<s>
The	O
game	O
was	O
released	O
exclusively	O
in	O
Japan	O
on	O
April	O
26	O
,	O
1991	B-Application
.	O
</s>
<s>
The	O
title	O
of	O
the	O
game	O
references	O
Lagrangian	B-Application
points	I-Application
,	O
the	O
five	O
positions	O
in	O
space	O
where	O
a	O
body	O
of	O
negligible	O
mass	O
could	O
be	O
placed	O
which	O
would	O
then	O
maintain	O
its	O
position	O
relative	O
to	O
two	O
existing	O
massive	O
bodies	O
.	O
</s>
<s>
Lagrange	B-Application
Point	I-Application
has	O
the	O
distinction	O
of	O
being	O
one	O
of	O
only	O
two	O
games	O
ever	O
released	O
with	O
Konami	O
's	O
Virtual	O
ROM	O
Controller	O
VII	O
(	O
VRC7	O
)	O
sound	O
generator	O
integrated	O
circuit	O
,	O
which	O
allowed	O
for	O
a	O
drastic	O
improvement	O
in	O
the	O
quality	O
of	O
the	O
music	O
and	O
sound	O
effects	O
used	O
in	O
the	O
game	O
.	O
</s>
<s>
Constructed	O
at	O
a	O
Lagrange	B-Application
point	I-Application
were	O
three	O
huge	O
space	O
colonies	O
:	O
the	O
Isis	O
Cluster	O
;	O
two	O
artificial	O
biospheres	O
,	O
named	O
Land-1	O
and	O
Land-2	O
,	O
and	O
a	O
satellite	O
.	O
</s>
