<s>
CT	B-Application
Special	I-Application
Forces	I-Application
:	I-Application
Back	I-Application
to	I-Application
Hell	I-Application
is	O
a	O
run	O
and	O
gun	O
video	O
game	O
developed	O
and	O
published	O
by	O
Light	O
and	O
Shadow	O
Productions	O
(	O
LSP	O
)	O
for	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
(	O
GBA	B-Device
)	O
.	O
</s>
<s>
Wizarbox	O
ported	O
the	O
release	O
for	O
the	O
PlayStation	B-Device
,	O
while	O
Hip	O
Interactive	O
published	O
a	O
North	O
American	O
release	O
under	O
the	O
title	O
CT	B-Application
Special	I-Application
Forces	I-Application
2	I-Application
:	I-Application
Back	I-Application
in	I-Application
the	I-Application
Trenches	I-Application
.	O
</s>
<s>
In	O
response	O
to	O
criticism	O
of	O
its	O
predecessor	B-Application
in	I-Application
the	I-Application
series	I-Application
,	O
developers	O
made	O
the	O
game	O
longer	O
,	O
added	O
more	O
animations	O
,	O
and	O
improved	O
the	O
game	O
's	O
password	O
save	O
system	O
.	O
</s>
<s>
Multiple	O
reviewers	O
compared	O
the	O
game	O
positively	O
to	O
the	O
Metal	B-Application
Slug	I-Application
series	O
,	O
while	O
they	O
criticized	O
some	O
control	O
issues	O
and	O
the	O
continued	O
use	O
of	O
password	O
saves	O
.	O
</s>
<s>
CT	B-Application
Special	I-Application
Forces	I-Application
:	I-Application
Back	I-Application
to	I-Application
Hell	I-Application
is	O
a	O
side-scrolling	O
run	O
and	O
gun	O
game	O
that	O
was	O
inspired	O
by	O
the	O
Metal	B-Application
Slug	I-Application
video	O
game	O
series	O
,	O
Green	B-Application
Beret	I-Application
,	O
1943	B-Application
,	O
and	O
other	O
"	O
old-school	O
"	O
games	O
.	O
</s>
<s>
The	O
GBA	B-Device
version	O
supports	O
co-operative	O
play	O
where	O
players	O
compete	O
against	O
a	O
timer	O
to	O
achieve	O
a	O
high	O
score	O
.	O
</s>
<s>
The	O
game	O
includes	O
a	O
number	O
of	O
gameplay	O
enhancements	O
over	O
its	O
predecessor	O
,	O
CT	B-Application
Special	I-Application
Forces	I-Application
.	O
</s>
<s>
The	O
company	O
decided	O
that	O
the	O
GBA	B-Device
's	O
requirement	O
for	O
a	O
small	O
development	O
team	O
would	O
be	O
ideal	O
for	O
its	O
foray	O
into	O
game	O
development	O
.	O
</s>
<s>
The	O
team	O
originally	O
received	O
a	O
GBA	B-Device
software	B-Application
development	I-Application
kit	I-Application
in	O
mid-2001	O
,	O
and	O
then	O
developed	O
the	O
first	O
game	O
in	O
the	O
series	O
,	O
CT	B-Application
Special	I-Application
Forces	I-Application
,	O
in	O
3	O
months	O
.	O
</s>
<s>
The	O
team	O
was	O
inspired	O
by	O
the	O
Metal	B-Application
Slug	I-Application
series	O
,	O
Green	B-Application
Beret	I-Application
,	O
1943	B-Application
,	O
and	O
other	O
"	O
old-school	O
"	O
games	O
that	O
they	O
found	O
lacking	O
in	O
the	O
GBA	B-Device
's	O
library	O
.	O
</s>
<s>
After	O
criticisms	O
of	O
the	O
original	O
CT	B-Application
Special	I-Application
Forces	I-Application
,	O
LSP	O
held	O
focus	O
groups	O
with	O
players	O
to	O
determine	O
what	O
to	O
improve	O
.	O
</s>
<s>
In	O
Europe	O
,	O
CT	B-Application
Special	I-Application
Forces	I-Application
:	I-Application
Back	I-Application
to	I-Application
Hell	I-Application
was	O
released	O
for	O
the	O
GBA	B-Device
on	O
July	O
9	O
,	O
2003	O
,	O
and	O
for	O
the	O
PlayStation	B-Device
on	O
November	O
28	O
.	O
</s>
<s>
While	O
LSP	O
published	O
the	O
European	O
version	O
of	O
the	O
GBA	B-Device
game	O
,	O
there	O
was	O
no	O
simultaneous	O
North	O
American	O
release	O
;	O
North	O
American	O
preview	O
coverage	O
was	O
from	O
imported	O
cartridges	O
.	O
</s>
<s>
At	O
E3	O
2003	O
,	O
LSP	O
announced	O
that	O
North	O
American	O
publisher	O
Hip	O
Interactive	O
would	O
co-publish	O
16	O
of	O
their	O
games	O
,	O
and	O
CT	B-Application
Special	I-Application
Forces	I-Application
:	I-Application
Back	I-Application
to	I-Application
Hell	I-Application
was	O
released	O
in	O
North	O
America	O
on	O
June	O
29	O
,	O
2004	O
.	O
</s>
<s>
The	O
GBA	B-Device
version	O
of	O
CT	B-Application
Special	I-Application
Forces	I-Application
:	I-Application
Back	I-Application
to	I-Application
Hell	I-Application
received	O
"	O
generally	O
favorable	O
"	O
reviews	O
according	O
to	O
review	O
aggregator	O
Metacritic	O
.	O
</s>
<s>
Reviewing	O
the	O
PlayStation	B-Device
version	O
,	O
Jeuxvideo	O
criticized	O
the	O
game	O
's	O
short	O
length	O
and	O
lack	O
of	O
multiplayer	O
support	O
,	O
while	O
noting	O
that	O
action	O
game	O
fans	O
might	O
be	O
willing	O
to	O
try	O
the	O
game	O
for	O
its	O
relatively	O
low	O
price	O
.	O
</s>
<s>
Several	O
reviewers	O
compared	O
the	O
game	O
to	O
the	O
Metal	B-Application
Slug	I-Application
series	O
,	O
due	O
to	O
its	O
gameplay	O
and	O
visual	O
style	O
.	O
</s>
<s>
Provo	O
compared	O
both	O
games	O
in	O
the	O
series	O
to	O
Metal	B-Application
Slug	I-Application
,	O
while	O
noting	O
that	O
the	O
graphics	O
had	O
improved	O
over	O
its	O
predecessor	O
.	O
</s>
<s>
Harris	O
commented	O
that	O
the	O
plethora	O
of	O
minigames	O
made	O
the	O
game	O
feel	O
more	O
like	O
a	O
Metal	B-Application
Slug	I-Application
game	O
because	O
of	O
its	O
increased	O
variety	O
.	O
</s>
<s>
Zacarias	O
also	O
made	O
positive	O
comparisons	O
between	O
Back	O
to	O
Hell	O
and	O
Metal	B-Application
Slug	I-Application
,	O
noting	O
their	O
similar	O
look	O
and	O
feel	O
.	O
</s>
<s>
Jacques	O
felt	O
that	O
the	O
game	O
's	O
"	O
bubbly	O
and	O
animated	O
stylization	O
"	O
was	O
more	O
like	O
Metal	B-Application
Slug	I-Application
than	O
other	O
run	O
and	O
gun	O
titles	O
.	O
</s>
<s>
The	O
game	O
's	O
sound	O
design	O
was	O
praised	O
by	O
both	O
Harris	O
and	O
Jacques	O
,	O
while	O
Zacarias	O
and	O
Jeuxvideo	O
's	O
GBA	B-Device
review	O
both	O
noted	O
that	O
it	O
had	O
not	O
changed	O
significantly	O
since	O
the	O
previous	O
entry	O
.	O
</s>
<s>
Jeuxvideo	O
's	O
review	O
of	O
the	O
GBA	B-Device
version	O
instead	O
praised	O
the	O
improvements	O
to	O
the	O
password	O
system	O
,	O
feeling	O
that	O
the	O
updated	O
version	O
in	O
Back	O
to	O
Hell	O
was	O
an	O
improvement	O
over	O
its	O
predecessor	O
.	O
</s>
<s>
Zacarias	O
also	O
criticized	O
the	O
game	O
's	O
artificial	B-Application
intelligence	I-Application
,	O
saying	O
that	O
enemies	O
were	O
often	O
not	O
aware	O
they	O
were	O
being	O
shot	O
at	O
.	O
</s>
