<s>
is	O
an	O
on-rail	O
3D	O
shoot-	O
'	O
em-up	O
produced	O
by	O
Konami	O
that	O
was	O
released	O
for	O
the	O
Family	B-Device
Computer	I-Device
Disk	I-Device
System	I-Device
in	O
1987	B-Application
.	O
</s>
<s>
It	O
is	O
one	O
of	O
the	O
few	O
games	O
compatible	O
with	O
the	O
Famicom	B-Algorithm
3D	I-Algorithm
System	I-Algorithm
peripheral	O
.	O
</s>
<s>
However	O
,	O
the	O
new	O
technology	O
proves	O
hard	O
to	O
control	O
,	O
and	O
only	O
one	O
of	O
the	O
ships	O
manages	O
to	O
survive	O
the	O
trip	O
:	O
the	O
protagonist	O
's	O
ship	O
,	O
named	O
Falsion	B-Device
.	O
</s>
<s>
The	O
story	O
of	O
the	O
game	O
itself	O
deals	O
with	O
the	O
Falsion'''s	O
attack	O
on	O
the	O
alien	O
forces	O
,	O
and	O
its	O
eventual	O
victory	O
over	O
the	O
alien	O
mothership	O
,	O
called	O
"	O
Gigantos	O
"	O
,	O
which	O
serves	O
as	O
the	O
game	O
's	O
final	O
boss	O
.	O
</s>
<s>
The	O
game	O
is	O
a	O
shoot	O
'	O
em	O
up	O
in	O
which	O
the	O
player	O
controls	O
the	O
movements	O
of	O
a	O
flying	O
space	O
ship	O
,	O
called	O
the	O
Falsion	B-Device
,	O
while	O
simultaneously	O
shooting	O
enemy	O
ships	O
and	O
trying	O
to	O
avoid	O
their	O
attacks	O
.	O
</s>
<s>
In	O
a	O
manner	O
that	O
has	O
been	O
compared	O
to	O
games	O
like	O
Space	B-Application
Harrier	I-Application
and	O
Star	B-Application
Fox	I-Application
,	O
the	O
player	O
's	O
perspective	O
is	O
from	O
the	O
third	O
person	O
,	O
behind	O
the	O
space	O
ship	O
,	O
as	O
it	O
goes	O
forward	O
.	O
</s>
<s>
Atari	O
HQ	O
praised	O
Falsion	B-Device
's	O
fluidity	O
and	O
called	O
its	O
3D	O
mode	O
a	O
great	O
experience	O
,	O
saying	O
the	O
game	O
is	O
a	O
"	O
must-get	O
"	O
.	O
</s>
<s>
Another	O
reviewer	O
found	O
the	O
depth	O
perception	O
confusing	O
and	O
while	O
they	O
praised	O
the	O
game	O
's	O
music	O
and	O
said	O
this	O
was	O
the	O
best	O
Famicom	B-Algorithm
3D	I-Algorithm
System	I-Algorithm
title	O
,	O
it	O
remained	O
"	O
a	O
pain	O
to	O
play	O
"	O
.	O
</s>
<s>
Despite	O
the	O
similarity	O
in	O
name	O
,	O
the	O
"	O
Falchion	O
β	O
"	O
ship	O
in	O
Gradius	O
Gaiden''	O
is	O
not	O
based	O
on	O
the	O
"	O
Falsion	B-Device
"	O
ship	O
featured	O
in	O
this	O
game	O
.	O
</s>
