<s>
Twisted	B-Application
Metal	I-Application
:	I-Application
Head-On	I-Application
is	O
a	O
vehicular	O
combat	O
video	O
game	O
developed	O
by	O
Incognito	O
Entertainment	O
and	O
published	O
by	O
Sony	O
Computer	O
Entertainment	O
on	O
March	O
24	O
,	O
2005	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
and	O
February	O
5	O
,	O
2008	O
for	O
the	O
PlayStation	B-Device
2	I-Device
.	O
</s>
<s>
Head-On	O
was	O
the	O
seventh	O
game	O
released	O
in	O
the	O
Twisted	B-Application
Metal	I-Application
series	O
,	O
and	O
the	O
first	O
game	O
in	O
the	O
series	O
to	O
ship	O
fully	O
online-enabled	O
.	O
</s>
<s>
Head-On	O
is	O
a	O
direct	O
sequel	B-Language
to	O
Twisted	B-Application
Metal	I-Application
2	I-Application
,	O
while	O
ignoring	O
the	O
events	O
of	O
Twisted	B-Device
Metal	I-Device
III	I-Device
and	O
Twisted	B-Application
Metal	I-Application
4	I-Application
and	O
other	O
installments	O
.	O
</s>
<s>
Akin	O
to	O
other	O
games	O
in	O
the	O
series	O
,	O
Head-On	O
revolves	O
around	O
the	O
same	O
theme	O
of	O
a	O
man	O
named	O
Calypso	O
holding	O
a	O
vehicular	O
combat	O
tournament	O
called	O
"	O
Twisted	B-Application
Metal	I-Application
"	O
,	O
with	O
the	O
promise	O
of	O
granting	O
the	O
winner	O
whatever	O
they	O
ask	O
for	O
.	O
</s>
<s>
A	O
PlayStation	B-Device
2	I-Device
port	O
of	O
Twisted	B-Application
Metal	I-Application
:	I-Application
Head-On	I-Application
was	O
released	O
on	O
February	O
5	O
,	O
2008	O
.	O
</s>
<s>
The	O
game	O
was	O
developed	O
by	O
Jaffe	O
's	O
newly	O
formed	O
studio	O
Eat	O
Sleep	O
Play	O
and	O
was	O
retitled	O
Twisted	B-Application
Metal	I-Application
Head-On	O
:	O
Extra	O
Twisted	O
Edition	O
.	O
</s>
<s>
The	O
PS2	B-Device
port	O
contains	O
extra	O
features	O
and	O
bonuses	O
,	O
such	O
as	O
the	O
unreleased	O
live	O
action	O
end	O
movies	O
from	O
Twisted	B-Application
Metal	I-Application
,	O
a	O
behind	O
the	O
scenes	O
documentary	O
and	O
a	O
concept	O
art	O
book	O
.	O
</s>
<s>
Each	O
physical	O
copy	O
also	O
comes	O
with	O
a	O
code	O
to	O
download	O
a	O
Twisted	B-Application
Metal	I-Application
soundtrack	O
.	O
</s>
<s>
The	O
documentary	O
includes	O
an	O
answer	O
to	O
a	O
question	O
Twisted	B-Application
Metal	I-Application
fans	O
have	O
been	O
asking	O
for	O
a	O
long	O
time	O
.	O
</s>
<s>
After	O
fans	O
deciphered	O
a	O
message	O
in	O
the	O
Dark	O
Past	O
documentary	O
as	O
reading	O
"	O
Twisted	B-Application
Metal	I-Application
is	O
coming	O
on	O
psthree	B-Operating_System
"	O
,	O
Jaffe	O
confirmed	O
it	O
himself	O
.	O
</s>
<s>
It	O
also	O
lacks	O
the	O
online	O
play	O
feature	O
of	O
the	O
original	O
PSP	B-Operating_System
version	O
.	O
</s>
<s>
These	O
are	O
bonus	O
levels	O
where	O
players	O
must	O
collect	O
power	O
ups	O
while	O
circumventing	O
obstacles	O
that	O
require	O
a	O
variety	O
of	O
tactics	O
,	O
including	O
destroying	O
taxicabs	O
,	O
jumping	O
over	O
chasms	O
,	O
and	O
destroying	O
helicopters	B-Application
using	O
napalm	O
bombs	O
.	O
</s>
<s>
GameRankings	O
and	O
Metacritic	O
gave	O
it	O
a	O
score	O
of	O
78.84	O
%	O
and	O
79	O
out	O
of	O
100	O
for	O
the	O
PSP	B-Operating_System
version	O
,	O
and	O
73.16	O
%	O
and	O
73	O
out	O
of	O
100	O
for	O
the	O
PlayStation	B-Device
2	I-Device
version	O
.	O
</s>
