<s>
is	O
a	O
1986	O
vertically	O
scrolling	O
shooter	O
arcade	B-Application
video	I-Application
game	I-Application
developed	O
by	O
Toaplan	O
and	O
published	O
by	O
Taito	O
.	O
</s>
<s>
Set	O
on	O
the	O
colonized	O
fictional	O
planet	O
of	O
Theron	O
in	O
the	O
future	O
,	O
where	O
an	O
alien	O
race	O
led	O
by	O
Gaudy	O
have	O
invaded	O
the	O
human-controlled	O
location	O
,	O
players	O
assume	O
the	O
role	O
of	O
an	O
Allied	O
League	O
of	O
Cosmic	O
Nations	O
(	O
ALCON	B-Application
)	O
fighter	O
pilot	O
taking	O
control	O
of	O
the	O
SW475	O
space	O
fighter	O
craft	O
in	O
a	O
effort	O
to	O
counterattack	O
the	O
invaders	O
.	O
</s>
<s>
Initially	O
launched	O
for	O
the	O
arcades	O
,	O
the	O
game	O
was	O
later	O
ported	O
to	O
other	O
microcomputer	B-Architecture
and	O
console	B-Device
platforms	O
by	O
various	O
third-party	O
developers	O
,	O
with	O
each	O
one	O
featuring	O
several	O
changes	O
or	O
additions	O
compared	O
to	O
the	O
original	O
release	O
.	O
</s>
<s>
Slap	B-Application
Fight	I-Application
proved	O
to	O
be	O
popular	O
with	O
arcade	B-Application
players	O
despite	O
a	O
low	O
number	O
of	O
arcade	B-Application
boards	O
manufactured	O
in	O
Japan	O
,	O
however	O
it	O
was	O
met	O
with	O
mixed	O
reception	O
from	O
video	O
game	O
magazines	O
across	O
western	O
regions	O
,	O
specifically	O
the	O
home	O
conversions	O
.	O
</s>
<s>
Although	O
it	O
never	O
received	O
a	O
direct	O
sequel	O
,	O
the	O
game	O
's	O
ideas	O
and	O
weapon	O
system	O
were	O
later	O
inherited	O
by	O
both	O
Truxton	B-Application
and	O
Grind	B-Application
Stormer	I-Application
,	O
with	O
the	O
latter	O
being	O
regarded	O
as	O
its	O
spiritual	O
successor	O
.	O
</s>
<s>
The	O
rights	O
to	O
the	O
title	O
are	O
owned	O
by	O
Tatsujin	B-Application
,	O
a	O
Japanese	O
company	O
formed	O
by	O
Masahiro	O
Yuge	O
.	O
</s>
<s>
Slap	B-Application
Fight	I-Application
is	O
a	O
science	O
fiction-themed	O
vertically	O
scrolling	O
shoot	O
'	O
em	O
up	O
game	O
reminiscent	O
of	O
B-Wings	B-Application
,	O
where	O
players	O
assume	O
the	O
role	O
of	O
an	O
Allied	O
League	O
of	O
Cosmic	O
Nations	O
(	O
ALCON	B-Application
)	O
fighter	O
pilot	O
taking	O
control	O
of	O
the	O
SW475	O
space	O
fighter	O
craft	O
in	O
a	O
counterattack	O
effort	O
to	O
defeat	O
an	O
invading	O
alien	O
race	O
led	O
by	O
Gaudy	O
on	O
planet	O
Theron	O
as	O
the	O
main	O
objective	O
.	O
</s>
<s>
Besides	O
some	O
stationary	O
helicopters	B-Application
with	O
blades	O
spinning	O
,	O
there	O
are	O
no	O
flying	O
enemies	O
in	O
the	O
entire	O
game	O
.	O
</s>
<s>
The	O
game	O
's	O
weapon	O
power-up	O
system	O
takes	O
inspiration	O
from	O
Gradius	B-Application
;	O
certain	O
enemies	O
spawn	O
a	O
star-shaped	O
item	O
upon	O
destruction	O
to	O
be	O
collected	O
,	O
activating	O
an	O
upgrade	O
menu	O
at	O
the	O
bottom	O
of	O
the	O
screen	O
that	O
moves	O
a	O
lit	O
cursor	O
through	O
the	O
list	O
of	O
weapon	O
power-ups	O
described	O
below	O
.	O
</s>
<s>
If	O
bomb	B-Device
or	O
homing	O
missile	O
shots	O
are	O
equipped	O
,	O
certain	O
bonus	O
targets	O
will	O
appear	O
or	O
parts	O
of	O
the	O
landscape	O
may	O
be	O
destroyed	O
to	O
reveal	O
bonuses	O
.	O
</s>
<s>
Getting	O
hit	O
by	O
enemy	O
fire	O
will	O
result	O
in	O
losing	O
a	O
live	O
,	O
as	O
well	O
as	O
a	O
penalty	O
of	O
decreasing	O
the	O
ship	O
's	O
firepower	O
to	O
its	O
original	O
state	O
and	O
once	O
all	O
lives	O
are	O
lost	O
,	O
the	O
game	B-Application
is	I-Application
over	I-Application
unless	O
the	O
player	O
inserts	O
more	O
credits	O
into	O
the	O
arcade	B-Application
machine	O
to	O
continue	O
playing	O
.	O
</s>
<s>
After	O
completing	O
the	O
last	O
stage	O
,	O
the	O
game	O
begins	O
again	O
with	O
the	O
second	O
loop	O
increasing	O
in	O
difficulty	O
and	O
enemies	O
fire	O
denser	O
bullet	B-Application
patterns	O
.	O
</s>
<s>
The	O
plot	O
of	O
Slap	B-Application
Fight	I-Application
varies	O
between	O
each	O
region	O
and	O
version	O
.	O
</s>
<s>
The	O
player	O
assumes	O
the	O
role	O
of	O
an	O
Allied	O
League	O
of	O
Cosmic	O
Nations	O
(	O
ALCON	B-Application
)	O
fighter	O
pilot	O
in	O
the	O
SW475	O
space	O
fighter	O
craft	O
to	O
stop	O
the	O
invaders	O
from	O
taking	O
over	O
Theon	O
.	O
</s>
<s>
Slap	B-Application
Fights	I-Application
development	O
team	O
had	O
a	O
concept	O
for	O
a	O
game	O
that	O
featured	O
secrets	O
,	O
while	O
its	O
main	O
appeal	O
was	O
to	O
keep	O
players	O
investing	O
in	O
long	O
play	O
sessions	O
that	O
revolved	O
around	O
hidden	O
items	O
and	O
the	O
weapon	O
power-up	O
system	O
,	O
as	O
then-Toaplan	O
composer	O
Masahiro	O
Yuge	O
stated	O
that	O
the	O
team	O
's	O
idea	O
for	O
the	O
game	O
was	O
to	O
add	O
as	O
many	O
secrets	O
as	O
they	O
could	O
such	O
as	O
an	O
alien	O
that	O
resembled	O
one	O
from	O
Space	B-Application
Invaders	I-Application
,	O
which	O
they	O
included	O
as	O
an	O
homage	O
to	O
Taito	O
,	O
with	O
Yuge	O
citing	O
his	O
affinity	O
for	O
titles	O
with	O
hidden	O
secrets	O
and	O
characters	O
.	O
</s>
<s>
Slap	B-Application
Fight	I-Application
was	O
also	O
one	O
of	O
the	O
earliest	O
projects	O
Toaplan	O
made	O
using	O
game	O
design	O
documents	O
,	O
though	O
Yuge	O
claimed	O
that	O
these	O
were	O
added	O
after	O
development	O
as	O
postscripts	O
,	O
since	O
the	O
team	O
"	O
needed	O
some	O
written	O
records	O
"	O
.	O
</s>
<s>
Yuge	O
stated	O
that	O
the	O
weapon	O
change	O
mechanism	O
was	O
intended	O
to	O
be	O
a	O
strategic	O
element	O
in	O
Slap	B-Application
Fight	I-Application
,	O
as	O
the	O
player	O
's	O
ship	O
is	O
rendered	O
invincible	O
.	O
</s>
<s>
The	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive	I-Operating_System
conversion	O
titled	O
Slap	B-Application
Fight	I-Application
MD	O
was	O
developed	O
by	O
M.N.M	O
Software	O
,	O
a	O
Japanese	O
game	O
development	O
company	O
founded	O
by	O
former	O
Dempa	O
Micomsoft	O
member	O
Mikito	O
Ichikawa	O
.	O
</s>
<s>
Ichikawa	O
met	O
then-Toaplan	O
composer	O
Tatsuya	O
Uemura	O
at	O
the	O
home	O
of	O
late	O
Bubble	B-Application
Bobble	I-Application
designer	O
Fukio	O
Mitsuji	O
,	O
exchanging	O
business	O
cards	O
before	O
Ichikawa	O
found	O
the	O
offices	O
of	O
Toaplan	O
two	O
weeks	O
later	O
.	O
</s>
<s>
Being	O
a	O
fan	O
of	O
Twin	B-Application
Cobra	I-Application
,	O
Ichikawa	O
wanted	O
to	O
make	O
a	O
console	B-Device
port	O
but	O
Uemura	O
told	O
him	O
the	O
game	O
was	O
already	O
being	O
converted	O
by	O
another	O
team	O
.	O
</s>
<s>
Uemura	O
then	O
asked	O
if	O
Ichikawa	O
could	O
port	O
Slap	B-Application
Fight	I-Application
instead	O
,	O
which	O
surprised	O
Ichikawa	O
,	O
as	O
the	O
arcade	B-Application
original	O
displayed	O
Taito	O
's	O
logo	O
.	O
</s>
<s>
He	O
accepted	O
the	O
offer	O
since	O
he	O
was	O
a	O
big	O
fan	O
of	O
the	O
arcade	B-Application
version	O
.	O
</s>
<s>
Slap	B-Application
Fight	I-Application
MD	O
,	O
which	O
was	O
created	O
under	O
subcontract	O
from	O
Toaplan	O
,	O
was	O
developed	O
concurrently	O
over	O
the	O
course	O
of	O
one	O
year	O
alongside	O
four	O
other	O
projects	O
at	O
M.N.M	O
Software	O
,	O
including	O
Streets	B-Application
of	I-Application
Rage	I-Application
2	I-Application
and	O
a	O
unreleased	O
Mega	B-Operating_System
Drive	I-Operating_System
conversion	O
of	O
Dash	B-Application
Yarō	I-Application
,	O
affecting	O
both	O
development	O
of	O
the	O
port	O
and	O
Ichikawa	O
's	O
health	O
greatly	O
due	O
to	O
increasing	O
overtime	O
to	O
the	O
point	O
of	O
working	O
at	O
home	O
on	O
his	O
PC	B-Device
while	O
his	O
health	O
condition	O
deteriorated	O
,	O
prompting	O
him	O
with	O
including	O
version	O
information	O
in	O
the	O
project	O
during	O
development	O
as	O
a	O
result	O
.	O
</s>
<s>
Streets	B-Application
of	I-Application
Rage	I-Application
composer	O
Yuzo	O
Koshiro	O
was	O
recruited	O
by	O
Ichikawa	O
to	O
score	O
the	O
music	O
due	O
to	O
his	O
experience	O
with	O
M.N.M	O
,	O
while	O
voicework	O
was	O
done	O
by	O
a	O
friend	O
of	O
Koshiro	O
serving	O
at	O
a	O
US	O
military	O
base	O
.	O
</s>
<s>
Ichikawa	O
arranged	O
the	O
original	O
arcade	B-Application
music	O
and	O
claimed	O
that	O
M.N.M	O
originally	O
did	O
not	O
have	O
plans	O
to	O
arrange	O
the	O
arcade	B-Application
's	O
music	O
,	O
however	O
Uemura	O
requested	O
it	O
and	O
after	O
positive	O
feedback	O
from	O
him	O
,	O
led	O
Ichikawa	O
to	O
committing	O
to	O
the	O
task	O
.	O
</s>
<s>
Toaplan	O
also	O
provided	O
reference	O
materials	O
used	O
during	O
development	O
of	O
the	O
arcade	B-Application
original	O
to	O
the	O
team	O
at	O
M.N.M.	O
</s>
<s>
The	O
special	O
mode	O
in	O
Slap	B-Application
Fight	I-Application
MD	O
was	O
developed	O
by	O
M.N.M	O
due	O
to	O
the	O
fact	O
that	O
their	O
conversion	O
would	O
have	O
not	O
featured	O
as	O
much	O
content	O
if	O
they	O
had	O
followed	O
Toaplan	O
's	O
basic	O
contract	O
of	O
just	O
porting	O
the	O
straight	O
arcade	B-Application
version	O
of	O
Slap	B-Application
Fight	I-Application
to	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
.	O
</s>
<s>
Ichikawa	O
stated	O
that	O
the	O
special	O
mode	O
was	O
conceived	O
as	O
the	O
"	O
ultimate	O
version	O
"	O
and	O
featured	O
a	O
wider	O
range	O
of	O
strategic	O
play	O
,	O
as	O
the	O
team	O
felt	O
the	O
original	O
arcade	B-Application
release	O
did	O
not	O
offer	O
as	O
many	O
gameplay	O
strategies	O
and	O
depth	O
.	O
</s>
<s>
Slap	B-Application
Fight	I-Application
was	O
first	O
released	O
in	O
arcades	O
across	O
Japan	O
on	O
July	O
1986	O
and	O
later	O
in	O
North	O
America	O
on	O
September	O
of	O
the	O
same	O
year	O
,	O
as	O
well	O
as	O
in	O
Europe	O
by	O
Taito	O
.	O
</s>
<s>
Known	O
commercial	O
ports	O
of	O
the	O
game	O
released	O
across	O
European	O
and	O
North	O
American	O
markets	O
include	O
:	O
Amstrad	B-Device
CPC	I-Device
,	O
Atari	B-Device
ST	I-Device
,	O
Commodore	O
64	O
,	O
Thomson	B-Device
MO5	I-Device
,	O
Thomson	B-Device
TO8	I-Device
and	O
ZX	B-Operating_System
Spectrum	I-Operating_System
.	O
</s>
<s>
Almost	O
all	O
microcomputer	B-Architecture
versions	O
of	O
the	O
game	O
would	O
later	O
be	O
re-released	O
as	O
budget	O
titles	O
by	O
The	O
Hit	O
Squad	O
.	O
</s>
<s>
A	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive	I-Operating_System
conversion	O
titled	O
Slap	B-Application
Fight	I-Application
MD	O
was	O
published	O
in	O
Japan	O
by	O
Tengen	O
on	O
11	O
June	O
1993	O
and	O
South	O
Korea	O
by	O
Samsung	B-Application
on	O
the	O
same	O
year	O
.	O
</s>
<s>
Tengen	O
produced	O
an	O
estimated	O
run	O
of	O
5000	O
copies	O
for	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
port	O
.	O
</s>
<s>
"	O
Slap	B-Application
Fight	I-Application
MD	O
"	O
itself	O
is	O
a	O
new	O
special	O
game	O
mode	O
with	O
new	O
levels	O
,	O
graphics	O
,	O
weapons	O
and	O
music	O
,	O
plus	O
a	O
new	O
"	O
bomb	B-Device
"	O
feature	O
at	O
the	O
cost	O
of	O
wing	O
power-ups	O
and	O
new	O
music	O
composed	O
and	O
arranged	O
by	O
Yuzo	O
Koshiro	O
,	O
which	O
is	O
presented	O
on	O
the	O
title	O
screen	O
.	O
</s>
<s>
It	O
was	O
later	O
included	O
on	O
the	O
Japanese	O
version	O
of	O
the	O
Sega	B-Application
Genesis	I-Application
Mini	I-Application
in	O
2019	O
.	O
</s>
<s>
TV	O
Play	O
Classic	O
plug	B-Device
and	I-Device
play	I-Device
game	I-Device
series	O
by	O
Bandai	O
,	O
the	O
original	O
Japanese	O
version	O
and	O
a	O
new	O
version	O
titled	O
Slap	B-Application
Fight	I-Application
Tiger	O
were	O
included	O
.	O
</s>
<s>
In	O
this	O
version	O
,	O
players	O
control	O
the	O
titular	O
attack	O
helicopter	B-Application
from	O
Tiger-Heli	B-Application
instead	O
of	O
the	O
SW475	O
,	O
while	O
the	O
laser	O
is	O
changed	O
to	O
fire	O
a	O
three-way	O
spread	O
shot	O
and	O
new	O
enemies	O
such	O
as	O
the	O
aliens	O
from	O
Space	B-Application
Invaders	I-Application
are	O
introduced	O
.	O
</s>
<s>
Slap	B-Application
Fight	I-Application
is	O
planned	O
to	O
be	O
included	O
as	O
part	O
of	O
the	O
Toaplan	O
Arcade	B-Application
1	O
compilation	O
for	O
Evercade	B-Application
.	O
</s>
<s>
Reception	O
Review	O
scores	O
Publication	O
Scores	O
CPC	B-Device
C64	O
Thomson	B-Device
ZXS	B-Operating_System
ST	B-Device
SMD	B-Operating_System
ACE	O
568/1000	O
ASM	O
10/12	O
Amstar	O
12/20	O
Amstrad	O
Action	O
76%69%	O
Arcades	O
15/20	O
Atari	B-Device
ST	I-Device
User	O
5/10	O
Beep	O
!	O
</s>
<s>
According	O
to	O
Tatsuya	O
Uemura	O
,	O
not	O
many	O
arcade	B-Application
boards	O
were	O
produced	O
for	O
Slap	B-Application
Fight	I-Application
in	O
Japan	O
but	O
proved	O
to	O
be	O
popular	O
among	O
players	O
.	O
</s>
<s>
Japanese	O
magazine	O
Game	O
Machine	O
listed	O
it	O
on	O
their	O
1	O
September	O
1986	O
issue	O
as	O
being	O
the	O
seventh	O
most-successful	O
table	O
arcade	B-Application
unit	O
of	O
the	O
month	O
,	O
outperforming	O
titles	O
such	O
as	O
Ikari	B-Application
Warriors	I-Application
and	O
Gradius	B-Application
.	O
</s>
<s>
According	O
to	O
Masahiro	O
Yuge	O
,	O
some	O
of	O
the	O
ideas	O
implemented	O
in	O
Slap	B-Application
Fight	I-Application
would	O
later	O
go	O
on	O
to	O
influence	O
development	O
of	O
Truxton	B-Application
.	O
</s>
<s>
A	O
spiritual	O
successor	O
,	O
Grind	B-Application
Stormer	I-Application
(	O
1993	O
)	O
,	O
uses	O
a	O
weapon	O
power-up	O
system	O
reminiscent	O
of	O
Slap	B-Application
Fight	I-Application
.	O
</s>
<s>
In	O
more	O
recent	O
years	O
,	O
the	O
rights	O
to	O
the	O
game	O
and	O
many	O
other	O
IPs	O
from	O
Toaplan	O
are	O
now	O
owned	O
by	O
Tatsujin	B-Application
,	O
a	O
company	O
named	O
after	O
Truxtons	B-Application
Japanese	O
title	O
that	O
was	O
founded	O
in	O
2017	O
by	O
Yuge	O
,	O
who	O
are	O
affiliated	O
with	O
arcade	B-Application
manufacturer	O
exA-Arcadia	O
.	O
</s>
