
's	O
top	O
tier	O
title	O
in	O
development	O
.	O
</s>
<s>
Elements	O
of	O
the	O
game	O
were	O
inspired	O
by	O
the	O
film	O
Blade	B-Application
Runner	I-Application
.	O
</s>
<s>
As	O
games	O
of	O
this	O
genre	O
were	O
seldom	O
seen	O
on	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
,	O
the	O
game	O
carried	O
a	O
certain	O
amount	O
of	O
hype	O
to	O
it	O
.	O
</s>
<s>
For	O
instance	O
,	O
N64	B-Operating_System
Magazine	O
gave	O
Hybrid	B-Application
Heaven	I-Application
many	O
multipage	O
previews	O
and	O
devoted	O
two	O
covers	O
to	O
it	O
.	O
</s>
