<s>
Tom	B-Application
Clancy	I-Application
's	I-Application
Rainbow	I-Application
Six	I-Application
:	I-Application
Vegas	I-Application
is	O
the	O
sixth	O
game	O
in	O
the	O
Rainbow	B-Application
Six	I-Application
series	O
of	O
video	O
games	O
.	O
</s>
<s>
It	O
was	O
released	O
in	O
November	O
2006	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
,	O
December	O
2006	O
for	O
Windows	B-Application
,	O
and	O
in	O
June	O
2007	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
PlayStation	B-Operating_System
Portable	I-Operating_System
.	O
</s>
<s>
A	O
sequel	B-Application
developed	O
by	O
Ubisoft	O
Montreal	O
was	O
released	O
on	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
and	O
PlayStation	B-Operating_System
3	I-Operating_System
consoles	O
in	O
March	O
2008	O
and	O
on	O
PC	O
in	O
April	O
2008	O
.	O
</s>
<s>
The	O
game	O
is	O
also	O
playable	O
on	O
Xbox	B-Operating_System
Series	O
X	O
with	O
online	O
features	O
still	O
available	O
.	O
</s>
<s>
Rainbow	B-Application
Six	I-Application
Vegas	I-Application
changes	O
the	O
series	O
with	O
multiple	O
new	O
features	O
,	O
such	O
as	O
a	O
new	O
health	O
system	O
where	O
the	O
player	O
regenerates	O
health	O
while	O
not	O
taking	O
fire	O
(	O
the	O
player	O
may	O
sometimes	O
be	O
killed	O
instantly	O
,	O
without	O
a	O
chance	O
to	O
regenerate	O
health	O
;	O
this	O
usually	O
happens	O
from	O
grenades	O
,	O
as	O
well	O
as	O
taking	O
close-range	O
fire	O
from	O
very	O
powerful	O
weapons	O
,	O
particularly	O
to	O
the	O
head	O
)	O
.	O
</s>
<s>
The	O
player	O
's	O
vision	O
is	O
greatly	O
impaired	O
while	O
damaged	O
,	O
similar	O
to	O
the	O
health	O
system	O
in	O
Gears	B-Application
of	I-Application
War	I-Application
.	O
</s>
<s>
Other	O
changes	O
include	O
a	O
larger	O
enemy	O
presence	O
and	O
much	O
tougher	O
artificial	O
intelligence	O
,	O
a	O
shift	O
in	O
focus	O
to	O
where	O
kills	O
will	O
be	O
much	O
harder	O
to	O
obtain	O
,	O
a	O
reincarnated	O
aiming	O
system	O
similar	O
to	O
the	O
aiming	O
system	O
of	O
the	O
old	O
Rainbow	B-Application
Six	I-Application
games	O
and	O
a	O
context-sensitive	B-Application
D-pad	B-Device
based	O
command	O
system	O
for	O
the	O
player	O
's	O
squad	O
and	O
sections	O
of	O
gameplay	O
where	O
the	O
player	O
will	O
scale	O
buildings	O
and	O
cause	O
environmental	O
damage	O
.	O
</s>
<s>
The	O
player	O
can	O
also	O
give	O
voice	O
commands	O
using	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
and	O
PlayStation	B-Operating_System
3	I-Operating_System
headset	O
,	O
but	O
teammates	O
are	O
no	O
longer	O
audible	O
through	O
the	O
headset	O
.	O
</s>
<s>
A	O
Limited	O
Collector	O
's	O
Edition	O
of	O
Rainbow	B-Application
Six	I-Application
:	I-Application
Vegas	I-Application
was	O
released	O
at	O
the	O
game	O
's	O
launch	O
featuring	O
alternative	O
cover	O
art	O
and	O
a	O
bonus	O
disc	O
.	O
</s>
<s>
The	O
bonus	O
disc	O
contained	O
a	O
documentary	O
on	O
the	O
making	O
of	O
Rainbow	B-Application
Six	I-Application
:	I-Application
Vegas	I-Application
and	O
a	O
Rainbow	B-Application
Six	I-Application
retrospective	O
,	O
which	O
features	O
information	O
on	O
all	O
Rainbow	B-Application
Six	I-Application
games	O
in	O
the	O
series	O
.	O
</s>
<s>
On	O
April	O
18	O
,	O
2007	O
,	O
the	O
Player	O
's	O
Pack	O
Red	O
Edition	O
was	O
released	O
as	O
downloadable	O
content	O
on	O
Xbox	B-Application
Live	I-Application
.	O
</s>
<s>
"	O
Streets	O
:	O
Redux	O
"	O
has	O
been	O
redesigned	O
in	O
a	O
similar	O
fashion	O
to	O
the	O
Redux	O
maps	O
found	O
in	O
the	O
Player	O
's	O
Pack	O
Red	O
Edition	O
,	O
and	O
"	O
Presidio	O
"	O
is	O
a	O
map	O
overhauled	O
and	O
upgraded	O
from	O
Tom	B-Application
Clancy	I-Application
's	I-Application
Rainbow	I-Application
Six	I-Application
3	I-Application
:	I-Application
Raven	I-Application
Shield	I-Application
.	O
</s>
<s>
On	O
June	O
27	O
,	O
2007	O
,	O
the	O
Black	O
Edition	O
was	O
retracted	O
from	O
the	O
Xbox	B-Application
Live	I-Application
Marketplace	O
.	O
</s>
<s>
On	O
June	O
30	O
,	O
2007	O
,	O
the	O
Black	O
Edition	O
was	O
re-released	O
for	O
download	O
free	O
of	O
charge	O
;	O
Xbox	B-Application
Live	I-Application
users	O
who	O
paid	O
for	O
the	O
pack	O
had	O
their	O
points	O
reimbursed	O
.	O
</s>
<s>
Both	O
the	O
Red	O
and	O
the	O
Black	O
player	O
packs	O
were	O
released	O
for	O
PC	O
platform	O
on	O
July	O
26	O
,	O
2007	O
,	O
and	O
are	O
included	O
in	O
the	B-Operating_System
PS3	I-Operating_System
retail	O
version	O
.	O
</s>
<s>
The	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
edition	O
of	O
Rainbow	B-Application
Six	I-Application
:	I-Application
Vegas	I-Application
was	O
released	O
to	O
very	O
positive	O
reviews	O
from	O
major	O
gaming	O
news	O
outlets	O
,	O
such	O
as	O
GameSpy	O
(	O
5/5	O
)	O
,	O
GameSpot	O
(	O
9.1/10	O
)	O
,	O
IGN	O
(	O
9.3/10	O
)	O
,	O
and	O
TeamXbox	O
(	O
9.5/10	O
)	O
.	O
</s>
<s>
IGN	O
called	O
Vegas	O
the	O
"	O
best	O
first-person	O
shooter	O
on	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
"	O
,	O
while	O
GameSpot	O
described	O
the	O
game	O
as	O
an	O
"	O
excellent	O
,	O
immersive	O
tactical	O
shooter	O
"	O
.	O
</s>
<s>
The	O
PC	O
and	O
PS3	B-Operating_System
versions	O
have	O
also	O
received	O
positive	O
reviews	O
,	O
while	O
the	O
PSP	B-Operating_System
version	O
received	O
mixed	O
reviews.Rainbow	O
Six	O
Vegas	O
has	O
won	O
numerous	O
awards	O
,	O
including	O
"	O
Best	O
First-Person	O
Shooter	O
"	O
,	O
"	O
Best	O
Xbox	B-Operating_System
360	I-Operating_System
First-Person	O
Shooter	O
"	O
,	O
"	O
Best	O
Online	O
Game	O
"	O
,	O
and	O
"	O
Best	O
Xbox	B-Application
Live	I-Application
Game	O
"	O
in	O
IGN	O
's	O
Best	O
of	O
2006	O
,	O
as	O
well	O
as	O
an	O
"	O
Editor	O
's	O
Choice	O
Award	O
"	O
from	O
GameSpot	O
.	O
</s>
<s>
It	O
also	O
received	O
the	O
"	O
Best	O
Online	O
Game	O
"	O
award	O
from	O
Official	O
Xbox	B-Operating_System
Magazine	O
in	O
their	O
annual	O
Game	O
of	O
the	O
Year	O
awards	O
.	O
</s>
<s>
According	O
to	O
Ubisoft	O
,	O
as	O
of	O
March	O
31	O
,	O
2007	O
,	O
Tom	B-Application
Clancy	I-Application
's	I-Application
Rainbow	I-Application
Six	I-Application
:	I-Application
Vegas	I-Application
had	O
sold	O
1.7	O
million	O
copies	O
.	O
</s>
<s>
The	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
received	O
a	O
"	O
Platinum	O
"	O
sales	O
award	O
from	O
the	O
Entertainment	O
and	O
Leisure	O
Software	O
Publishers	O
Association	O
(	O
ELSPA	O
)	O
,	O
indicating	O
sales	O
of	O
at	O
least	O
300,000	O
copies	O
in	O
the	O
United	O
Kingdom	O
.	O
</s>
<s>
In	O
early	O
2007	O
,	O
Rainbow	O
Six	O
:	O
Vegas''	O
became	O
the	O
first	O
Xbox	B-Operating_System
360	I-Operating_System
title	O
to	O
join	O
the	O
Major	O
League	O
Gaming	O
(	O
MLG	O
)	O
Circuit	O
.	O
</s>
<s>
However	O
,	O
Rainbow	B-Application
Six	I-Application
:	I-Application
Vegas	I-Application
2	I-Application
,	O
the	O
game	O
's	O
sequel	B-Application
,	O
was	O
featured	O
on	O
the	O
2008	O
MLG	O
Pro	O
Circuit	O
,	O
with	O
its	O
first	O
showing	O
in	O
San	O
Diego	O
,	O
California	O
.	O
</s>
