<s>
Announced	O
by	O
Arc	O
in	O
September	O
,	O
it	O
was	O
released	O
on	O
December	O
17	O
,	O
2003	O
,	O
in	O
Japanese	O
arcades	O
as	O
the	O
sixth	O
installment	O
of	O
the	O
Guilty	B-Application
Gear	I-Application
series	O
.	O
</s>
<s>
Later	O
,	O
the	O
game	O
was	O
ported	O
for	O
a	O
release	O
on	O
the	O
PlayStation	B-Device
2	I-Device
(	O
PS2	B-Device
)	O
,	O
Xbox	B-Operating_System
,	O
and	O
Windows	O
in	O
Japan	O
.	O
</s>
<s>
The	O
PS2	B-Device
version	O
was	O
brought	O
to	O
North	O
America	O
by	O
Sammy	O
,	O
and	O
,	O
in	O
Europe	O
,	O
the	O
home	B-Device
console	I-Device
version	O
was	O
released	O
by	O
505	O
Game	O
Street	O
and	O
the	O
PC	B-Device
version	O
by	O
Zoo	O
Digital	O
Publishing	O
.	O
</s>
<s>
While	O
the	O
gameplay	O
remained	O
almost	O
the	O
same	O
as	O
in	O
previous	O
titles	O
,	O
the	O
game	O
introduced	O
a	O
four-player	O
battle	O
mode	O
,	O
and	O
the	O
PS2	B-Device
version	O
included	O
new	O
features	O
to	O
the	O
series	O
,	O
including	O
a	O
scrolling	O
adventure	O
,	O
a	O
customization	O
mode	O
,	O
and	O
two	O
new	O
characters	O
.	O
</s>
<s>
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
received	O
mixed	O
critical	O
reviews	O
.	O
</s>
<s>
The	O
basic	O
gameplay	O
system	O
of	O
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
is	O
like	O
the	O
other	O
games	O
in	O
the	O
series	O
.	O
</s>
<s>
Another	O
innovation	O
was	O
Boost	O
Mode	O
:	O
a	O
two-player	O
,	O
side-scrolling	O
,	O
arcade-style	O
beat	B-Application
'	I-Application
em	I-Application
up	I-Application
mode	O
not	O
included	O
in	O
the	O
arcade	O
version	O
,	O
in	O
which	O
a	O
player	O
fights	O
enemy	O
waves	O
to	O
accumulate	O
items	O
,	O
health	O
and	O
experience	O
.	O
</s>
<s>
For	O
the	O
Xbox	B-Operating_System
,	O
this	O
mode	O
was	O
adapted	O
for	O
online	O
play	O
with	O
Xbox	B-Application
Live	I-Application
,	O
supporting	O
up	O
to	O
16	O
players	O
.	O
</s>
<s>
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
features	O
twenty	O
playable	O
characters	O
in	O
its	O
arcade	O
version	O
:	O
Anji	O
Mito	O
,	O
Axl	O
Low	O
,	O
Baiken	O
,	O
Bridget	O
,	O
Chipp	O
Zanuff	O
,	O
Dizzy	O
,	O
Eddie	O
,	O
Faust	O
,	O
I-No	O
,	O
Jam	O
Kuradoberi	O
,	O
Johnny	O
,	O
Ky	O
Kiske	O
,	O
May	O
,	O
Millia	O
Rage	O
,	O
Potemkin	O
,	O
Slayer	O
,	O
Sol	O
Badguy	O
,	O
Testament	O
,	O
Venom	O
,	O
and	O
Zappa	O
.	O
</s>
<s>
Three	O
characters	O
were	O
added	O
to	O
the	O
PlayStation	B-Device
2	I-Device
edition	O
:	O
A.B.A	O
,	O
Robo-Ky	O
,	O
and	O
Robo-Ky	O
II	O
.	O
</s>
<s>
In	O
September	O
2003	O
,	O
Sammy	O
Corporation	O
announced	O
that	O
a	O
new	O
game	O
dubbed	O
Guilty	B-Application
Gear	I-Application
X	O
Series	O
The	O
Newest	O
Version	O
would	O
be	O
featured	O
at	O
the	O
Japan	O
Amusement	O
Machinery	O
Manufacturers	O
Association	O
(	O
JAMMA	O
)	O
arcade	O
show	O
;	O
at	O
the	O
show	O
,	O
the	O
company	O
revealed	O
that	O
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
would	O
be	O
the	O
game	O
's	O
name	O
.	O
</s>
<s>
"	O
In	O
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
we	O
want	O
to	O
satisfy	O
existing	O
fighter	O
fans	O
with	O
new	O
content	O
and	O
never-before-seen	O
innovations	O
.	O
</s>
<s>
We	O
also	O
want	O
to	O
reach	O
out	O
to	O
mainstream	O
fans	O
to	O
show	O
them	O
that	O
,	O
right	O
now	O
,	O
the	O
envelope	O
in	O
fighting	O
games	O
is	O
also	O
being	O
pushed	O
in	O
two	O
dimensions	O
"	O
,	O
declared	O
Tim	O
Pivnicny	O
,	O
senior	O
VP	O
of	O
Sammy	O
Studios	O
,	O
Inc	O
.	O
A	O
PlayStation	B-Device
2	I-Device
version	O
of	O
the	O
game	O
was	O
announced	O
to	O
be	O
in	O
development	O
on	O
March	O
3	O
,	O
2004	O
.	O
</s>
<s>
An	O
August	O
24	O
announcement	O
said	O
that	O
the	O
game	O
would	O
be	O
compatible	O
with	O
Xbox	B-Operating_System
.	O
</s>
<s>
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
was	O
released	O
in	O
Japan	O
on	O
December	O
17	O
,	O
2003	O
,	O
by	O
Sammy	O
for	O
the	O
Atomiswave	B-Application
arcade	O
cabinets	O
,	O
followed	O
by	O
the	O
PlayStation	B-Device
2	I-Device
version	O
on	O
July	O
29	O
,	O
2004	O
.	O
</s>
<s>
An	O
Xbox	B-Operating_System
version	O
was	O
released	O
by	O
Arc	O
System	O
Works	O
on	O
December	O
16	O
,	O
2004	O
,	O
and	O
Sourcenext	O
released	O
the	O
game	O
for	O
Windows	O
on	O
November	O
25	O
,	O
2005	O
.	O
</s>
<s>
In	O
North	O
America	O
,	O
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
was	O
released	O
by	O
Sammy	O
for	O
PlayStation	B-Device
2	I-Device
on	O
November	O
2	O
,	O
2004	O
.	O
</s>
<s>
In	O
Europe	O
,	O
505	O
Games	O
Street	O
released	O
it	O
on	O
June	O
16	O
,	O
2005	O
,	O
for	O
PlayStation	B-Device
2	I-Device
,	O
and	O
the	O
PC	B-Device
version	O
was	O
released	O
on	O
April	O
7	O
,	O
2006	O
,	O
by	O
Zoo	O
Digital	O
Publishing	O
(	O
now	O
Zushi	O
Games	O
)	O
.	O
</s>
<s>
In	O
2007	O
,	O
the	O
game	O
was	O
made	B-Device
compatible	I-Device
with	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
DotEmu	O
also	O
released	O
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
on	O
its	O
DRM-free	O
shop	O
in	O
April	O
2011	O
.	O
</s>
<s>
On	O
January	O
16	O
,	O
2014	O
,	O
the	O
game	O
was	O
released	O
on	O
the	O
Steam	B-Application
digital	O
distribution	O
platform	O
for	O
Windows	B-Application
PCs	I-Application
.	O
</s>
<s>
In	O
2020	O
,	O
a	O
homebrew	O
conversion	O
was	O
released	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
.	O
</s>
<s>
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
was	O
the	O
176th-bestselling	O
Japanese	O
title	O
in	O
2004	O
,	O
with	O
74,270	O
copies	O
sold	O
for	O
PlayStation	B-Device
2	I-Device
as	O
of	O
December	O
26	O
.	O
</s>
<s>
It	O
was	O
"	O
Best	O
Fighting	O
Game	O
"	O
at	O
the	O
Best	O
of	O
E3	O
2004	O
Awards	O
from	O
IGN	O
,	O
and	O
was	O
nominated	O
for	O
"	O
Best	O
Sequel	O
Fighting	O
"	O
at	O
the	O
2004	O
National	O
Academy	O
of	O
Video	O
Game	O
Testers	O
and	O
Reviewers	O
(	O
NAVGTR	O
)	O
Awards	O
,	O
which	O
went	O
to	O
Dead	B-Application
or	I-Application
Alive	I-Application
Ultimate	I-Application
.	O
</s>
<s>
Isuka	O
was	O
well-rated	O
on	O
balance	O
,	O
but	O
considered	O
inferior	O
to	O
the	O
previous	O
Guilty	B-Application
Gear	I-Application
X2	I-Application
#Reload	O
.	O
</s>
<s>
An	O
additional	O
edition	O
was	O
released	O
on	O
iTunes	B-Operating_System
on	O
November	O
23	O
,	O
2005	O
;	O
it	O
contains	O
six	O
more	O
tracks	O
,	O
totalizing	O
26	O
tracks	O
.	O
</s>
<s>
Ichijinsha	O
released	O
two	O
Guilty	B-Application
Gear	I-Application
Isuka	I-Application
manga	O
adaptations	O
under	O
its	O
DNA	O
Media	O
Comics	O
line	O
.	O
</s>
