<s>
Forgotten	B-Application
Worlds	I-Application
,	O
titled	O
in	O
Japan	O
,	O
is	O
a	O
side-scrolling	O
shooter	O
video	O
game	O
by	O
Capcom	O
,	O
originally	O
released	O
as	O
a	O
coin-operated	O
arcade	O
game	O
in	O
1988	B-Application
.	O
</s>
<s>
It	O
is	O
notable	O
for	O
being	O
the	O
first	O
title	O
released	O
by	O
Capcom	O
for	O
their	O
CP	B-Application
System	I-Application
arcade	O
game	O
hardware	O
.	O
</s>
<s>
Forgotten	B-Application
Worlds	I-Application
can	O
be	O
played	O
by	O
up	O
to	O
two	O
players	O
simultaneously	O
.	O
</s>
<s>
Forgotten	B-Application
Worlds	I-Application
consists	O
of	O
nine	O
stages	O
each	O
with	O
its	O
own	O
boss	O
.	O
</s>
<s>
As	O
this	O
was	O
the	O
first	O
game	O
to	O
use	O
the	O
CPS-1	B-Application
,	O
Capcom	O
tried	O
to	O
fully	O
maximize	O
its	O
software	O
capabilities	O
.	O
</s>
<s>
The	O
game	O
did	O
not	O
generate	O
enough	O
income	O
upon	O
its	O
release	O
due	O
to	O
large	O
numbers	O
of	O
shooter	O
games	O
in	O
the	O
market	O
and	O
there	O
were	O
increased	O
expenses	O
due	O
to	O
a	O
shortage	O
of	O
chips	O
needed	O
for	O
the	O
CPS-1	B-Application
boards	O
.	O
</s>
<s>
Forgotten	B-Application
Worlds	I-Application
was	O
first	O
ported	O
to	O
various	O
home	O
computers	O
in	O
Europe	O
by	O
U.S.	O
Gold	O
in	O
1989	B-Application
.	O
</s>
<s>
Versions	O
were	O
produced	O
for	O
the	O
Amiga	B-Device
,	O
Atari	B-Device
ST	I-Device
,	O
Commodore	O
64	O
,	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
Amstrad	B-Device
CPC	I-Device
,	O
TurboGrafx-16	B-General_Concept
and	O
IBM-compatible	O
PC	O
.	O
</s>
<s>
Every	O
graphical	O
frame	O
was	O
digitised	O
directly	O
from	O
the	O
arcade	O
version	O
's	O
screen	O
using	O
a	O
DigiView	O
Gold	O
device	O
and	O
stored	O
the	O
data	O
on	O
an	O
Amiga	B-Device
500	O
computer	O
.	O
</s>
<s>
The	O
God	O
of	O
War	O
was	O
hand	O
sketched	O
,	O
redrawn	O
on	O
the	O
computer	O
and	O
colored	O
with	O
Deluxe	B-Application
Paint	I-Application
,	O
although	O
the	O
mirroring	O
function	O
saved	O
time	O
.	O
</s>
<s>
All	O
the	O
computer	O
versions	O
required	O
a	O
joystick	O
controller	O
in	O
order	O
to	O
be	O
played	O
and	O
could	O
not	O
be	O
played	O
with	O
the	O
keyboard	O
only	O
(	O
with	O
the	O
exception	O
of	O
the	O
IBM	O
PC	O
version	O
,	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
and	O
Amstrad	B-Device
CPC	I-Device
versions	O
)	O
.	O
</s>
<s>
In	O
the	O
Spectrum	O
sales	O
charts	O
,	O
it	O
was	O
number	O
two	O
,	O
behind	O
Robocop	B-Application
,	O
which	O
was	O
number	O
one	O
every	O
month	O
for	O
most	O
of	O
the	O
year	O
.	O
</s>
<s>
A	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive/Genesis	I-Operating_System
version	O
,	O
produced	O
by	O
Sega	O
,	O
was	O
released	O
in	O
Japan	O
on	O
November	O
18	O
,	O
1989	B-Application
,	O
with	O
subsequent	O
releases	O
in	O
North	O
America	O
and	O
the	O
PAL	O
region	O
in	O
1990	O
.	O
</s>
<s>
The	O
Mega	B-Operating_System
Drive	I-Operating_System
version	O
simulated	O
the	O
controls	O
of	O
the	O
arcade	O
version	O
by	O
using	O
A	O
and	O
C	O
buttons	O
to	O
rotate	O
the	O
character	O
in	O
either	O
direction	O
and	O
the	O
B	O
button	O
for	O
shooting	O
.	O
</s>
<s>
In	O
2008	B-Application
,	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
version	O
was	O
released	O
on	O
the	B-Operating_System
Wii	I-Operating_System
Virtual	B-Application
Console	I-Application
in	O
North	O
America	O
on	O
November	O
17	O
and	O
in	O
Europe	O
on	O
November	O
28	O
.	O
</s>
<s>
The	O
Turbografx-16	B-General_Concept
version	O
,	O
produced	O
by	O
NEC	O
Avenue	O
was	O
released	O
in	O
Japan	O
on	O
March	O
27	O
,	O
1992	O
.	O
</s>
<s>
An	O
American	O
version	O
for	O
the	O
TurboGrafx	B-General_Concept
16	I-General_Concept
was	O
released	O
by	O
Turbo	O
Technologies	O
Inc	O
.	O
as	O
well	O
.	O
</s>
<s>
With	O
the	O
3-button	O
controller	O
,	O
the	O
player	O
can	O
control	O
their	O
character	O
as	O
they	O
would	O
in	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
version	O
,	O
with	O
two	O
buttons	O
to	O
rotate	O
the	O
character	O
and	O
one	O
to	O
shoot	O
.	O
</s>
<s>
With	O
the	O
standard	O
TurboGrafx-16	B-General_Concept
controller	O
,	O
the	O
Run	O
button	O
is	O
used	O
in	O
the	O
place	O
of	O
the	O
third	O
button	O
to	O
rotate	O
the	O
character	O
to	O
the	O
left	O
.	O
</s>
<s>
The	O
TurboGrafx-16	B-General_Concept
is	O
one-player	O
only	O
,	O
but	O
allows	O
the	O
player	O
to	O
select	O
between	O
either	O
of	O
the	O
two	O
Unknown	O
Soldiers	O
at	O
the	O
start	O
of	O
the	O
game	O
(	O
with	O
their	O
respective	O
abilities	O
from	O
the	O
arcade	O
version	O
retained	O
)	O
.	O
</s>
<s>
An	O
emulation	O
of	O
the	O
original	O
arcade	O
version	O
is	O
included	O
in	O
the	O
2005	B-Application
compilation	O
Capcom	B-Application
Classics	I-Application
Collection	I-Application
Vol.1	I-Application
for	O
the	O
PlayStation	B-Device
2	I-Device
and	O
Xbox	B-Application
,	O
2006s	O
Capcom	B-Application
Classics	I-Application
Collection	I-Application
:	I-Application
Remixed	I-Application
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
,	O
and	O
also	O
in	O
the	O
Nintendo	B-Application
Switch	I-Application
and	O
Capcom	B-Application
Arcade	I-Application
Stadium	I-Application
.	O
</s>
<s>
The	O
PS2	B-Device
and	O
Xbox	B-Application
version	O
,	O
allows	O
the	O
player	O
to	O
use	O
their	O
respective	O
controllers	O
 '	O
right	O
analog	O
sticks	O
to	O
control	O
the	O
player	O
character	O
's	O
aim	O
.	O
</s>
<s>
In	O
2008	B-Application
the	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive/Genesis	I-Operating_System
version	O
was	O
ported	O
to	O
the	B-Operating_System
Wii	I-Operating_System
console	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Forgotten	B-Application
Worlds	I-Application
on	O
their	O
September	O
1	O
,	O
1988	B-Application
issue	O
as	O
being	O
the	O
second	O
most-successful	O
table	O
arcade	O
unit	O
of	O
the	O
month	O
,	O
outperforming	O
titles	O
like	O
Sky	B-Application
Soldiers	I-Application
and	O
Ninja	B-Application
Spirit	I-Application
.	O
</s>
<s>
Critics	O
compared	O
the	O
arcade	O
game	O
favorably	O
to	O
earlier	O
shooters	O
including	O
Capcom	O
's	O
Side	B-Application
Arms	I-Application
(	O
1986	O
)	O
,	O
Konami	O
's	O
Nemesis	B-Application
(	O
Gradius	B-Application
)	O
and	O
Sega	O
's	O
Space	B-Application
Harrier	I-Application
.	O
</s>
<s>
The	O
Games	O
Machine	O
gave	O
the	O
Amiga	B-Device
version	O
a	O
score	O
of	O
94%	O
,	O
praising	O
the	O
title	O
's	O
graphics	O
and	O
faithfulness	O
to	O
the	O
arcade	O
version	O
.	O
</s>
<s>
At	O
the	O
1988	B-Application
Gamest	O
Awards	O
in	O
Japan	O
,	O
the	O
arcade	O
game	O
received	O
the	O
"	O
Best	O
Graphics	O
"	O
award	O
.	O
</s>
<s>
The	O
ZX	B-Operating_System
Spectrum	I-Operating_System
version	O
received	O
the	O
"	O
Crash	O
Smash	O
!	O
"	O
</s>
