<s>
is	O
a	O
2010	O
kart	O
racing	O
video	O
game	O
,	O
produced	O
for	O
Wii	B-Operating_System
,	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Nintendo	B-Device
DS	I-Device
(	O
February	O
23	O
,	O
2010	O
)	O
,	O
and	O
Microsoft	B-Device
Windows	I-Device
(	O
March	O
3	O
,	O
2010	O
)	O
,	O
featuring	O
characters	O
from	O
multiple	O
Sega	O
franchises	O
.	O
</s>
<s>
The	O
game	O
is	O
the	O
third	O
title	O
in	O
the	O
Sega	B-Application
All-Stars	I-Application
series	O
,	O
preceded	O
by	O
Sega	B-Application
Superstars	I-Application
Tennis	I-Application
.	O
</s>
<s>
A	O
mobile	B-Application
version	O
was	O
developed	O
by	O
Gameloft	O
,	O
and	O
released	O
for	O
iOS	B-Application
in	O
June	O
2011	O
,	O
as	O
a	O
paid	O
download	O
.	O
</s>
<s>
A	O
version	O
for	O
OS	B-Operating_System
X	I-Operating_System
was	O
released	O
by	O
Feral	O
Interactive	O
in	O
April	O
2013	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Sonic	B-Application
&	I-Application
All-Stars	I-Application
Racing	I-Application
Transformed	I-Application
,	O
was	O
released	O
in	O
2012	O
,	O
featuring	O
more	O
characters	O
and	O
representing	O
a	O
wide-variety	O
of	O
Sega-owned	O
franchises	O
.	O
</s>
<s>
The	O
game	O
is	O
a	O
mascot	O
kart	O
racing	O
game	O
,	O
similar	O
to	O
other	O
games	O
in	O
its	O
genre	O
like	O
Mario	B-Application
Kart	I-Application
,	O
Konami	B-Application
Krazy	I-Application
Racers	I-Application
and	O
Crash	B-Application
Team	I-Application
Racing	I-Application
.	O
</s>
<s>
Players	O
can	O
choose	O
to	O
race	O
as	O
one	O
of	O
20	O
characters	O
from	O
various	O
Sega	O
franchises	O
such	O
as	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
,	O
Crazy	B-Application
Taxi	I-Application
,	O
and	O
Fantasy	B-Application
Zone	I-Application
.	O
</s>
<s>
Like	O
Sumo	O
's	O
previous	O
Sega	O
game	O
,	O
Sega	B-Application
Superstars	I-Application
Tennis	I-Application
,	O
each	O
character	O
has	O
a	O
special	O
ability	O
(	O
called	O
an	O
"	O
All-Star	O
Move	O
"	O
)	O
unique	O
to	O
them	O
that	O
they	O
may	O
use	O
to	O
their	O
advantage	O
(	O
such	O
as	O
Sonic	B-Application
transforming	O
into	O
Super	O
Sonic	B-Application
and	O
AiAi	O
riding	O
in	O
his	O
monkey	O
ball	O
)	O
,	O
which	O
they	O
can	O
obtain	O
if	O
they	O
are	O
running	O
behind	O
in	O
the	O
race	O
.	O
</s>
<s>
The	O
game	O
features	O
a	O
total	O
of	O
24	O
tracks	O
based	O
on	O
locations	O
from	O
Sonic	B-Application
Heroes	I-Application
,	O
Super	B-Application
Monkey	I-Application
Ball	I-Application
:	I-Application
Banana	I-Application
Blitz	I-Application
,	O
Billy	B-Application
Hatcher	I-Application
and	I-Application
the	I-Application
Giant	I-Application
Egg	I-Application
,	O
Jet	B-Application
Set	I-Application
Radio	I-Application
Future	I-Application
,	O
Samba	B-Application
de	I-Application
Amigo	I-Application
,	O
and	O
The	B-Application
House	I-Application
of	I-Application
the	I-Application
Dead	I-Application
.	O
</s>
<s>
The	O
game	O
also	O
has	O
customizable	O
multiplayer	O
options	O
for	O
up	O
to	O
8	O
players	O
online	O
(	O
4	O
players	O
on	O
DS	B-Device
version	O
,	O
no	O
online	O
support	O
for	O
PC	O
version	O
)	O
.	O
</s>
<s>
The	O
soundtrack	O
for	O
the	O
game	O
consists	O
of	O
various	O
old	O
and	O
new	O
tracks	O
from	O
the	O
various	O
Sonic	B-Application
and	O
Sega	O
franchises	O
,	O
though	O
it	O
also	O
features	O
original	O
songs	O
by	O
various	O
artists	O
including	O
Richard	O
Jacques	O
.	O
</s>
<s>
The	O
Nintendo	B-Device
DS	I-Device
version	O
of	O
the	O
game	O
features	O
MIDI	O
versions	O
of	O
the	O
tracks	O
arranged	O
by	O
Allister	O
Brimble	O
and	O
Anthony	O
Putson	O
of	O
Orchestral	O
Media	O
Developments	O
.	O
</s>
<s>
Sonic	B-Application
&	I-Application
Sega	I-Application
All-Stars	I-Application
Racing	I-Application
features	O
20	O
playable	O
characters	O
,	O
12	O
of	O
which	O
must	O
be	O
unlocked	O
through	O
gameplay	O
.	O
</s>
<s>
Three	O
additional	O
characters	O
originating	O
from	O
non-Sega	O
properties	O
are	O
available	O
only	O
on	O
specific	O
consoles	O
,	O
while	O
two	O
additional	O
characters	O
were	O
released	O
as	O
paid	O
downloadable	O
content	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
and	O
PlayStation	B-Operating_System
3	I-Operating_System
versions	O
.	O
</s>
<s>
Following	O
the	O
release	O
of	O
Sega	B-Application
Superstars	I-Application
Tennis	I-Application
,	O
Sumo	O
Digital	O
decided	O
to	O
do	O
a	O
racing	O
title	O
,	O
based	O
on	O
their	O
experience	O
with	O
recent	O
Out	B-Application
Run	I-Application
titles	O
.	O
</s>
<s>
In	O
an	O
early	O
prototype	O
of	O
the	O
game	O
,	O
Sonic	B-Application
raced	O
on	O
foot	O
,	O
Dr.	O
Eggman	O
rode	O
an	O
Eggpod	O
with	O
legs	O
,	O
Tails	O
flew	O
in	O
a	O
biplane	O
,	O
Amy	O
Rose	O
drove	O
a	O
car	O
,	O
and	O
Gilius	O
Thunderhead	O
from	O
Golden	B-Application
Axe	I-Application
rode	O
one	O
of	O
the	O
Chickenleg	O
creatures	O
from	O
the	O
game	O
.	O
</s>
<s>
The	O
game	O
is	O
also	O
the	O
last	O
in	O
the	O
series	O
to	O
utilize	O
the	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
voice	O
cast	O
from	O
4Kids	O
Entertainment	O
that	O
was	O
first	O
introduced	O
with	O
the	O
English-language	O
release	O
of	O
Sonic	B-Application
X	O
in	O
2003	O
(	O
with	O
the	O
exception	O
of	O
Mike	O
Pollock	O
who	O
continues	O
to	O
voice	O
Dr.	O
Eggman	O
)	O
.	O
</s>
<s>
At	O
Summer	O
of	O
Sonic	B-Application
2009	O
,	O
Steve	O
Lycett	O
,	O
executive	O
producer	O
and	O
Travis	O
Ryan	O
,	O
lead	O
designer	O
of	O
Sonic	B-Application
&	I-Application
Sega	I-Application
All-Stars	I-Application
Racing	I-Application
were	O
present	O
for	O
a	O
Q&A	O
session	O
.	O
</s>
<s>
A	O
PlayStation	B-Operating_System
3	I-Operating_System
demo	O
was	O
also	O
available	O
for	O
attendees	O
to	O
play	O
.	O
</s>
<s>
On	O
November	O
25	O
,	O
2009	O
,	O
a	O
special	O
press	O
event	O
about	O
the	O
game	O
was	O
held	O
in	O
France	O
,	O
where	O
the	O
DS	B-Device
version	O
made	O
its	O
playable	O
debut	O
.	O
</s>
<s>
Banjo	O
and	O
Kazooie	O
from	O
the	O
Banjo-Kazooie	B-Application
series	I-Application
appear	O
as	O
a	O
playable	O
character	O
exclusive	O
to	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
of	O
the	O
game	O
,	O
based	O
on	O
their	O
appearance	O
in	O
Banjo-Kazooie	B-Application
:	I-Application
Nuts	I-Application
&	I-Application
Bolts	I-Application
.	O
</s>
<s>
Sumo	O
collaborated	O
with	O
Banjo-Kazooie	B-Application
development	O
studio	O
Rare	O
for	O
the	O
character	O
's	O
inclusion	O
,	O
with	O
Rare	O
giving	O
Sumo	O
access	O
to	O
their	O
asset	O
library	O
as	O
well	O
as	O
designing	O
and	O
modeling	O
Banjo	O
and	O
Kazooie	O
's	O
in-game	O
vehicle	O
.	O
</s>
<s>
The	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
also	O
features	O
playable	O
Avatars	B-Device
,	O
while	O
the	B-Operating_System
Wii	I-Operating_System
version	O
includes	O
playable	O
Miis	O
.	O
</s>
<s>
Three	O
demos	O
of	O
the	O
game	O
were	O
released	O
:	O
The	O
first	O
,	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
,	O
was	O
released	O
on	O
the	O
Xbox	B-Operating_System
Live	O
Marketplace	O
on	O
February	O
8	O
,	O
2010	O
.	O
</s>
<s>
The	O
second	O
,	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
,	O
was	O
released	O
via	O
the	O
Nintendo	O
Channel	O
on	O
February	O
15	O
,	O
2010	O
.	O
</s>
<s>
The	O
third	O
,	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
was	O
made	O
available	O
on	O
the	O
PlayStation	B-Device
Network	I-Device
Store	O
on	O
February	O
18	O
,	O
2010	O
.	O
</s>
<s>
ToeJam	B-Application
&	I-Application
Earl	I-Application
were	O
originally	O
planned	O
to	O
be	O
in	O
Sonic	B-Application
&	I-Application
Sega	I-Application
All-Stars	I-Application
Racing	I-Application
as	O
a	O
duo	O
driving	O
their	O
spaceship	O
,	O
but	O
Sega	O
could	O
not	O
come	O
to	O
terms	O
with	O
ToeJam	B-Application
&	I-Application
Earl	I-Application
Productions	O
co-founder	O
Greg	O
Johnson	O
.	O
</s>
<s>
In	O
its	O
prototype	O
form	O
,	O
Gilius	O
Thunderhead	O
from	O
Golden	B-Application
Axe	I-Application
was	O
a	O
playable	O
character	O
who	O
rode	O
one	O
of	O
the	O
Chickenleg	O
monsters	O
from	O
the	O
game	O
.	O
</s>
<s>
Lycett	O
has	O
also	O
talked	O
about	O
Vyse	O
from	O
Skies	B-Device
of	I-Device
Arcadia	I-Device
in	O
an	O
interview	O
with	O
Gamereactor	O
.	O
</s>
<s>
Segata	O
Sanshiro	O
was	O
also	O
considered	O
as	O
a	O
possible	O
character	O
,	O
riding	O
a	O
Sega	B-Device
Saturn	I-Device
,	O
though	O
he	O
did	O
not	O
end	O
up	O
in	O
the	O
roster	O
.	O
</s>
<s>
Early	O
in	O
development	O
,	O
Mario	B-Application
was	O
considered	O
as	O
a	O
Wii-exclusive	O
addition	O
,	O
but	O
Sega	O
decided	O
against	O
it	O
so	O
as	O
not	O
to	O
cause	O
cross-contamination	O
with	O
its	O
Mario	B-Application
and	I-Application
Sonic	I-Application
series	O
.	O
</s>
<s>
Producer	O
Omar	O
Woodley	O
confirmed	O
in	O
an	O
interview	O
that	O
there	O
would	O
be	O
DLC	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
and	O
PlayStation	B-Operating_System
3	I-Operating_System
versions	O
of	O
the	O
game	O
.	O
</s>
<s>
Lycett	O
has	O
mentioned	O
that	O
the	B-Operating_System
Wii	I-Operating_System
wo	O
n't	O
receive	O
any	O
DLC	O
due	O
to	O
storage	O
limits	O
.	O
</s>
<s>
As	O
a	O
pre-order	O
bonus	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
and	O
PlayStation	B-Operating_System
3	I-Operating_System
versions	O
in	O
PAL	O
regions	O
,	O
an	O
alternate	O
version	O
of	O
Ryo	B-Application
Hazuki	I-Application
was	O
made	O
available	O
to	O
download	O
in	O
which	O
he	O
would	O
drive	O
his	O
forklift	O
outside	O
his	O
All-Star	O
move	O
as	O
his	O
standard	O
vehicle	O
.	O
</s>
<s>
Exclusive	O
DLC	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
include	O
a	O
game	O
add-on	O
that	O
unlocks	O
all	O
characters	O
and	O
tracks	O
without	O
using	O
SEGA	O
miles	O
,	O
released	O
March	O
16	O
,	O
2010	O
.	O
</s>
<s>
Avatar	B-Device
content	O
for	O
the	O
game	O
was	O
released	O
on	O
the	O
Xbox	B-Operating_System
Live	O
Marketplace	O
on	O
March	O
25	O
,	O
2010	O
.	O
</s>
<s>
A	O
pack	O
containing	O
Metal	O
Sonic	B-Application
as	O
a	O
playable	O
character	O
and	O
the	O
"	O
Death	O
Egg	O
Hangar	O
"	O
track	O
,	O
with	O
Ristar	B-Application
as	O
a	O
cameo	O
appearance	O
,	O
was	O
officially	O
released	O
on	O
the	O
Xbox	B-Operating_System
Live	O
Marketplace	O
on	O
April	O
8	O
,	O
2010	O
,	O
and	O
the	O
PlayStation	O
Store	O
on	O
April	O
22	O
,	O
2010	O
.	O
</s>
<s>
IGN	O
gave	O
both	O
the	O
console	O
and	O
DS	B-Device
versions	O
8/10	O
each	O
,	O
calling	O
it	O
'	O
a	O
clone	O
that	O
gets	O
it	O
right.	O
'	O
</s>
<s>
GamesMaster	O
gave	O
the	O
game	O
83%	O
for	O
the	O
console	O
versions	O
and	O
70%	O
for	O
the	O
DS	B-Device
version	O
,	O
calling	O
it	O
'	O
the	O
best	O
kart	O
racer	O
on	O
360/PS3	O
,	O
but	O
not	O
quite	O
the	O
Mario	O
Kart-beater	O
we	O
hoped	O
for	O
 '	O
.	O
</s>
<s>
Nintendo	B-Application
Power	I-Application
gave	O
the	B-Operating_System
Wii	I-Operating_System
version	O
8/10	O
and	O
the	O
DS	B-Device
version	O
6/10	O
.	O
</s>
<s>
Official	O
Nintendo	O
Magazine	O
gave	O
both	O
the	O
DS	B-Device
and	O
Wii	B-Operating_System
version	O
75%	O
.	O
</s>
<s>
GamesRadar	O
gave	O
the	O
console	O
versions	O
of	O
the	O
game	O
8/10	O
,	O
praising	O
its	O
pick-up-and-play	O
fun	O
while	O
criticising	O
its	O
uninspired	O
weapons	O
,	O
whereas	O
the	O
DS	B-Device
version	O
got	O
7/10	O
.	O
</s>
<s>
By	O
March	O
2010	O
,	O
Sonic	B-Application
&	I-Application
Sega	I-Application
All-Stars	I-Application
Racing	I-Application
had	O
sold	O
1.07million	O
copies	O
worldwide	O
,	O
on	O
the	B-Operating_System
PS3	I-Operating_System
,	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
Wii	B-Operating_System
and	O
DS	B-Device
.	O
</s>
<s>
On	O
iOS	B-Application
,	O
the	O
game	O
hit	O
more	O
than	O
16.7million	O
downloads	O
in	O
North	O
America	O
and	O
Europe	O
as	O
of	O
2013	O
,	O
including	O
free	O
downloads	O
for	O
a	O
week	O
in	O
June	O
2012	O
.	O
</s>
<s>
The	O
game	O
was	O
later	O
announced	O
as	O
Sonic	B-Application
&	I-Application
All-Stars	I-Application
Racing	I-Application
Transformed	I-Application
,	O
and	O
was	O
released	O
for	O
Wii	B-Device
U	I-Device
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
PlayStation	B-Device
Vita	I-Device
,	O
and	O
Xbox	B-Operating_System
360	I-Operating_System
in	O
2012	O
,	O
Nintendo	B-Operating_System
3DS	I-Operating_System
and	O
Microsoft	B-Device
Windows	I-Device
in	O
2013	O
and	O
iOS	B-Application
and	O
Android	B-Application
in	O
2014	O
.	O
</s>
