<s>
is	O
a	O
scrolling	O
shooter	O
arcade	B-Application
video	I-Application
game	I-Application
developed	O
by	O
TOSE	O
.	O
</s>
<s>
It	O
was	O
released	O
by	O
SNK	O
in	O
Japan	O
and	O
Europe	O
in	B-Application
1981	I-Application
,	O
and	O
licensed	O
to	O
Centuri	O
for	O
manufacture	O
in	O
North	O
America	O
in	O
October	O
and	O
to	O
Zaccaria	B-Application
in	O
Italy	O
the	O
same	O
year	O
.	O
</s>
<s>
Cinematronics	O
converted	O
the	O
game	O
to	O
cocktail	O
arcade	B-Application
cabinets	O
in	O
North	O
America	O
.	O
</s>
<s>
Atari	O
,	O
Inc	O
.	O
released	O
a	O
port	O
for	O
their	O
Atari	B-General_Concept
2600	I-General_Concept
console	O
in	O
1982	O
and	O
the	O
Atari	B-General_Concept
5200	I-General_Concept
in	O
1983	O
.	O
</s>
<s>
Vanguard	B-Application
II	I-Application
,	O
an	O
arcade	B-Application
sequel	O
with	O
top-down	O
,	O
multidirectional	O
scrolling	O
,	O
and	O
gameplay	O
similar	O
to	O
Time	B-Application
Pilot	I-Application
'	I-Application
84	I-Application
,	O
remained	O
obscure	O
.	O
</s>
<s>
Vanguard	B-Application
is	O
similar	O
to	O
Scramble	B-Application
,	O
in	O
that	O
the	O
player	O
controls	O
a	O
ship	O
which	O
automatically	O
flies	O
forward	O
through	O
scrolling	O
levels	O
.	O
</s>
<s>
Unlike	O
Scramble	B-Application
,	O
fuel	O
is	O
replenished	O
by	O
destroying	O
enemies	O
,	O
so	O
running	O
out	O
of	O
fuel	O
is	O
less	O
common	O
.	O
</s>
<s>
Some	O
portions	O
of	O
Vanguard	B-Application
scroll	O
vertically	O
,	O
horizontally	O
or	O
diagonally	O
.	O
</s>
<s>
Vanguard	B-Application
uses	O
a	O
number	O
of	O
custom	O
sound	O
chips	O
to	O
produce	O
digitized	O
voices	O
and	O
custom	O
synthesizer	O
sounds	O
.	O
</s>
<s>
Theme	O
music	O
composed	O
by	O
Jerry	O
Goldsmith	O
for	O
the	O
1979	O
sci-fi	O
film	O
Star	B-Operating_System
Trek	I-Operating_System
:	I-Operating_System
The	I-Operating_System
Motion	I-Operating_System
Picture	I-Operating_System
,	O
later	O
utilized	O
for	O
Star	B-Application
Trek	I-Application
:	I-Application
The	I-Application
Next	I-Application
Generation	I-Application
,	O
is	O
borrowed	O
as	O
Vanguard	B-Application
's	O
introductory	O
theme	O
.	O
</s>
<s>
Atari	O
,	O
Inc	O
.	O
released	O
ports	O
of	O
Vanguard	B-Application
for	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
in	O
1982	O
and	O
the	O
Atari	B-General_Concept
5200	I-General_Concept
in	O
1983	O
.	O
</s>
<s>
The	O
Atari	B-General_Concept
2600	I-General_Concept
version	O
was	O
programmed	O
by	O
Dave	O
Payne	O
.	O
</s>
<s>
Vanguard	B-Application
was	O
the	O
top-grossing	O
video	O
game	O
on	O
the	O
US	O
Play	O
Meter	O
arcade	B-Application
charts	O
in	O
December	O
1981	O
.	O
</s>
<s>
The	O
Atari	B-General_Concept
2600	I-General_Concept
version	O
of	O
Vanguard	B-Application
was	O
the	O
21st	O
best-selling	O
Atari	O
cartridge	O
of	O
all	O
time	O
.	O
</s>
<s>
The	O
Atari	B-General_Concept
2600	I-General_Concept
version	O
of	O
Vanguard	B-Application
was	O
reviewed	O
by	O
Video	O
magazine	O
in	O
its	O
"	O
Arcade	B-Application
Alley	O
"	O
column	O
where	O
it	O
was	O
described	O
as	O
"	O
a	O
marvelous	O
home-arcade	O
translation	O
"	O
of	O
the	O
original	O
arcade	B-Application
version	O
.	O
</s>
<s>
Note	O
was	O
also	O
made	O
of	O
the	O
fact	O
that	O
this	O
version	O
of	O
Vanguard	B-Application
marked	O
the	O
first	O
time	O
a	O
continued	O
play	O
option	O
was	O
offered	O
in	O
a	O
game	O
cartridge	O
.	O
</s>
<s>
The	O
Atari	B-General_Concept
5200	I-General_Concept
version	O
was	O
rated	O
B+	O
by	O
Raymond	O
Dimetrosky	O
of	O
Video	O
Games	O
Player	O
magazine	O
,	O
stating	O
that	O
it	O
is	O
"	O
a	O
lot	O
of	O
fun	O
"	O
but	O
has	O
worse	O
controls	O
than	O
the	O
Atari	B-General_Concept
VCS	I-General_Concept
version	O
.	O
</s>
<s>
Vanguard	B-Application
was	O
followed	O
by	O
a	O
less	O
successful	O
arcade	B-Application
sequel	O
in	O
1984	O
,	O
Vanguard	B-Application
II	I-Application
,	O
which	O
has	O
top-down	O
gameplay	O
similar	O
to	O
that	O
of	O
Time	B-Application
Pilot	I-Application
'	I-Application
84	I-Application
.	O
</s>
<s>
Game	O
Machine	O
listed	O
the	O
sequel	O
on	O
their	O
May	O
1	O
,	O
1984	O
issue	O
as	O
being	O
the	O
twenty-second	O
most-successful	O
table	O
arcade	B-Application
unit	O
of	O
the	O
month	O
.	O
</s>
<s>
NXIVM	O
cult	O
leader	O
Keith	O
Raniere	O
,	O
who	O
enjoyed	O
playing	O
this	O
game	O
,	O
used	O
"	O
Vanguard	B-Application
"	O
as	O
his	O
title	O
within	O
the	O
organization	O
.	O
</s>
