<s>
is	O
an	O
arcade	B-Application
video	I-Application
game	I-Application
developed	O
by	O
Konami	O
and	O
released	O
in	O
1983	O
.	O
</s>
<s>
Juno	B-Application
First	I-Application
is	O
a	O
fixed	O
shooter	O
with	O
a	O
slightly	O
tilted	O
perspective	O
,	O
similar	O
to	O
Nintendo	O
's	O
Radar	B-Application
Scope	I-Application
from	O
1980	O
.	O
</s>
<s>
The	O
game	O
was	O
ported	O
to	O
the	O
Commodore	O
64	O
,	O
Atari	B-Device
8-bit	I-Device
family	I-Device
,	O
MSX	B-Operating_System
,	O
IBM	B-Device
PC	I-Device
,	O
and	O
IBM	B-Device
PCjr	I-Device
.	O
</s>
<s>
Juno	B-Application
First	I-Application
presents	O
a	O
set	O
number	O
of	O
enemies	O
per	O
level	O
,	O
but	O
they	O
do	O
not	O
make	O
a	O
gallery	O
formation	O
like	O
Galaga	B-Application
or	O
Space	B-Application
Invaders	I-Application
.	O
</s>
<s>
This	O
style	O
of	O
gameplay	O
would	O
be	O
re-used	O
in	O
a	O
later	O
Konami	O
shooter	O
,	O
Axelay	B-Application
.	O
</s>
<s>
Juno	B-Application
First	I-Application
was	O
first	O
ported	O
in	O
the	O
western	O
market	O
to	O
the	O
Commodore	O
64	O
in	O
1983	O
.	O
</s>
<s>
In	O
1984	O
,	O
Atari	B-Device
8-bit	I-Device
family	I-Device
and	O
IBM	O
PC/IBM	O
PCjr	O
conversions	O
were	O
also	O
released	O
.	O
</s>
<s>
All	O
of	O
these	O
ports	O
were	O
handled	O
by	O
Datasoft	B-Application
.	O
</s>
<s>
In	O
Japan	O
,	O
Sony	O
released	O
a	O
conversion	O
of	O
Juno	B-Application
First	I-Application
in	O
1983	O
for	O
MSX	B-Operating_System
computers	O
.	O
</s>
<s>
This	O
version	O
soon	O
made	O
its	O
way	O
to	O
other	O
MSX	B-Operating_System
markets	O
as	O
well	O
.	O
</s>
<s>
An	O
unofficial	O
hobbyist	O
port	O
—	O
with	O
the	O
same	O
name	O
as	O
the	O
original	O
—	O
was	O
made	O
available	O
for	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
.	O
</s>
