<s>
is	O
a	O
2001	O
platform	O
game	O
developed	O
by	O
Sonic	B-Application
Team	O
USA	O
and	O
published	O
by	O
Sega	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
.	O
</s>
<s>
It	O
features	O
two	O
good-vs-evil	O
stories	O
:	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
,	O
Tails	O
,	O
and	O
Knuckles	O
the	O
Echidna	O
attempt	O
to	O
save	O
the	O
world	O
,	O
while	O
Shadow	B-Application
the	I-Application
Hedgehog	I-Application
,	O
Doctor	O
Eggman	O
,	O
and	O
Rouge	O
the	O
Bat	O
attempt	O
to	O
conquer	O
it	O
.	O
</s>
<s>
The	O
stories	O
are	O
divided	O
into	O
three	O
gameplay	O
styles	O
:	O
fast-paced	O
platforming	O
for	O
Sonic	B-Application
and	O
Shadow	O
,	O
multidirectional	O
shooting	O
for	O
Tails	O
and	O
Eggman	O
,	O
and	O
action-adventure	O
exploration	O
for	O
Knuckles	O
and	O
Rouge	O
.	O
</s>
<s>
Development	O
began	O
soon	O
after	O
the	O
American	O
release	O
of	O
Sonic	B-Application
Adventure	I-Application
in	O
1999	O
and	O
lasted	O
18	O
months	O
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
was	O
produced	O
in	O
commemoration	O
of	O
the	O
Sonic	B-Application
series	I-Application
 '	O
tenth	O
anniversary	O
and	O
was	O
designed	O
to	O
be	O
faster-paced	O
and	O
more	O
action-oriented	O
than	O
the	O
original	O
.	O
</s>
<s>
Sega	O
announced	O
Sonic	B-Application
Adventure	I-Application
2	O
in	O
October	O
1999	O
and	O
exhibited	O
it	O
at	O
E3	O
2000	O
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
was	O
released	O
in	O
June	O
2001	O
.	O
</s>
<s>
It	O
was	O
the	O
final	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
game	O
for	O
a	O
Sega	O
console	O
,	O
released	O
in	O
the	O
months	O
after	O
Sega	O
discontinued	O
the	B-Operating_System
Dreamcast	I-Operating_System
and	O
transitioned	O
to	O
third-party	O
development	O
.	O
</s>
<s>
A	O
port	O
for	O
the	O
GameCube	B-Application
was	O
released	O
in	O
late	O
2001	O
in	O
Japan	O
and	O
early	O
2002	O
in	O
North	O
America	O
and	O
Europe	O
;	O
it	O
features	O
improved	O
textures	O
and	O
multiplayer	O
options	O
.	O
</s>
<s>
Together	O
,	O
the	B-Operating_System
Dreamcast	I-Operating_System
and	O
GameCube	B-Application
versions	O
sold	O
more	O
than	O
two	O
million	O
copies	O
worldwide	O
.	O
</s>
<s>
A	O
downloadable	O
version	O
was	O
released	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
and	O
Windows	O
in	O
2012	O
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
is	O
a	O
3D	O
platform	O
game	O
divided	O
into	O
two	O
campaigns	O
:	O
Hero	O
and	O
Dark	O
.	O
</s>
<s>
In	O
the	O
Hero	O
campaign	O
,	O
players	O
control	O
Sonic	B-Application
,	O
Tails	O
,	O
and	O
Knuckles	O
,	O
who	O
fight	O
to	O
save	O
the	O
world	O
;	O
in	O
the	O
Dark	O
campaign	O
,	O
players	O
control	O
Shadow	B-Application
the	I-Application
Hedgehog	I-Application
,	O
Doctor	O
Eggman	O
and	O
Rouge	O
the	O
Bat	O
,	O
fighting	O
to	O
conquer	O
it	O
.	O
</s>
<s>
Sonic	B-Application
and	O
Shadow	O
play	O
fast-paced	O
levels	O
,	O
emphasizing	O
platforming	O
.	O
</s>
<s>
Knuckles	O
's	O
and	O
Rouge	O
's	O
levels	O
are	O
open	O
and	O
feature	O
action-adventure	O
gameplay	O
with	O
treasure	O
hunting	O
;	O
in	O
each	O
level	O
,	O
they	O
must	O
find	O
three	O
shards	O
of	O
the	O
Master	O
Emerald	O
.	O
</s>
<s>
Adventure	O
2	O
has	O
the	O
health	O
system	O
found	O
in	O
many	O
other	O
Sonic	B-Application
games	O
.	O
</s>
<s>
Dying	O
with	O
no	O
lives	O
results	O
in	O
a	O
game	B-Application
over	I-Application
screen	O
.	O
</s>
<s>
The	O
characters	O
can	O
obtain	O
permanent	O
upgrades	O
that	O
grant	O
them	O
new	O
abilities	O
;	O
for	O
example	O
,	O
one	O
upgrade	O
allows	O
Sonic	B-Application
and	O
Shadow	O
to	O
dash	O
along	O
a	O
sequential	O
trail	O
of	O
rings	O
to	O
reach	O
distant	O
platforms	O
,	O
one	O
gives	O
Tails	O
and	O
Eggman	O
hover	O
jets	O
that	O
slows	O
their	O
descent	O
in	O
order	O
to	O
cross	O
large	O
gaps	O
,	O
while	O
another	O
lets	O
Knuckles	O
and	O
Rouge	O
dig	O
into	O
the	O
ground	O
to	O
uncover	O
treasure	O
and	O
Master	O
Emerald	O
pieces	O
.	O
</s>
<s>
From	O
the	O
moment	O
they	O
hatch	O
,	O
their	O
stats	O
can	O
be	O
increased	O
with	O
Chaos	O
Drives	O
or	O
small	O
animals	O
,	O
found	O
in	O
the	O
main	O
stages	O
,	O
which	O
empower	O
them	O
to	O
compete	O
in	O
karate	B-Application
and	O
racing	O
minigames	O
.	O
</s>
<s>
Collecting	O
all	O
the	O
emblems	O
unlocks	O
a	O
3D	O
version	O
of	O
the	O
Green	O
Hill	O
Zone	O
stage	O
from	O
the	O
original	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
.	O
</s>
<s>
A	O
few	O
characters	O
are	O
playable	O
in	O
these	O
modes	O
,	O
but	O
not	O
in	O
the	O
main	O
game	O
;	O
Tikal	O
and	O
Chaos	O
from	O
the	O
original	O
Sonic	B-Application
Adventure	I-Application
are	O
playable	O
in	O
the	O
treasure-hunting	O
game	O
,	O
as	O
are	O
Amy	O
Rose	O
and	O
Metal	O
Sonic	B-Application
in	O
the	O
foot-racing	O
levels	O
and	O
mechs	O
piloted	O
by	O
Chao	O
and	O
Big	O
the	O
Cat	O
(	O
replaced	O
by	O
a	O
Dark	O
Chao	O
in	O
Battle	O
)	O
in	O
the	O
shooting	O
levels	O
.	O
</s>
<s>
Shadow	O
blasts	O
through	O
the	O
military	O
force	O
and	O
meets	O
Sonic	B-Application
.	O
</s>
<s>
captures	O
Sonic	B-Application
,	O
whom	O
they	O
mistake	O
for	O
Shadow	O
.	O
</s>
<s>
'	O
s	O
island	O
base	O
and	O
rescue	O
Sonic	B-Application
,	O
while	O
Eggman	O
,	O
Shadow	O
,	O
and	O
Rouge	O
collect	O
three	O
Emeralds	O
on	O
the	O
island	O
.	O
</s>
<s>
Sonic	B-Application
,	O
Tails	O
,	O
Amy	O
,	O
and	O
Knuckles	O
use	O
a	O
Chaos	O
Emerald	O
in	O
their	O
possession	O
to	O
track	O
down	O
the	O
others	O
on	O
the	O
ARK	O
.	O
</s>
<s>
As	O
Sonic	B-Application
is	O
about	O
to	O
use	O
it	O
,	O
Eggman	O
tells	O
him	O
that	O
he	O
has	O
captured	O
Tails	O
and	O
Amy	O
,	O
forcing	O
him	O
to	O
return	O
and	O
rescue	O
them	O
.	O
</s>
<s>
Sonic	B-Application
tries	O
to	O
trick	O
Eggman	O
with	O
the	O
fake	O
Emerald	O
,	O
but	O
Eggman	O
sees	O
through	O
the	O
plan	O
and	O
jettisons	O
him	O
in	O
an	O
escape	O
pod	O
rigged	O
with	O
explosives	O
.	O
</s>
<s>
Tails	O
,	O
thinking	O
Sonic	B-Application
is	O
dead	O
,	O
fights	O
and	O
defeats	O
Eggman	O
.	O
</s>
<s>
Sonic	B-Application
uses	O
the	O
power	O
of	O
the	O
fake	O
Emerald	O
to	O
initiate	O
"	O
Chaos	O
Control	O
"	O
and	O
escape	O
;	O
Shadow	O
is	O
sent	O
to	O
intercept	O
him	O
.	O
</s>
<s>
Shadow	O
catches	O
up	O
with	O
Sonic	B-Application
and	O
Knuckles	O
in	O
the	O
core	O
as	O
they	O
encounter	O
the	O
Biolizard	O
,	O
a	O
prototype	O
Ultimate	O
Life	O
Form	O
.	O
</s>
<s>
Sonic	B-Application
and	O
Shadow	O
use	O
the	O
Emeralds	O
to	O
transform	O
into	O
their	O
super	O
forms	O
,	O
defeating	O
the	O
Finalhazard	O
and	O
using	O
Chaos	O
Control	O
to	O
teleport	O
the	O
ARK	O
back	O
into	O
stable	O
orbit	O
.	O
</s>
<s>
The	O
people	O
on	O
Earth	O
celebrate	O
as	O
the	O
heroes	O
return	O
home	O
,	O
and	O
Sonic	B-Application
bids	O
Shadow	O
farewell	O
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
was	O
developed	O
by	O
Sonic	B-Application
Team	O
USA	O
,	O
a	O
former	O
American	O
division	O
of	O
Sonic	B-Application
Team	O
,	O
and	O
published	O
by	O
Sega	O
.	O
</s>
<s>
Development	O
began	O
shortly	O
after	O
the	O
release	O
of	O
the	O
American	O
version	O
of	O
Sonic	B-Application
Adventure	I-Application
in	O
September	O
1999	O
,	O
and	O
lasted	O
18	O
months	O
.	O
</s>
<s>
It	O
was	O
designed	O
to	O
be	O
more	O
action-oriented	O
than	O
the	O
slower	O
,	O
more	O
story-based	O
Adventure	O
.	O
</s>
<s>
The	O
development	O
team	O
ran	O
the	O
game	O
at	O
60	O
frames	O
per	O
second	O
with	O
"	O
tempo	O
"	O
,	O
giving	O
Sonic	B-Application
a	O
variety	O
of	O
actions	O
rather	O
than	O
focusing	O
on	O
speed	O
alone	O
.	O
</s>
<s>
Its	O
levels	O
facilitated	O
this	O
flow	O
,	O
making	O
Sonic	B-Application
seem	O
faster	O
.	O
</s>
<s>
The	O
levels	O
and	O
environments	O
were	O
inspired	O
by	O
San	O
Francisco	O
,	O
where	O
Sonic	B-Application
Team	O
had	O
its	O
office	O
,	O
and	O
other	O
American	O
locations	O
,	O
such	O
as	O
Yosemite	O
National	O
Park	O
(	O
where	O
the	O
team	O
vacationed	O
)	O
and	O
the	O
San	O
Francisco	O
Bay	O
Area	O
.	O
</s>
<s>
Although	O
the	O
level	O
design	O
prioritized	O
the	O
frame	O
rate	O
,	O
it	O
was	O
more	O
streamlined	O
than	O
Adventure	O
because	O
of	O
the	O
team	O
's	O
experience	O
with	O
Dreamcast	B-Operating_System
hardware	O
.	O
</s>
<s>
Whereas	O
Sonic	B-Application
Team	O
had	O
tried	O
to	O
include	O
as	O
much	O
content	O
as	O
possible	O
in	O
Sonic	B-Application
Adventure	I-Application
,	O
for	O
the	O
sequel	O
they	O
only	O
concentrated	O
on	O
the	O
elements	O
they	O
deemed	O
necessary	O
.	O
</s>
<s>
Naka	O
said	O
Sonic	B-Application
Adventure	I-Application
2	O
was	O
also	O
easier	O
to	O
develop	O
,	O
as	O
Sonic	B-Application
Team	O
could	O
now	O
"	O
tap	O
the	O
full	O
power	O
of	O
the	O
console	O
and	O
deliver	O
a	O
much	O
better	O
experience	O
"	O
.	O
</s>
<s>
Iizuka	O
described	O
the	O
Chao	O
as	O
a	O
"	O
relative	O
neutral	O
entity	O
"	O
in	O
Sonic	B-Application
Adventure	I-Application
.	O
</s>
<s>
Sonic	B-Application
Team	O
showcased	O
Sonic	B-Application
Adventure	I-Application
2	O
with	O
a	O
trailer	O
at	O
E3	O
2000	O
,	O
and	O
uploaded	O
the	O
trailer	O
to	O
its	O
website	O
on	O
June	O
30	O
.	O
</s>
<s>
Sonic	B-Application
Team	O
posted	O
a	O
trailer	O
and	O
a	O
number	O
of	O
screenshots	O
on	O
May	O
30	O
,	O
2001	O
,	O
with	O
Sega	O
promoting	O
Sonic	B-Application
Adventure	I-Application
2	O
as	O
the	O
last	O
Sonic	B-Application
game	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
and	O
as	O
marking	O
the	O
series	O
 '	O
10th	O
anniversary	O
.	O
</s>
<s>
Sega	O
held	O
a	O
10th-anniversary	O
party	O
for	O
Sonic	B-Application
in	O
June	O
2001	O
,	O
at	O
which	O
attendees	O
could	O
compete	O
in	O
a	O
battle	O
tournament	O
;	O
the	O
winner	O
played	O
against	O
Iizuka	O
.	O
</s>
<s>
As	O
with	O
Sonic	B-Application
Adventure	I-Application
,	O
Jun	O
Senoue	O
served	O
as	O
sound	O
director	O
and	O
lead	O
composer	O
.	O
</s>
<s>
The	O
team	O
wanted	O
Sonic	B-Application
Adventure	I-Application
2	O
audio	O
to	O
stand	O
out	O
,	O
rather	O
than	O
merely	O
serving	O
as	O
background	O
music	O
.	O
</s>
<s>
Senoue	O
felt	O
that	O
some	O
of	O
Sonic	B-Application
Adventure	I-Application
tracks	O
were	O
not	O
as	O
memorable	O
as	O
others	O
.	O
</s>
<s>
He	O
edited	O
tracks	O
using	O
a	O
Mac	B-Device
.	O
</s>
<s>
After	O
Sonic	B-Application
Team	O
approved	O
the	O
music	O
,	O
Senoue	O
finished	O
sequencing	O
it	O
and	O
sent	O
it	O
to	O
the	O
musicians	O
for	O
production	O
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
Multi-Dimensional	O
Original	O
Soundtrack	O
was	O
released	O
in	O
Japan	O
by	O
Marvelous	O
Entertainment	O
on	O
September	O
5	O
,	O
2001	O
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
Vocals	O
Collection	O
:	O
Cuts	O
Unleashed	O
,	O
an	O
album	O
with	O
character	O
theme	O
tracks	O
by	O
Senoue	O
and	O
Tokoi	O
,	O
was	O
released	O
by	O
MMV	O
in	O
Japan	O
on	O
August	O
21	O
,	O
2001	O
.	O
</s>
<s>
For	O
the	O
20th	O
anniversary	O
of	O
the	O
Sonic	B-Application
series	I-Application
,	O
Sonic	B-Application
Adventure	I-Application
2	O
Original	O
Soundtrack	O
20th	O
Anniversary	O
Edition	O
was	O
released	O
on	O
iTunes	B-Operating_System
on	O
June	O
22	O
,	O
2011	O
.	O
</s>
<s>
On	O
October	O
29	O
,	O
2014	O
,	O
a	O
two-volume	O
original	O
soundtrack	O
was	O
released	O
on	O
iTunes	B-Operating_System
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
was	O
ported	O
to	O
the	O
Nintendo	B-Application
GameCube	I-Application
as	O
Sonic	B-Application
Adventure	I-Application
2	I-Application
:	I-Application
Battle	I-Application
on	O
December	O
20	O
,	O
2001	O
.	O
</s>
<s>
Battle	O
also	O
upgrades	O
much	O
of	O
the	O
Chao	O
system	O
,	O
with	O
a	O
Chao	O
's	O
stats	O
viewable	O
within	O
the	O
game	O
,	O
and	O
the	O
option	O
to	O
transfer	O
Chao	O
from	O
Sonic	B-Application
Adventure	I-Application
2	O
Battle	O
to	O
the	O
Tiny	O
Chao	O
Garden	O
in	O
Sonic	B-Application
Advance	I-Application
,	O
Sonic	B-Application
Advance	I-Application
2	I-Application
,	O
and	O
Sonic	B-Application
Pinball	I-Application
Party	I-Application
with	O
the	O
GameCube	B-Device
–	I-Device
Game	I-Device
Boy	I-Device
Advance	I-Device
link	I-Device
cable	I-Device
.	O
</s>
<s>
If	O
a	O
Game	B-Device
Boy	I-Device
Advance	I-Device
is	O
connected	O
without	O
a	O
game	O
,	O
a	O
version	O
of	O
the	O
Tiny	O
Chao	O
Garden	O
can	O
be	O
copied	O
temporarily	O
into	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
memory	O
.	O
</s>
<s>
This	O
version	O
also	O
introduces	O
the	O
Chao	O
Karate	B-Application
feature	O
.	O
</s>
<s>
In	O
Europe	O
,	O
Battle	O
was	O
marketed	O
and	O
distributed	O
by	O
Infogrames	O
,	O
following	O
a	O
deal	O
to	O
distribute	O
Sega	O
's	O
games	O
on	O
the	O
GameCube	B-Application
and	O
GBA	B-Device
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
was	O
re-released	O
in	O
high	O
definition	O
on	O
the	O
PlayStation	B-Device
Network	I-Device
in	O
North	O
America	O
on	O
October	O
2	O
,	O
2012	O
,	O
in	O
Europe	O
on	O
October	O
3	O
,	O
2012	O
and	O
in	O
Japan	O
on	O
October	O
4	O
,	O
2012	O
.	O
</s>
<s>
It	O
was	O
released	O
worldwide	O
on	O
the	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
on	O
October	O
5	O
,	O
2012	O
and	O
on	O
Windows	O
via	O
Steam	B-Application
on	O
November	O
19	O
,	O
2012	O
.	O
</s>
<s>
The	O
additional	O
Battle	O
content	O
is	O
available	O
as	O
downloadable	B-Protocol
content	I-Protocol
.	O
</s>
<s>
On	O
November	O
30	O
,	O
2017	O
,	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
was	O
made	O
backward	B-Device
compatible	I-Device
with	O
the	B-Device
Xbox	I-Device
One	I-Device
,	O
and	O
was	O
later	O
extended	O
to	O
the	O
Xbox	B-Device
Series	I-Device
X/S	I-Device
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
received	O
"	O
generally	O
favorable	O
"	O
reviews	O
.	O
</s>
<s>
Anthony	O
Chau	O
of	O
IGN	O
called	O
it	O
one	O
of	O
the	O
best	O
Sonic	B-Application
games	O
:	O
"	O
If	O
this	O
is	O
the	O
last	O
Sonic	B-Application
game	O
in	O
these	O
declining	O
Dreamcast	B-Operating_System
years	O
,	O
it	O
's	O
satisfying	O
to	O
know	O
that	O
the	O
DC	O
did	O
n't	O
go	O
out	O
with	O
a	O
bang	O
,	O
but	O
with	O
a	O
sonic	B-Application
boom.	O
"	O
</s>
<s>
In	O
2022	O
,	O
IGN	O
would	O
rank	O
the	O
title	O
as	O
one	O
of	O
the	O
best	O
Dreamcast	B-Operating_System
games	O
.	O
</s>
<s>
According	O
to	O
Chau	O
,	O
the	O
game	O
had	O
"	O
some	O
of	O
the	O
best	O
textures	O
ever	O
seen	O
"	O
and	O
was	O
one	O
of	O
the	O
most	O
beautiful	O
Dreamcast	B-Operating_System
games	O
.	O
</s>
<s>
Edge	O
was	O
impressed	O
by	O
the	O
texture	O
detail	O
and	O
draw	B-General_Concept
distance	I-General_Concept
,	O
and	O
Chau	O
,	O
Liu	O
and	O
Ahmed	O
praised	O
its	O
60-frame-per-second	O
rendering	O
speed	O
.	O
</s>
<s>
Although	O
Liu	O
agreed	O
that	O
despite	O
the	O
game	O
's	O
ambitious	O
scope	O
and	O
themes	O
it	O
failed	O
to	O
advance	O
the	O
series	O
 '	O
core	O
plot	O
beyond	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
Sonic	B-Application
games	O
,	O
Edge	O
appreciated	O
the	O
story	O
's	O
presentation	O
from	O
both	O
perspectives	O
:	O
hero	O
and	O
villain	O
.	O
</s>
<s>
Despite	O
high	O
review	O
scores	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
version	O
,	O
the	O
GameCube	B-Application
version	O
released	O
six	O
months	O
later	O
received	O
mixed	O
reviews	O
:	O
respective	O
Metacritic	O
and	O
GameRankings	O
scores	O
of	O
73	O
percent	O
and	O
72.33	O
percent	O
.	O
</s>
<s>
Critics	O
generally	O
felt	O
that	O
it	O
was	O
not	O
significantly	O
improved	O
from	O
the	B-Operating_System
Dreamcast	I-Operating_System
original	O
.	O
</s>
<s>
However	O
,	O
Shane	O
Bettenhausen	O
of	O
GameSpy	O
saw	O
Battle	O
as	O
noticeably	O
superior	O
;	O
in	O
addition	O
to	O
its	O
upgrades	O
,	O
its	O
action	B-Application
was	O
better	O
suited	O
to	O
the	O
GameCube	B-Application
's	O
controller	O
than	O
the	B-Operating_System
Dreamcast	I-Operating_System
's	O
.	O
</s>
<s>
The	B-Operating_System
Dreamcast	I-Operating_System
version	O
of	O
Sonic	B-Application
Adventure	I-Application
2	O
sold	O
over	O
84,000	O
copies	O
during	O
its	O
first	O
week	O
in	O
Japan	O
,	O
and	O
a	O
total	O
of	O
around	O
500,000	O
copies	O
worldwide	O
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
Battle	O
for	O
the	O
GameCube	B-Application
sold	O
almost	O
50,000	O
copies	O
during	O
its	O
first	O
week	O
in	O
Japan	O
,	O
where	O
it	O
went	O
on	O
to	O
sell	O
192,186	O
units	O
as	O
of	O
December	O
23	O
,	O
2002	O
.	O
</s>
<s>
In	O
North	O
America	O
,	O
it	O
was	O
the	O
best-selling	O
GameCube	B-Application
title	O
between	O
January	O
and	O
August	O
2002	O
,	O
with	O
465,000	O
copies	O
sold	O
during	O
that	O
period	O
.	O
</s>
<s>
Next	O
Generation	O
ranked	O
it	O
as	O
the	O
42nd	O
highest-selling	O
game	O
launched	O
for	O
the	O
PlayStation	B-Device
2	I-Device
,	O
Xbox	B-Application
or	O
GameCube	B-Application
between	O
January	O
2000	O
and	O
July	O
2006	O
in	O
that	O
country	O
.	O
</s>
<s>
It	O
sold	O
1.44million	O
copies	O
in	O
the	O
United	O
States	O
,	O
making	O
it	O
one	O
of	O
the	O
best-selling	B-Device
GameCube	I-Device
games	I-Device
and	O
the	O
best-selling	O
third-party	O
game	O
for	O
the	O
system	O
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
Battle	O
also	O
sold	O
more	O
than	O
100,000	O
units	O
in	O
the	O
United	O
Kingdom	O
,	O
for	O
a	O
total	O
of	O
over	O
units	O
sold	O
worldwide	O
for	O
the	O
GameCube	B-Application
.	O
</s>
<s>
This	O
adds	O
up	O
to	O
a	O
combined	O
total	O
of	O
more	O
than	O
2,232,186	O
units	O
sold	O
worldwide	O
for	O
both	O
the	B-Operating_System
Dreamcast	I-Operating_System
and	O
GameCube	B-Application
versions	O
.	O
</s>
<s>
Sonic	B-Application
Adventure	I-Application
2	O
received	O
several	O
accolades	O
,	O
including	O
the	O
2001	O
IGN	O
's	O
Editors	O
 '	O
Choice	O
Award	O
.	O
</s>
<s>
ScrewAttack	O
called	O
it	O
the	O
fifth-best	O
Dreamcast	B-Operating_System
game	O
,	O
and	O
GamesRadar	O
rated	O
it	O
the	O
tenth-greatest	O
Dreamcast	B-Operating_System
game	O
out	O
of	O
25	O
:	O
"	O
Despite	O
trailing	O
off	O
significantly	O
in	O
recent	O
years	O
,	O
the	O
3D	O
side	O
of	O
the	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
franchise	O
had	O
a	O
surprisingly	O
stellar	O
start	O
with	O
the	O
Sonic	B-Application
Adventure	I-Application
entries	O
,	O
and	O
the	O
2001	O
sequel	O
really	O
amped	O
up	O
the	O
action.	O
"	O
</s>
<s>
In	O
a	O
video	O
interview	O
with	O
Takashi	O
Iizuka	O
,	O
he	O
says	O
Sonic	B-Application
Adventure	I-Application
2	O
is	O
his	O
favourite	O
Sonic	B-Application
game	O
.	O
</s>
<s>
Shadow	O
and	O
Rouge	O
,	O
who	O
debuted	O
in	O
Adventure	O
2	O
,	O
have	O
become	O
recurring	O
characters	O
in	O
the	O
Sonic	B-Application
franchise	I-Application
.	O
</s>
<s>
Both	O
appeared	O
along	O
with	O
new	O
character	O
E-123	O
Omega	O
as	O
"	O
Team	O
Dark	O
,	O
"	O
one	O
of	O
the	O
playable	O
character	O
teams	O
,	O
in	O
Sonic	B-Application
Heroes	I-Application
(	O
2003	O
)	O
,	O
the	O
follow-up	O
to	O
Adventure	O
2	O
.	O
</s>
<s>
A	O
Shadow	O
spin-off	O
,	O
Shadow	B-Application
the	I-Application
Hedgehog	I-Application
(	O
2005	O
)	O
,	O
expanded	O
on	O
the	O
Adventure	O
2	O
plot	O
and	O
featured	O
a	O
similar	O
3D	O
platforming	O
gameplay	O
.	O
</s>
<s>
With	O
a	O
few	O
modifications	O
,	O
the	O
plots	O
of	O
Adventure	O
and	O
Adventure	O
2	O
were	O
adapted	O
into	O
the	O
second	O
season	O
of	O
the	O
anime	O
Sonic	B-Application
X	O
(	O
2003	O
–	O
06	O
)	O
.	O
</s>
<s>
American	O
licensing	O
corporation	O
4Kids	O
Entertainment	O
hired	O
an	O
entirely	O
new	O
voice	O
cast	O
for	O
the	O
English	O
dub	O
,	O
but	O
the	O
Japanese	O
cast	O
from	O
the	O
games	O
reprised	O
their	O
roles	O
in	O
the	O
original	O
version	O
of	O
the	O
show.Sonic	O
Generations	O
(	O
2011	O
)	O
,	O
released	O
to	O
mark	O
the	O
series	O
 '	O
twentieth	O
anniversary	O
,	O
contains	O
gameplay	O
elements	O
and	O
levels	O
from	O
various	O
Sonic	B-Application
games	O
.	O
</s>
<s>
Elements	O
from	O
Sonic	B-Application
Adventure	I-Application
2	O
included	O
a	O
remake	O
of	O
the	O
City	O
Escape	O
stage	O
in	O
the	O
console	O
versions	O
and	O
a	O
remake	O
of	O
the	O
Radical	O
Highway	O
stage	O
in	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
version	O
.	O
</s>
<s>
Shadow	O
also	O
appears	O
in	O
a	O
re-creation	O
of	O
his	O
boss	O
battle	O
,	O
and	O
the	O
Biolizard	O
boss	O
is	O
re-created	O
in	O
the	O
3DS	B-Operating_System
version	O
.	O
</s>
