<s>
is	O
an	O
unreleased	O
1991	O
basketball	B-Application
arcade	O
video	O
game	O
that	O
was	O
in	O
development	O
and	O
planned	O
to	O
be	O
published	O
by	O
Sammy	O
for	O
the	O
arcade	O
Neo	B-Application
Geo	I-Application
MVS	I-Application
and	O
Neo	B-Application
Geo	I-Application
AES	I-Application
home	O
console	O
.	O
</s>
<s>
Had	O
it	O
been	O
launched	O
before	O
Street	B-Application
Slam	I-Application
,	O
it	O
would	O
have	O
become	O
the	O
first	O
basketball	B-Application
title	O
for	O
the	O
Neo	B-Operating_System
Geo	I-Operating_System
platforms	O
.	O
</s>
<s>
Featuring	O
arcade-style	O
gameplay	O
,	O
players	O
compete	O
with	O
either	O
AI-controlled	O
opponents	O
or	O
against	O
other	O
players	O
in	O
versus	O
matches	O
on	O
the	O
game	O
.	O
</s>
<s>
Although	O
previewed	O
across	O
a	O
few	O
video	O
game	O
magazines	O
,	O
in	O
addition	O
to	O
being	O
showcased	O
to	O
attendees	O
at	O
various	O
trade	O
shows	O
,	O
Dunk	B-Application
Star	I-Application
was	O
ultimately	O
shelved	O
for	O
unknown	O
reasons	O
.	O
</s>
<s>
Dunk	B-Application
Star	I-Application
is	O
a	O
five-on-five	O
street	O
basketball	B-Application
game	O
reminiscent	O
of	O
Ultimate	B-Application
Basketball	I-Application
,	O
where	O
players	O
take	O
control	O
of	O
any	O
of	O
the	O
available	O
teams	O
to	O
participate	O
in	O
a	O
series	O
of	O
matches	O
with	O
either	O
AI-controlled	O
opponents	O
or	O
against	O
other	O
players	O
.	O
</s>
<s>
Though	O
similar	O
to	O
other	O
realistic	O
basketball	B-Application
in	O
terms	O
of	O
playability	O
and	O
controls	O
,	O
the	O
game	O
provides	O
a	O
faster	O
pace	O
.	O
</s>
<s>
Players	O
can	O
switch	O
between	O
both	O
characters	O
on	O
their	O
team	O
when	O
using	O
an	O
AI	B-Application
teammate	O
.	O
</s>
<s>
A	O
game	B-Application
over	I-Application
occurs	O
once	O
the	O
timer	O
runs	O
out	O
and	O
the	O
player	O
with	O
the	O
highest	O
score	O
wins	O
the	O
match	O
unless	O
players	O
insert	O
more	O
credits	O
into	O
the	O
arcade	O
machine	O
to	O
continue	O
playing	O
.	O
</s>
<s>
Dunk	B-Application
Star	I-Application
was	O
the	O
first	O
project	O
to	O
be	O
developed	O
by	O
Sammy	O
for	O
the	O
Neo	B-Operating_System
Geo	I-Operating_System
and	O
would	O
have	O
been	O
the	O
first	O
basketball	B-Application
release	O
for	O
the	O
platforms	O
.	O
</s>
<s>
The	O
game	O
was	O
first	O
showcased	O
publicly	O
in	O
a	O
playable	O
state	O
to	O
attendees	O
of	O
the	O
Summer	O
Consumer	O
Electronics	O
Show	O
in	O
June	O
1991	O
at	O
SNK	O
's	O
booth	O
alongside	O
other	O
then-upcoming	O
titles	O
for	O
the	O
Neo	B-Operating_System
Geo	I-Operating_System
such	O
as	O
Blue	B-Application
's	I-Application
Journey	I-Application
by	O
Alpha	O
Denshi	O
and	O
Legend	B-Application
of	I-Application
Success	I-Application
Joe	I-Application
by	O
Wave	O
Corporation	O
,	O
among	O
others	O
displayed	O
at	O
the	O
showfloor	O
.	O
</s>
<s>
Despite	O
Dunk	B-Application
Star	I-Application
being	O
previewed	O
in	O
magazines	O
such	O
as	O
Gamest	O
and	O
demoed	O
across	O
various	O
trade	O
shows	O
,	O
it	O
was	O
ultimately	O
shelved	O
for	O
unknown	O
reasons	O
,	O
however	O
several	O
possible	O
factors	O
have	O
been	O
given	O
as	O
to	O
why	O
the	O
title	O
was	O
never	O
released	O
in	O
recent	O
years	O
,	O
though	O
Sammy	O
would	O
later	O
publish	O
a	O
game	O
called	O
Super	O
Dunk	B-Application
Star	I-Application
for	O
the	O
Super	B-Application
Famicom	I-Application
on	O
April	O
28	O
,	O
1993	O
,	O
in	O
Japan	O
,	O
sharing	O
various	O
similarities	O
with	O
the	O
unreleased	O
title	O
.	O
</s>
<s>
The	O
only	O
known	O
gameplay	O
footage	O
of	O
the	O
project	O
was	O
featured	O
on	O
a	O
1996	O
VHS	O
tape	O
sent	O
to	O
subscribers	O
of	O
the	O
Neo	B-Operating_System
Geo	I-Operating_System
DHP	O
mailing	O
list	O
called	O
Neo	B-Operating_System
Geo	I-Operating_System
Collector	O
's	O
Tape	O
.	O
</s>
<s>
Between	O
2002	O
and	O
2005	O
,	O
emulated	B-Application
screenshots	O
from	O
a	O
prototype	O
cartridge	O
also	O
surfaced	O
online	O
,	O
indicating	O
that	O
the	O
ROM	B-General_Concept
image	I-General_Concept
of	O
the	O
game	O
has	O
been	O
preserved	O
but	O
not	O
made	O
widely	O
available	O
to	O
public	O
.	O
</s>
