<s>
Stargate	B-Application
is	O
a	O
side-scrolling	O
shooter	O
game	O
released	O
for	O
arcades	O
in	O
1981	O
by	O
Williams	O
Electronics	O
.	O
</s>
<s>
Created	O
by	O
Eugene	O
Jarvis	O
and	O
Larry	O
DeMar	O
,	O
it	O
is	O
a	O
sequel	O
to	O
Defender	B-Application
which	O
was	O
released	O
earlier	O
in	O
the	O
year	O
.	O
</s>
<s>
Some	O
of	O
home	O
ports	O
of	O
Stargate	B-Application
were	O
renamed	O
to	O
Defender	B-Application
II	I-Application
for	O
legal	O
reasons	O
.	O
</s>
<s>
The	O
Defender	B-Application
ship	O
is	O
now	O
equipped	O
with	O
an	O
Inviso	O
cloaking	O
device	O
,	O
which	O
renders	O
the	O
ship	O
invulnerable	O
when	O
activated	O
,	O
but	O
has	O
a	O
limited	O
charge	O
.	O
</s>
<s>
A	O
Stargate	B-Application
transports	O
the	O
ship	O
to	O
any	O
humanoid	O
in	O
trouble	O
.	O
</s>
<s>
As	O
in	O
Defender	B-Application
,	O
at	O
9	O
,	O
990	O
,	O
000	O
,	O
the	O
same	O
bonuses	O
are	O
given	O
per	O
enemy	O
destroyed	O
.	O
</s>
<s>
The	O
control	O
system	O
of	O
Stargate	B-Application
expands	O
on	O
that	O
of	O
the	O
Defender	B-Application
arcade	B-Application
game	O
.	O
</s>
<s>
A	O
central	O
feature	O
of	O
the	O
gamefield	O
is	O
the	O
Stargate	B-Application
itself	O
,	O
represented	O
by	O
a	O
series	O
of	O
concentric	O
rectangles	O
.	O
</s>
<s>
The	O
operation	O
of	O
the	O
Stargate	B-Application
depends	O
on	O
the	O
current	O
game	O
conditions	O
.	O
</s>
<s>
If	O
a	O
Lander	O
is	O
in	O
the	O
process	O
of	O
abducting	O
a	O
Humanoid	O
,	O
flying	O
into	O
the	O
Stargate	B-Application
will	O
teleport	O
the	O
ship	O
to	O
where	O
the	O
Humanoid	O
is	O
under	O
attack	O
.	O
</s>
<s>
Otherwise	O
,	O
entering	O
the	O
Stargate	B-Application
will	O
teleport	O
the	O
ship	O
to	O
the	O
opposite	O
side	O
of	O
the	O
planet	O
.	O
</s>
<s>
If	O
the	O
ship	O
is	O
carrying	O
at	O
least	O
four	O
humanoids	O
,	O
entering	O
the	O
Stargate	B-Application
will	O
"	O
warp	O
"	O
the	O
game	O
ahead	O
three	O
levels	O
.	O
</s>
<s>
Warping	O
is	O
only	O
allowed	O
in	O
the	O
first	O
10	O
levels	O
and	O
can	O
be	O
avoided	O
(	O
if	O
desired	O
)	O
by	O
flying	O
into	O
the	O
Stargate	B-Application
in	O
reverse	O
so	O
a	O
player	O
can	O
instead	O
continue	O
in	O
the	O
current	O
level	O
.	O
</s>
<s>
Ports	O
of	O
Stargate	B-Application
were	O
being	O
developed	O
for	O
the	O
Atari	B-General_Concept
5200	I-General_Concept
console	O
and	O
the	O
Atari	B-Device
8-bit	I-Device
family	I-Device
of	O
computers	O
by	O
Atari	O
,	O
Inc	O
.	O
programmer	O
Steve	O
Baker	O
in	O
1984	O
.	O
</s>
<s>
The	O
game	O
was	O
also	O
ported	O
to	O
the	O
Commodore	O
64	O
,	O
Apple	B-Device
II	I-Device
,	O
and	O
IBM	B-Device
PC	I-Device
.	O
</s>
<s>
The	O
Family	O
Computer	O
port	O
developed	O
by	O
HAL	O
(	O
renamed	O
Star	O
Gate	O
,	O
later	O
named	O
Defender	B-Application
II	I-Application
for	O
US	O
release	O
)	O
seems	O
to	O
be	O
related	O
to	O
their	O
Millipede	B-Application
(	O
renamed	O
Milli-Pede	O
,	O
later	O
named	O
back	O
to	O
Millipede	B-Application
for	O
US	O
release	O
)	O
and	O
Joust	B-Application
ports	O
,	O
as	O
well	O
as	O
Mike	B-Application
Tyson	I-Application
's	I-Application
Punch-Out	I-Application
!	I-Application
</s>
<s>
In	O
particular	O
,	O
the	O
title	O
jingle	O
for	O
Milli-Pede/Star	O
Gate/Joust	O
are	O
almost	O
identical	O
,	O
the	O
music	O
played	O
when	O
Star	O
Gate	O
begins	O
is	O
a	O
longer	O
version	O
of	O
the	O
opponent	O
entrance	O
music	O
within	O
Punch-Out	O
!	O
</s>
<s>
The	O
Defender	B-Application
II	I-Application
name	O
was	O
used	O
in	O
some	O
home	O
releases	O
,	O
due	O
to	O
legal	O
issues	O
(	O
according	O
to	O
the	O
bonus	O
material	O
for	O
Midway	B-Application
Arcade	I-Application
Treasures	I-Application
,	O
Williams	O
wanted	O
to	O
"	O
make	O
sure	O
they	O
could	O
own	O
the	O
trademark	O
"	O
on	O
the	O
Defender	B-Application
name	O
)	O
.	O
</s>
<s>
The	O
name	O
Defender	B-Application
II	I-Application
has	O
been	O
used	O
on	O
many	O
home	O
ports	O
and	O
game	O
compilation	O
appearances	O
,	O
but	O
not	O
in	O
arcades	O
.	O
</s>
<s>
The	O
Atari	B-General_Concept
2600	I-General_Concept
port	O
was	O
originally	O
sold	O
as	O
Stargate	B-Application
,	O
but	O
was	O
renamed	O
to	O
Defender	B-Application
II	I-Application
for	O
a	O
later	O
re-release	O
.	O
</s>
<s>
Computer	O
and	O
Video	O
Games	O
scored	O
the	O
Atari	B-General_Concept
VCS	I-General_Concept
version	O
89%	O
in	O
1989	O
.	O
</s>
<s>
In	O
1996	O
,	O
GamesMaster	O
ranked	O
the	O
arcade	B-Application
version	O
82nd	O
on	O
their	O
"	O
Top	O
100	O
Games	O
of	O
All	O
Time.	O
"	O
</s>
<s>
In	O
July	O
2000	O
,	O
Midway	O
licensed	O
Defender	B-Application
II	I-Application
,	O
along	O
with	O
other	O
Williams	O
Electronics	O
games	O
,	O
to	O
Shockwave	B-Operating_System
for	O
use	O
in	O
an	O
online	O
applet	O
to	O
demonstrate	O
the	O
power	O
of	O
the	O
Shockwave	B-Operating_System
web	O
content	O
platform	O
,	O
entitled	O
Shockwave	B-Operating_System
Arcade	B-Application
Collection	O
.	O
</s>
<s>
It	O
is	O
currently	O
not	O
freely	O
available	O
to	O
be	O
played	O
within	O
the	O
shockwave	B-Operating_System
web	O
applet	O
.	O
</s>
<s>
As	O
Defender	B-Application
II	I-Application
,	O
the	O
game	O
is	O
included	O
in	O
the	O
2012	O
compilation	O
Midway	B-Application
Arcade	I-Application
Origins	I-Application
.	O
</s>
<s>
A	O
Stargate	B-Application
machine	O
is	O
featured	O
in	O
the	O
3rd-season	O
episode	O
"	O
Arcade	B-Application
"	O
of	O
the	O
TV	O
comedy	O
series	O
NewsRadio	O
,	O
in	O
which	O
it	O
was	O
referred	O
to	O
as	O
"	O
Stargate	B-Application
Defender	I-Application
"	O
.	O
</s>
<s>
Stargate	B-Application
and	O
its	O
predecessor	O
Defender	B-Application
are	O
featured	O
as	O
plot	O
points	O
in	O
the	O
podcast	O
Rabbits	O
.	O
</s>
<s>
Stargate	B-Application
also	O
appeared	O
in	O
the	O
1983	O
movie	O
Strange	O
Invaders	O
.	O
</s>
