<s>
It	O
is	O
the	O
third	O
game	O
in	O
the	O
Galaxian	O
series	O
,	O
serving	O
as	O
a	O
direct	O
sequel	O
to	O
Galaga	B-Application
(	O
1981	O
)	O
.	O
</s>
<s>
In	O
North	O
America	O
,	O
a	O
modification	O
kit	O
was	O
later	O
released	O
to	O
change	O
the	O
name	O
to	O
Galaga	B-Application
3	I-Application
,	O
possibly	O
to	O
reflect	O
its	O
position	O
in	O
the	O
series	O
.	O
</s>
<s>
It	O
was	O
the	O
only	O
game	O
other	O
than	O
Phozon	B-Application
to	O
run	O
on	O
the	O
Namco	O
Phozon	B-Application
hardware	O
.	O
</s>
<s>
A	O
"	O
demastered	O
"	O
version	O
of	O
the	O
game	O
(	O
in	O
the	O
style	O
of	O
the	O
Nintendo	O
Entertainment	O
System	O
)	O
was	O
included	O
in	O
Namco	B-Device
Museum	I-Device
Archives	O
Vol	O
.	O
</s>
<s>
The	O
objective	O
of	O
Gaplus	B-Application
is	O
to	O
score	O
as	O
many	O
points	O
as	O
possible	O
by	O
defeating	O
successive	O
waves	O
of	O
enemies	O
in	O
levels	O
called	O
"	O
Parsecs	O
"	O
.	O
</s>
<s>
Its	O
core	O
gameplay	O
is	O
very	O
similar	O
to	O
Galaga	B-Application
:	O
Enemies	O
fly	O
onto	O
the	O
screen	O
in	O
rows	O
and	O
join	O
a	O
formation	O
near	O
the	O
top	O
,	O
then	O
begin	O
attacking	O
the	O
player	O
's	O
ship	O
with	O
kamikaze-like	O
dives	O
.	O
</s>
<s>
Bonus	O
lives	O
are	O
earned	O
at	O
certain	O
score	O
intervals	O
,	O
and	O
can	O
also	O
be	O
gained	O
by	O
collecting	O
ship	O
parts	O
dropped	O
by	O
some	O
enemies	O
,	O
as	O
well	O
as	O
collecting	O
Rally-X	B-Application
bonus	O
flags	O
from	O
shooting	O
stars	O
.	O
</s>
<s>
The	O
game	O
features	O
bonus	O
"	O
Challenging	O
Stages	O
"	O
just	O
as	O
Galaga	B-Application
did	O
.	O
</s>
<s>
However	O
,	O
instead	O
of	O
defeating	O
a	O
certain	O
number	O
of	O
enemies	O
,	O
the	O
objective	O
of	O
the	O
challenging	O
stage	O
in	O
Gaplus	B-Application
is	O
to	O
juggle	O
enemies	O
by	O
hitting	O
them	O
as	O
many	O
times	O
as	O
possible	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Game	O
Machine	O
listed	O
Gaplus	B-Application
on	O
their	O
May	B-Application
15	I-Application
,	I-Application
1984	I-Application
issue	O
as	O
being	O
the	O
most-successful	O
table	O
arcade	O
unit	O
of	O
the	O
month	O
.	O
</s>
<s>
The	O
arcade	O
version	O
of	O
Gaplus	B-Application
was	O
released	O
on	O
mobile	O
phones	O
,	O
and	O
is	O
also	O
part	O
of	O
Namco	B-Application
Museum	I-Application
Remix	I-Application
(	O
2007	O
)	O
and	O
Namco	B-Device
Museum	I-Device
Megamix	I-Device
(	O
2010	O
)	O
for	O
the	B-Operating_System
Wii	I-Operating_System
with	O
its	O
original	O
title	O
being	O
used	O
.	O
</s>
<s>
The	O
original	O
version	O
was	O
later	O
re-released	O
under	O
its	O
original	O
name	O
for	O
the	B-Operating_System
Wii	I-Operating_System
Virtual	O
Console	O
on	O
March	O
25	O
,	O
2009	O
.	O
</s>
<s>
In	O
2011	O
,	O
Gaplus	B-Application
was	O
released	O
for	O
iOS	B-Application
devices	O
as	O
part	O
of	O
Galaga	B-Application
30th	I-Application
Collection	I-Application
,	O
featuring	O
updated	O
visuals	O
,	O
sound	O
,	O
and	O
achievements	O
.	O
</s>
<s>
In	O
2020	O
,	O
Namco	O
released	O
a	O
"	O
demastered	O
"	O
version	O
of	O
the	O
game	O
as	O
a	O
bonus	O
game	O
in	O
the	O
Namco	B-Device
Museum	I-Device
Archives	O
Vol	O
.	O
</s>
<s>
Developed	O
by	O
M2	O
,	O
this	O
game	O
emulates	O
the	O
visual	O
style	O
of	O
the	O
Nintendo	O
Entertainment	O
System	O
,	O
similar	O
to	O
the	O
NES-style	O
remake	O
of	O
Pac-Man	B-Application
Championship	I-Application
Edition	I-Application
in	O
Vol	O
.	O
</s>
