<s>
It	O
was	O
originally	O
published	O
in	O
1985	B-Application
for	O
the	O
PC-8801	B-Device
,	O
FM-7	B-Device
,	O
X1	B-Device
,	O
and	O
MSX	B-Operating_System
personal	O
computer	O
systems	O
.	O
</s>
<s>
The	O
player	O
takes	O
the	O
role	O
of	O
a	O
young	O
soldier	O
who	O
was	O
stationed	O
with	O
the	O
Rayieza	O
unit	O
on	O
the	O
planet	O
Mars	B-Application
.	O
</s>
<s>
The	O
main	O
character	O
was	O
originally	O
stationed	O
in	O
Mars	B-Application
,	O
but	O
lost	O
most	O
of	O
his	O
comrades	O
in	O
the	O
battle	O
against	O
the	O
aliens	O
and	O
makes	O
his	O
way	O
back	O
to	O
Earth	O
with	O
the	O
only	O
other	O
surviving	O
member	O
,	O
Blue	O
.	O
</s>
<s>
In	O
the	O
PC-8801	B-Device
version	O
,	O
his	O
default	O
name	O
is	O
.	O
</s>
<s>
The	O
theme	O
song	O
for	O
The	B-Application
Earth	I-Application
Fighter	I-Application
Rayieza	I-Application
was	O
included	O
in	O
an	O
album	O
titled	O
"	O
Enix	O
Game	O
Music	O
"	O
.	O
</s>
