<s>
also	O
distributed	O
under	O
the	O
title	O
of	O
Top	B-Application
Gunner	I-Application
,	O
is	O
an	O
overhead	O
run	O
and	O
gun	O
video	O
game	O
by	O
Konami	O
released	O
for	O
arcades	O
in	O
1986	O
.	O
</s>
<s>
The	O
Jackal	B-Application
unit	O
is	O
an	O
elite	O
group	O
of	O
four	O
soldiers	O
that	O
have	O
undergone	O
a	O
harsh	O
training	O
regiment	O
to	O
survive	O
in	O
any	O
environment	O
.	O
</s>
<s>
Jackal	B-Application
can	O
be	O
played	O
by	O
up	O
to	O
two	O
players	O
simultaneously	O
.	O
</s>
<s>
Jackal	B-Application
does	O
not	O
have	O
a	O
traditional	O
stage	O
structure	O
.	O
</s>
<s>
A	O
map	O
is	O
shown	O
at	O
the	O
game	B-Application
over	I-Application
screen	O
showing	O
how	O
far	O
the	O
player	O
has	O
progressed	O
.	O
</s>
<s>
While	O
Jackal	B-Application
does	O
not	O
feature	O
a	O
continue	O
feature	O
,	O
the	O
player	O
can	O
"	O
cheat	O
"	O
the	O
game	O
by	O
using	O
the	O
join-in	O
feature	O
and	O
switching	O
to	O
the	O
other	O
control	O
panel	O
before	O
being	O
taken	O
to	O
the	O
game	B-Application
over	I-Application
screen	O
.	O
</s>
<s>
Jackal	B-Application
was	O
originally	O
designed	O
to	O
be	O
played	O
with	O
rotary	O
joysticks	O
similar	O
to	O
the	O
ones	O
used	O
by	O
SNK	O
in	O
some	O
of	O
their	O
games	O
at	O
the	O
time	O
such	O
as	O
TNK	B-Application
III	I-Application
and	O
Ikari	B-Application
Warriors	I-Application
.	O
</s>
<s>
A	O
version	O
of	O
Jackal	B-Application
with	O
this	O
control	O
scheme	O
was	O
market	O
tested	O
,	O
but	O
did	O
n't	O
receive	O
wide	O
distribution	O
.	O
</s>
<s>
The	O
game	O
was	O
distributed	O
as	O
Tokushu	O
Butai	O
Jackkaru	O
( 特殊部隊ジャッカル	O
,	O
literally	O
,	O
"	O
Special	O
Forces	O
Jackal	B-Application
"	O
)	O
in	O
Japan	O
,	O
Top	B-Application
Gunner	I-Application
in	O
North	O
America	O
and	O
simply	O
as	O
Jackal	B-Application
in	O
Europe	O
,	O
Oceania	O
and	O
Asia	O
.	O
</s>
<s>
Aside	O
from	O
the	O
title	O
,	O
the	O
Top	B-Application
Gunner	I-Application
variant	O
of	O
the	O
game	O
is	O
almost	O
identical	O
to	O
the	O
international	O
version	O
of	O
Jackal	B-Application
,	O
but	O
has	O
a	O
slight	O
cosmetic	O
difference	O
:	O
the	O
yellow	O
and	O
blue	O
flags	O
that	O
adorned	O
the	O
player	O
jeeps	O
in	O
Jackal	B-Application
have	O
each	O
been	O
replaced	O
by	O
a	O
U.S.	O
flag	O
,	O
while	O
many	O
of	O
the	O
enemy	O
camps	O
and	O
vehicles	O
are	O
adorned	O
with	O
the	O
Vietnamese	O
flag	O
.	O
</s>
<s>
Jackal	B-Application
was	O
released	O
for	O
the	O
Nintendo	O
Entertainment	O
System	O
(	O
NES	O
)	O
on	O
October	O
1988	O
in	O
North	O
America	O
.	O
</s>
<s>
The	O
NES	O
Jackal	B-Application
has	O
the	O
following	O
differences	O
from	O
the	O
arcade	B-Application
version	O
.	O
</s>
<s>
Each	O
stage	O
features	O
a	O
different	O
boss	O
awaiting	O
at	O
the	O
end	O
,	O
which	O
include	O
enemies	O
not	O
seen	O
in	O
the	O
arcade	B-Application
version	O
such	O
as	O
missile-spitting	O
statues	O
,	O
a	O
battleship	O
and	O
a	O
new	O
final	O
boss	O
(	O
a	O
giant	O
flamethrower	O
equipped	O
tank	O
;	O
which	O
can	O
be	O
destroyed	O
effectively	O
by	O
machine	O
gun	O
)	O
.	O
</s>
<s>
A	O
Japanese	O
version	O
was	O
released	O
for	O
the	O
Family	B-Device
Computer	I-Device
Disk	I-Device
System	I-Device
(	O
FDS	O
)	O
a	O
few	O
months	O
earlier	O
on	O
May	O
2	O
,	O
1988	O
under	O
the	O
title	O
ファイナルコマンド	O
い	O
(	O
Fainaru	O
Komando	O
:	O
Akai	O
Yōsai	O
,	O
"	O
Final	O
Command	O
:	O
Red	O
Fortress	O
"	O
)	O
.	O
</s>
<s>
This	O
earlier	O
version	O
lacks	O
some	O
of	O
the	O
content	O
that	O
were	O
later	O
added	O
to	O
its	O
NES	O
counterpart	O
due	O
to	O
the	O
fact	O
that	O
it	O
was	O
released	O
in	O
disk	O
card	O
format	O
rather	O
than	O
on	O
a	O
ROM	B-Protocol
cartridge	I-Protocol
.	O
</s>
<s>
In	O
Europe	O
,	O
Konami	O
released	O
ports	O
of	O
Jackal	B-Application
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
Amstrad	B-Device
CPC	I-Device
and	O
Commodore	O
64	O
in	O
1988	O
.	O
</s>
<s>
An	O
MS-DOS	B-Application
version	O
was	O
released	O
in	O
North	O
America	O
in	O
1989	O
alongside	O
a	O
different	O
Commodore	O
64	O
port	O
.	O
</s>
<s>
These	O
versions	O
were	O
roughly	O
based	O
on	O
the	O
arcade	B-Application
game	O
.	O
</s>
<s>
A	O
ROM	B-General_Concept
image	I-General_Concept
of	O
the	O
NES	O
Jackal	B-Application
is	O
included	O
in	O
the	O
Windows	B-Application
PC	I-Application
compilation	O
Konami	O
Collector	O
's	O
Series	O
:	O
Castlevania	O
&	O
Contra	O
released	O
in	O
2002	O
in	O
North	O
America	O
.	O
</s>
<s>
On	O
July	O
29	O
,	O
2009	O
,	O
Konami	O
released	O
a	O
mobile	O
version	O
of	O
Akai	O
Yōsai	O
for	O
feature	B-Device
phones	I-Device
through	O
their	O
Konami	O
Net	O
DX	O
service	O
.	O
</s>
<s>
This	O
version	O
features	O
the	O
added	O
content	O
from	O
the	O
NES	O
version	O
of	O
Jackal	B-Application
,	O
as	O
well	O
as	O
improved	O
graphics	O
much	O
closer	O
in	O
quality	O
to	O
the	O
arcade	B-Application
version	O
.	O
</s>
<s>
An	O
unrelated	O
mobile	O
version	O
of	O
Jackal	B-Application
(	O
also	O
based	O
on	O
the	O
NES	O
game	O
)	O
was	O
released	O
by	O
Konami	O
for	O
the	O
Chinese	O
market	O
on	O
August	O
5	O
,	O
2010	O
.	O
</s>
<s>
The	O
arcade	B-Application
version	O
of	O
Jackal	B-Application
was	O
released	O
for	O
the	O
Game	B-Device
Room	I-Device
service	O
on	O
October	O
27	O
,	O
2010	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Jackal	B-Application
on	O
their	O
November	O
15	O
,	O
1986	O
issue	O
as	O
being	O
the	O
third	O
most-successful	O
table	O
arcade	B-Application
unit	O
of	O
the	O
month	O
.	O
</s>
