<s>
It	O
was	O
first	O
released	O
in	O
Japan	O
on	O
October	O
15	O
,	O
1988	O
for	O
the	O
X68000	B-Device
computer	O
.	O
</s>
<s>
A	O
year	O
later	O
,	O
it	O
was	O
ported	O
to	O
the	O
Sega	B-Operating_System
Mega	I-Operating_System
Drive/Genesis	I-Operating_System
game	O
console	O
and	O
released	O
in	O
Japan	O
(	O
under	O
the	O
name	O
Thunder	B-Device
Force	I-Device
II	I-Device
MD	O
)	O
,	O
Europe	O
,	O
and	O
the	O
United	O
States	O
.	O
</s>
<s>
Thunder	B-Device
Force	I-Device
II	I-Device
was	O
one	O
of	O
the	O
six	O
launch	O
titles	O
for	O
the	O
U.S.	O
Genesis	B-Operating_System
release	O
.	O
</s>
<s>
The	O
Genesis	B-Operating_System
port	O
was	O
later	O
included	O
in	O
Thunder	B-Application
Force	I-Application
Gold	O
Pack	O
Volume	O
1	O
for	O
the	O
Sega	B-Device
Saturn	I-Device
.	O
</s>
<s>
It	O
was	O
also	O
re-released	O
on	O
the	O
Nintendo	B-Application
Switch	I-Application
Online	I-Application
+	I-Application
Expansion	I-Application
Pack	I-Application
on	O
December	O
16	O
,	O
2021	O
.	O
</s>
<s>
It	O
is	O
the	O
second	O
chapter	O
of	O
the	O
Thunder	B-Application
Force	I-Application
series	O
.	O
</s>
<s>
Building	O
upon	O
its	O
predecessor	O
,	O
Thunder	B-Device
Force	I-Device
II	I-Device
introduced	O
a	O
weapon	O
system	O
that	O
would	O
become	O
the	O
staple	O
for	O
the	O
rest	O
of	O
the	O
series	O
.	O
</s>
<s>
Thunder	B-Device
Force	I-Device
II	I-Device
also	O
introduced	O
the	O
CRAW	O
add-ons	O
;	O
small	O
pods	O
which	O
revolve	O
around	O
the	O
ship	O
.	O
</s>
<s>
Taking	O
place	O
soon	O
after	O
Thunder	B-Application
Force	I-Application
,	O
the	O
ORN	O
Empire	O
creates	O
a	O
powerful	O
new	O
battleship	O
,	O
the	O
Plealos	O
(	O
a.k.a.	O
</s>
<s>
The	O
cover	O
image	O
for	O
the	O
Thunder	B-Device
Force	I-Device
II	I-Device
Sega/MD/G	O
package	O
by	O
Illustrator	O
Marc	O
Ericksen	O
describes	O
the	O
attack	O
of	O
the	O
advanced	O
FIRE	O
LEO-02s	O
on	O
Nepura	O
utilizing	O
its	O
forward	O
and	O
rear	O
firing	O
ordinance	O
(	O
above	O
right	O
)	O
.	O
</s>
<s>
The	O
Mega	B-Operating_System
Drive	I-Operating_System
version	O
received	O
generally	O
favorable	O
positive	O
upon	O
release	O
.	O
</s>
<s>
ACE	O
magazine	O
listed	O
it	O
in	O
1989	O
as	O
one	O
of	O
the	O
top	O
three	O
games	O
available	O
for	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
at	O
the	O
time	O
,	O
along	O
with	O
Altered	B-Application
Beast	I-Application
and	O
Space	B-Application
Harrier	I-Application
II	I-Application
.	O
</s>
<s>
MegaTech	O
magazine	O
reviewed	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
version	O
,	O
praising	O
the	O
game	O
as	O
a	O
"	O
robust	O
shoot-em	O
up	O
with	O
plenty	O
of	O
thrills	O
‘	O
n’	O
spills	O
"	O
and	O
noting	O
that	O
the	O
levels	O
are	O
"	O
packed	O
to	O
the	O
gills	O
with	O
enemy	O
ships	O
and	O
huge	O
end-of-level	O
guardians	O
"	O
and	O
recommending	O
Thunder	B-Device
Force	I-Device
2	I-Device
to	O
fans	O
of	O
that	O
game	O
genre	O
.	O
</s>
