<s>
Colony	B-Application
7	I-Application
is	O
an	O
arcade	O
shoot	O
'	O
em	O
up	O
developed	O
and	O
published	O
by	O
Taito	O
's	O
American	O
division	O
in	O
1981	O
.	O
</s>
<s>
It	O
contains	O
elements	O
of	O
both	O
Space	B-Application
Invaders	I-Application
(	O
developed	O
by	O
Taito	O
of	O
Japan	O
)	O
and	O
Atari	O
,	O
Inc.	O
'	O
s	O
Missile	B-Application
Command	I-Application
.	O
</s>
<s>
Colony	B-Application
7	I-Application
was	O
the	O
inspiration	O
for	O
the	O
successful	O
Atari	B-General_Concept
2600	I-General_Concept
game	O
Atlantis	B-Application
from	O
Imagic	O
.	O
</s>
<s>
The	O
main	O
innovation	O
of	O
Colony	B-Application
7	I-Application
was	O
its	O
extended	O
weaponry	O
arsenal	O
.	O
</s>
