<s>
Ikari	B-Application
Warriors	I-Application
,	O
known	O
as	O
in	O
Japan	O
,	O
is	O
a	O
vertically	O
scrolling	O
run	O
and	O
gun	O
video	O
game	O
released	O
for	O
arcades	O
by	O
SNK	O
in	O
1986	O
.	O
</s>
<s>
At	O
the	O
time	O
there	O
were	O
many	O
Commando	B-Application
clones	O
on	O
the	O
market	O
.	O
</s>
<s>
What	O
distinguished	O
Ikari	B-Application
Warriors	I-Application
were	O
rotary	O
joysticks	B-Device
and	O
a	O
two-player	O
cooperative	O
mode	O
.	O
</s>
<s>
The	O
rotary	O
joystick	B-Device
controls	O
were	O
in	O
turn	O
based	O
on	O
SNK	O
's	O
earlier	O
TNK	B-Application
III	I-Application
(	O
1985	O
)	O
.	O
</s>
<s>
Ikari	O
was	O
originally	O
intended	O
it	O
to	O
be	O
an	O
official	O
licensed	O
adaptation	O
of	O
the	O
film	O
Rambo	B-Application
:	I-Application
First	I-Application
Blood	I-Application
Part	I-Application
II	I-Application
(	O
1985	O
)	O
,	O
but	O
SNK	O
were	O
initially	O
unable	O
to	O
acquire	O
the	O
rights	O
to	O
the	O
film	O
.	O
</s>
<s>
It	O
was	O
Japan	O
's	O
second	O
highest-grossing	O
table	O
in	O
1986	O
,	O
and	O
London	O
's	O
third	O
highest-grossing	O
arcade	B-Application
game	O
that	O
year	O
.	O
</s>
<s>
It	O
was	O
also	O
a	O
major	O
breakthrough	O
US	O
release	O
for	O
SNK	O
,	O
ranking	O
among	O
America	O
's	O
top	O
five	O
highest-grossing	O
dedicated	O
arcade	B-Application
games	O
for	O
two	O
years	O
in	O
a	O
row	O
,	O
in	O
1986	O
and	O
1987	O
.	O
</s>
<s>
The	O
player	O
takes	O
the	O
role	O
of	O
commandos	B-Application
named	O
Colonel	O
Ralf	O
Jones	O
(	O
red	O
)	O
and	O
Second	O
Lieutenant	O
Clark	B-Application
Still	I-Application
(	O
blue	O
)	O
,	O
who	O
must	O
try	O
to	O
reach	O
the	O
village	O
of	O
Ikari	O
.	O
</s>
<s>
Rotating	O
the	O
joystick	B-Device
changes	O
the	O
direction	O
the	O
character	O
faced	O
independent	O
of	O
the	O
direction	O
the	O
character	O
was	O
moving	O
,	O
as	O
controlled	O
by	O
pushing	O
the	O
joystick	B-Device
.	O
</s>
<s>
Ikari	B-Application
Warriors	I-Application
uses	O
SNK	O
's	O
model	O
LS-30	O
joysticks	B-Device
,	O
which	O
contain	O
a	O
12-way	O
rotary	O
switch	O
box	O
.	O
</s>
<s>
The	O
joysticks	B-Device
can	O
be	O
rotated	O
in	O
addition	O
to	O
being	O
pushed	O
in	O
eight	O
directions	O
.	O
</s>
<s>
The	O
less	O
successful	O
TNK	B-Application
III	I-Application
,	O
released	O
in	O
1985	O
and	O
also	O
from	O
SNK	O
,	O
is	O
the	O
first	O
to	O
have	O
used	O
such	O
joysticks	B-Device
.	O
</s>
<s>
Ikari	B-Application
Warriors	I-Application
printed	O
circuit	O
boards	O
(	O
PCBs	O
)	O
were	O
manufactured	O
in	O
two	O
different	O
versions	O
:	O
SNK	O
pinout	O
and	O
JAMMA	O
pinout	O
.	O
</s>
<s>
Most	O
SNK-pinout	O
units	O
were	O
put	O
into	O
Ikari	B-Application
Warriors	I-Application
cabinets	O
,	O
while	O
most	O
JAMMA-pinout	O
units	O
were	O
supplied	O
as	O
conversion	O
kits	O
.	O
</s>
<s>
He	O
had	O
previously	O
designed	O
SNK	O
's	O
TNK	B-Application
III	I-Application
(	O
1985	O
)	O
,	O
known	O
as	O
T.A.N.K.	O
</s>
<s>
in	O
Japan	O
and	O
Europe	O
,	O
a	O
vertical	O
tank	O
shooter	O
inspired	O
by	O
Taito	O
's	O
Front	B-Application
Line	I-Application
(	O
1982	O
)	O
that	O
used	O
rotary	O
joystick	B-Device
controls	O
.	O
</s>
<s>
The	O
same	O
year	O
,	O
Capcom	O
's	O
vertical	O
run-and-gun	O
shooter	O
Commando	B-Application
(	O
1985	O
)	O
,	O
known	O
as	O
Senjō	B-Application
no	I-Application
Ōkami	I-Application
(	O
"	O
Wolf	B-Application
of	I-Application
the	I-Application
Battlefield	I-Application
"	O
)	O
in	O
Japan	O
,	O
had	O
become	O
a	O
major	O
global	O
arcade	B-Application
hit	O
.	O
</s>
<s>
Ikari	O
combined	O
the	O
run-and-gun	O
shooter	O
gameplay	O
of	O
Commando	B-Application
with	O
the	O
rotary	O
joysticks	B-Device
and	O
tank	O
vehicles	O
of	O
T.A.N.K.	O
</s>
<s>
The	O
game	O
was	O
also	O
inspired	O
by	O
the	O
action	O
film	O
Rambo	B-Application
:	I-Application
First	I-Application
Blood	I-Application
Part	I-Application
II	I-Application
(	O
1985	O
)	O
,	O
released	O
as	O
Rambo	B-Application
:	O
Ikari	O
no	O
Dasshutsu	O
(	O
"	O
Rambo	B-Application
:	O
The	O
Furious	O
Escape	O
"	O
)	O
in	O
Japan	O
.	O
</s>
<s>
Obada	O
had	O
originally	O
intended	O
the	O
game	O
to	O
be	O
an	O
official	O
licensed	O
adaptation	O
of	O
Rambo	B-Application
,	O
but	O
SNK	O
were	O
initially	O
unable	O
to	O
acquire	O
the	O
rights	O
to	O
the	O
film	O
.	O
</s>
<s>
After	O
the	O
game	O
made	O
its	O
North	O
American	O
debut	O
at	O
an	O
arcade	B-Application
game	O
expo	O
,	O
they	O
got	O
in	O
touch	O
with	O
the	O
film	O
's	O
star	O
Sylvester	O
Stallone	O
,	O
who	O
was	O
friends	O
with	O
SNK	O
's	O
president	O
,	O
about	O
acquiring	O
the	O
rights	O
to	O
the	O
film	O
.	O
</s>
<s>
However	O
,	O
it	O
was	O
too	O
late	O
by	O
that	O
point	O
,	O
as	O
the	O
game	O
had	O
already	O
become	O
popularly	O
known	O
by	O
its	O
Japanese	O
title	O
Ikari	O
among	O
arcade	B-Application
players	O
in	O
Japan	O
and	O
North	O
America	O
,	O
leading	O
to	O
the	O
game	O
being	O
officially	O
released	O
as	O
Ikari	B-Application
Warriors	I-Application
in	O
North	O
America	O
.	O
</s>
<s>
Ikari	B-Application
Warriors	I-Application
was	O
initially	O
ported	O
to	O
the	O
Apple	B-Device
II	I-Device
,	O
Commodore	O
64	O
and	O
IBM	B-Device
PC	I-Device
by	O
Quicksilver	O
Software	O
and	O
published	O
by	O
Data	O
East	O
USA	O
in	O
the	O
US	O
in	O
1986	O
.	O
</s>
<s>
Elite	O
Systems	O
acquired	O
the	O
licence	O
for	O
Europe	O
releasing	O
the	O
Amstrad	B-Device
CPC	I-Device
version	O
in	O
late	O
1986	O
.	O
</s>
<s>
A	O
version	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
by	O
David	O
Perry	O
was	O
scheduled	O
for	O
November	O
1986	O
but	O
was	O
never	O
released	O
.	O
</s>
<s>
In	O
1988	O
Elite	O
published	O
a	O
second	O
Commodore	O
64	O
port	O
(	O
by	O
John	O
Twiddy	O
,	O
programmer	O
of	O
The	B-Application
Last	I-Application
Ninja	I-Application
)	O
,	O
a	O
new	O
ZX	B-Operating_System
Spectrum	I-Operating_System
port	O
(	O
by	O
David	O
Shea	O
,	O
author	O
of	O
the	O
Amstrad	O
version	O
)	O
along	O
with	O
versions	O
for	O
the	O
Commodore	B-Operating_System
16	I-Operating_System
,	O
Amiga	B-Device
and	O
Atari	B-Device
ST	I-Device
.	O
</s>
<s>
SNK	O
released	O
their	O
own	O
port	O
for	O
the	O
MSX	B-Operating_System
in	O
1987	O
.	O
</s>
<s>
The	O
NES	O
version	O
was	O
developed	O
by	O
Micronics	B-Application
.	O
</s>
<s>
Both	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
and	O
Atari	B-General_Concept
7800	I-General_Concept
ports	O
were	O
released	O
in	O
1990	O
as	O
one	O
of	O
the	O
final	O
published	O
games	O
for	O
those	O
systems	O
.	O
</s>
<s>
The	O
game	O
was	O
also	O
included	O
on	O
the	O
SNK	B-Application
40th	I-Application
Anniversary	I-Application
Collection	I-Application
for	O
various	O
modern	O
consoles	O
and	O
Windows	O
(	O
through	O
Steam	B-Application
)	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Ikari	O
on	O
their	O
March	O
15	O
,	O
1986	O
issue	O
as	O
being	O
the	O
most-successful	O
table	O
arcade	B-Application
cabinet	O
of	O
the	O
month	O
.	O
</s>
<s>
It	O
remained	O
at	O
the	O
top	O
of	O
the	O
Game	O
Machine	O
table	O
arcade	B-Application
cabinet	O
charts	O
through	O
April	O
and	O
early	O
May	O
,	O
before	O
returning	O
to	O
the	O
top	O
in	O
June	O
1986	O
.	O
</s>
<s>
It	O
went	O
on	O
to	O
become	O
Japan	O
's	O
second	O
highest-grossing	O
table	O
arcade	B-Application
game	I-Application
of	I-Application
1986	I-Application
.	O
</s>
<s>
In	O
the	O
United	O
Kingdom	O
,	O
it	O
was	O
one	O
of	O
the	O
top	O
three	O
highest-grossing	O
arcade	B-Application
games	O
of	O
1986	O
in	O
London	O
,	O
appearing	O
at	O
number-three	O
on	O
the	O
annual	O
1986	O
Electrocoin	O
chart	O
.	O
</s>
<s>
In	O
North	O
America	O
,	O
Ikari	B-Application
Warriors	I-Application
was	O
the	O
second	O
top-grossing	O
arcade	B-Application
game	O
on	O
the	O
monthly	O
Play	O
Meter	O
charts	O
in	O
July	O
1986	O
.	O
</s>
<s>
It	O
went	O
on	O
to	O
be	O
one	O
of	O
the	O
top	O
five	O
highest-grossing	O
dedicated	O
arcade	B-Application
games	O
of	O
1986	O
according	O
to	O
AMOA	O
,	O
and	O
the	O
year	O
's	O
eight	O
highest	O
arcade	B-Application
video	I-Application
game	I-Application
according	O
to	O
RePlay	O
.	O
</s>
<s>
It	O
was	O
also	O
among	O
the	O
top	O
five	O
dedicated	O
arcade	B-Application
games	I-Application
of	I-Application
1987	I-Application
.	O
</s>
<s>
In	O
1996	O
,	O
Next	O
Generation	O
listed	O
the	O
arcade	B-Application
version	O
of	O
Ikari	B-Application
Warriors	I-Application
as	O
number	O
61	O
on	O
their	O
"	O
Top	O
100	O
Games	O
of	O
All	O
Time	O
"	O
,	O
lauding	O
the	O
innovative	O
joysticks	B-Device
,	O
play	O
balance	O
,	O
and	O
power-ups	O
which	O
offer	O
an	O
invigorating	O
boost	O
to	O
the	O
player	O
character	O
's	O
capabilities	O
without	O
taking	O
away	O
the	O
game	O
's	O
challenge	O
.	O
</s>
<s>
They	O
said	O
that	O
players	O
"	O
wo	O
n't	O
see	O
better	O
...	O
probably	O
for	O
quite	O
a	O
while	O
"	O
because	O
"	O
the	O
Amstrad	O
graphics	O
are	O
as	O
close	O
as	O
dammit	O
to	O
the	O
arcade	B-Application
machine	O
and	O
the	O
playability	O
goes	O
off	O
the	O
C+VG	O
scale	O
"	O
.	O
</s>
<s>
The	O
IBM	B-Device
PC	I-Device
version	O
of	O
the	O
game	O
received	O
4	O
out	O
of	O
5	O
stars	O
in	O
Dragon	O
.	O
</s>
<s>
Ikari	B-Application
Warriors	I-Application
spawned	O
the	O
sequels	O
Victory	B-Application
Road	I-Application
(	O
1986	O
)	O
and	O
Ikari	B-Application
III	I-Application
:	I-Application
The	I-Application
Rescue	I-Application
(	O
1989	O
)	O
.	O
</s>
<s>
SNK	O
released	O
an	O
Ikari	B-Application
Warriors	I-Application
clone	O
in	O
1987	O
called	O
Guerrilla	B-Application
War	I-Application
(	O
known	O
as	O
Guevara	O
in	O
Japan	O
)	O
.	O
</s>
<s>
Sylvester	O
Stallone	O
,	O
whose	O
role	O
as	O
John	O
Rambo	B-Application
had	O
an	O
influence	O
on	O
the	O
game	O
,	O
owned	O
an	O
Ikari	B-Application
Warriors	I-Application
arcade	B-Application
cabinet	O
in	O
the	O
1980s	O
.	O
</s>
<s>
The	O
characters	O
Ralf	O
and	O
Clark	O
appeared	O
again	O
as	O
playable	O
characters	O
in	O
Metal	B-Application
Slug	I-Application
6	I-Application
and	O
Metal	B-Application
Slug	I-Application
7	I-Application
,	O
as	O
well	O
as	O
in	O
the	B-Application
King	I-Application
of	I-Application
Fighters	I-Application
series	I-Application
.	O
</s>
<s>
Their	O
names	O
were	O
used	O
for	O
two	O
minor	O
unrelated	O
characters	O
in	O
Crystalis	B-Application
,	O
and	O
they	O
were	O
featured	O
as	O
cameos	O
in	O
Super	B-Application
Smash	I-Application
Bros	I-Application
.	I-Application
</s>
<s>
Ultimate	O
as	O
background	O
characters	O
in	O
the	B-Application
King	I-Application
Of	I-Application
Fighters	I-Application
Stadium	O
stage	O
.	O
</s>
