<s>
Global	B-Application
Defence	I-Application
Force	I-Application
is	O
a	O
PlayStation	B-Device
2	I-Device
third-person	O
shooter	O
video	O
game	O
developed	O
by	O
Sandlot	O
.	O
</s>
<s>
The	O
game	O
was	O
originally	O
published	O
as	O
The	O
Chikyū	B-Application
Bōeigun	I-Application
2	I-Application
in	O
Japan	O
by	O
D3	O
Publisher	O
,	O
as	O
volume	O
81	O
of	O
the	O
Simple	O
2000	O
series	O
of	O
budget	O
games	O
.	O
</s>
<s>
Players	O
assume	O
the	O
role	O
of	O
a	O
member	O
of	O
the	O
earth	B-Application
defense	I-Application
force	I-Application
and	O
fight	O
giant	O
insects	O
and	O
other	O
enemies	O
,	O
who	O
have	O
invaded	O
earth	O
from	O
outer	O
space	O
.	O
</s>
<s>
A	O
PlayStation	B-Operating_System
Portable	I-Operating_System
version	O
of	O
the	O
game	O
,	O
titled	O
Earth	B-Application
Defense	I-Application
Forces	I-Application
2	O
Portable	O
was	O
released	O
on	O
April	O
7	O
,	O
2011	O
in	O
Japan	O
.	O
</s>
<s>
A	O
PlayStation	B-Device
Vita	I-Device
version	O
,	O
titled	O
as	O
Earth	B-Application
Defense	I-Application
Force	I-Application
2	I-Application
:	I-Application
Invaders	I-Application
from	I-Application
Planet	I-Application
Space	I-Application
(	O
known	O
in	O
Japan	O
as	O
Earth	B-Application
Defense	I-Application
Forces	I-Application
2	O
Portable	O
V2	O
)	O
,	O
was	O
released	O
for	O
the	O
first	O
time	O
in	O
North	O
America	O
by	O
Xseed	O
Games	O
in	O
December	O
2015	O
.	O
</s>
<s>
A	O
port	O
of	O
Earth	B-Application
Defense	I-Application
Force	I-Application
2	I-Application
was	O
released	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
in	O
Japan	O
in	O
July	O
2021	O
.	O
</s>
<s>
Players	O
control	O
either	O
a	O
foot	O
soldier	O
(	O
Storm-1	O
)	O
who	O
uses	O
conventional	O
weaponry	O
such	O
as	O
assault	O
and	O
sniper	O
rifles	O
,	O
shotguns	O
,	O
and	O
rocket-propelled	O
grenades	O
or	O
a	O
jetpack-equipped	O
soldier	O
(	O
Pale	O
Wing	O
)	O
who	O
uses	O
energy-based	O
weaponry	O
.	O
</s>
<s>
Global	B-Application
Defence	I-Application
Force	I-Application
received	O
little	O
press	O
attention	O
in	O
the	O
West	O
.	O
</s>
<s>
The	O
few	O
reviews	O
the	O
game	O
received	O
were	O
generally	O
positive	O
;	O
Games	O
Asylums	O
Matt	O
Gander	O
described	O
it	O
as	O
"	O
one	O
of	O
the	O
PlayStation	B-Device
2	I-Device
’s	O
best	O
budget	O
buys	O
"	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Famitsu	O
gave	O
it	O
a	O
score	O
of	O
one	O
eight	O
and	O
three	O
sevens	O
for	O
the	O
PS2	B-Device
version	O
;	O
and	O
one	O
eight	O
,	O
one	O
seven	O
,	O
and	O
two	O
sixes	O
for	O
the	O
PSP	B-Operating_System
version	O
.	O
</s>
<s>
The	O
PlayStation	B-Device
Vita	I-Device
re-release	O
of	O
the	O
game	O
,	O
published	O
by	O
Xseed	O
Games	O
and	O
retitled	O
Earth	B-Application
Defense	I-Application
Force	I-Application
2	I-Application
:	I-Application
Invaders	I-Application
From	I-Application
Planet	I-Application
Space	I-Application
,	O
received	O
"	O
average	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
