<s>
Sonic	B-Application
Generations	I-Application
is	O
a	O
2011	O
platform	O
game	O
developed	O
by	O
Sonic	B-Application
Team	O
and	O
published	O
by	O
Sega	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
Windows	O
,	O
and	O
Nintendo	B-Operating_System
3DS	I-Operating_System
.	O
</s>
<s>
Produced	O
in	O
commemoration	O
of	O
the	O
20th	O
anniversary	O
of	O
the	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
series	I-Application
,	O
the	O
game	O
follows	O
Sonic	B-Application
and	O
his	O
sidekick	O
Tails	O
as	O
they	O
form	O
an	O
alliance	O
with	O
their	O
modern	O
selves	O
.	O
</s>
<s>
It	O
features	O
two	O
gameplay	O
styles	O
:	O
"	O
Classic	O
"	O
,	O
which	O
plays	O
from	O
a	O
side-scrolling	O
perspective	O
like	O
that	O
of	O
the	O
original	O
Sega	B-Operating_System
Genesis	I-Operating_System
Sonic	B-Application
games	O
,	O
and	O
"	O
Modern	O
"	O
,	O
3D	O
levels	O
similar	O
to	O
those	O
in	O
Sonic	B-Application
Unleashed	I-Application
(	O
2008	O
)	O
and	O
Sonic	B-Application
Colors	I-Application
(	O
2010	O
)	O
.	O
</s>
<s>
Development	O
of	O
Sonic	B-Application
Generations	I-Application
began	O
following	O
the	O
completion	O
of	O
Unleashed	O
.	O
</s>
<s>
Sonic	B-Application
Team	O
sought	O
to	O
re-imagine	O
the	O
most	O
popular	O
aspects	O
of	O
the	O
franchise	O
in	O
high-definition	O
,	O
and	O
developed	O
the	O
game	O
using	O
the	O
Hedgehog	O
Engine	O
.	O
</s>
<s>
Devil	O
's	O
Details	O
and	O
Dimps	O
helped	O
create	O
the	O
Windows	O
and	O
3DS	B-Operating_System
versions	O
,	O
respectively	O
.	O
</s>
<s>
Reception	O
to	O
the	O
3DS	B-Operating_System
version	O
was	O
mixed	O
;	O
reviewers	O
criticized	O
its	O
short	O
length	O
and	O
design	O
,	O
and	O
deemed	O
it	O
worse	O
than	O
Dimps	O
 '	O
previous	O
Sonic	B-Application
games	O
.	O
</s>
<s>
The	O
Classic	O
iteration	O
of	O
Sonic	B-Application
introduced	O
in	O
the	O
game	O
has	O
continued	O
to	O
make	O
appearances	O
throughout	O
the	O
franchise	O
.	O
</s>
<s>
Sonic	B-Application
Generations	I-Application
is	O
a	O
platform	O
game	O
in	O
which	O
players	O
control	O
two	O
variants	O
of	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
:	O
"	O
Classic	O
"	O
or	O
"	O
Modern	O
"	O
.	O
</s>
<s>
Classic	O
Sonic	B-Application
's	O
gameplay	O
is	O
restricted	O
side-scrolling	O
gameplay	O
similar	O
to	O
the	O
original	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
games	O
released	O
in	O
the	O
1990s	O
,	O
and	O
requires	O
him	O
to	O
use	O
moves	O
such	O
as	O
the	O
Spin	O
Dash	O
and	O
the	O
Spin	O
Attack	O
.	O
</s>
<s>
Modern	O
Sonic	B-Application
's	O
gameplay	O
follows	O
the	O
gameplay	O
style	O
of	O
Sonic	B-Application
Unleashed	I-Application
(	O
2008	O
)	O
,	O
and	O
Sonic	B-Application
Colors	I-Application
(	O
2010	O
)	O
,	O
featuring	O
an	O
amalgamation	O
of	O
third-person	O
and	O
side-scrolling	O
perspectives	O
and	O
techniques	O
such	O
as	O
boosting	O
and	O
homing	O
attacks	O
.	O
</s>
<s>
Both	O
Sonics	B-Application
collect	O
rings	O
as	O
a	O
form	O
of	O
health	O
,	O
and	O
power-ups	O
such	O
as	O
elemental	O
shields	O
,	O
invincibility	O
,	O
speed	O
shoes	O
,	O
skateboards	O
,	O
or	O
Wisps	O
.	O
</s>
<s>
Players	O
can	O
also	O
customize	O
each	O
Sonic	B-Application
's	O
abilities	O
,	O
and	O
purchase	O
additional	O
ones	O
at	O
a	O
Skill	O
Shop	O
.	O
</s>
<s>
The	O
levels	O
are	O
split	O
into	O
three	O
separate	O
eras	O
:	O
the	O
Classic	O
Era	O
(	O
focusing	O
on	O
levels	O
from	O
games	O
for	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
)	O
;	O
the	B-Operating_System
Dreamcast	I-Operating_System
Era	O
(	O
focusing	O
on	O
levels	O
from	O
games	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
,	O
GameCube	B-Application
,	O
Xbox	B-Device
,	O
and	O
PlayStation	B-Device
2	I-Device
)	O
;	O
and	O
the	O
Modern	O
Era	O
(	O
focusing	O
on	O
levels	O
from	O
games	O
for	O
the	B-Operating_System
Wii	I-Operating_System
,	O
Nintendo	B-Device
DS	I-Device
,	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
and	O
PlayStation	B-Operating_System
3	I-Operating_System
)	O
.	O
</s>
<s>
Each	O
level	O
consists	O
of	O
two	O
acts	O
(	O
one	O
for	O
each	O
Sonic	B-Application
)	O
,	O
and	O
ten	O
additional	O
missions	O
such	O
as	O
collecting	O
a	O
certain	O
amount	O
of	O
rings	O
or	O
completing	O
a	O
level	O
with	O
the	O
help	O
of	O
another	O
character	O
.	O
</s>
<s>
Defeating	O
each	O
boss	O
gives	O
the	O
player	O
a	O
Chaos	O
Emerald	O
,	O
and	O
once	O
the	O
game	O
has	O
been	O
completed	O
,	O
both	O
Sonics	B-Application
can	O
transform	O
into	O
their	O
super	O
forms	O
by	O
collecting	O
50	O
rings	O
in	O
a	O
normal	O
level	O
.	O
</s>
<s>
As	O
Super	O
Sonic	B-Application
,	O
the	O
player	O
is	O
invincible	O
and	O
their	O
speed	O
is	O
greatly	O
increased	O
.	O
</s>
<s>
However	O
the	O
Sonics	B-Application
lose	O
rings	O
while	O
in	O
this	O
form	O
,	O
and	O
will	O
revert	O
to	O
their	O
standard	O
form	O
when	O
all	O
the	O
rings	O
are	O
gone	O
.	O
</s>
<s>
An	O
emulation	O
of	O
the	O
original	O
1991	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
game	O
can	O
be	O
unlocked	O
in	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>
The	O
Time	O
Eater	O
proceeds	O
to	O
attack	O
(	O
"	O
Classic	O
"	O
)	O
Sonic	B-Application
as	O
he	O
travels	O
through	O
Green	O
Hill	O
at	O
the	O
beginning	O
of	O
the	O
original	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
,	O
and	O
interrupts	O
a	O
birthday	O
celebration	O
being	O
held	O
for	O
the	O
present	O
(	O
"	O
Modern	O
"	O
)	O
Sonic	B-Application
by	O
his	O
friends	O
,	O
scattering	O
them	O
all	O
through	O
different	O
time	O
portals	O
.	O
</s>
<s>
Modern	O
Sonic	B-Application
awakens	O
in	O
White	O
Space	O
and	O
rescues	O
Tails	O
after	O
traveling	O
through	O
Green	O
Hill	O
.	O
</s>
<s>
Modern	O
Sonic	B-Application
and	O
Tails	O
eventually	O
meet	O
their	O
Classic	O
counterparts	O
,	O
and	O
form	O
an	O
alliance	O
to	O
restore	O
their	O
world	O
.	O
</s>
<s>
They	O
rescue	O
many	O
of	O
their	O
friends	O
,	O
including	O
Knuckles	O
,	O
Amy	O
,	O
Rouge	O
,	O
Cream	O
,	O
Blaze	O
,	O
and	O
the	O
Chaotix	B-Application
,	O
while	O
battling	O
old	O
enemies	O
for	O
the	O
Chaos	O
Emeralds	O
.	O
</s>
<s>
Both	O
Sonics	B-Application
eventually	O
confront	O
the	O
two	O
doctors	O
,	O
who	O
overpower	O
them	O
using	O
the	O
Time	O
Eater	O
.	O
</s>
<s>
However	O
,	O
the	O
two	O
Sonics	B-Application
use	O
the	O
Chaos	O
Emeralds	O
to	O
transform	O
into	O
their	O
super	O
forms	O
and	O
defeat	O
the	O
Time	O
Eater	O
,	O
restoring	O
the	O
timeline	O
to	O
normal	O
.	O
</s>
<s>
Everyone	O
resumes	O
celebrating	O
Modern	O
Sonic	B-Application
's	O
birthday	O
while	O
Classic	O
Sonic	B-Application
and	O
Tails	O
bid	O
farewell	O
and	O
return	O
to	O
their	O
time	O
.	O
</s>
<s>
Development	O
of	O
Sonic	B-Application
Generations	I-Application
began	O
after	O
the	O
completion	O
of	O
Sonic	B-Application
Unleashed	I-Application
in	O
2008	O
,	O
when	O
developer	O
Sonic	B-Application
Team	O
began	O
discussing	O
possible	O
ideas	O
for	O
a	O
twentieth	O
anniversary	O
Sonic	B-Application
game	O
.	O
</s>
<s>
Producer	O
Takashi	O
Iizuka	O
wanted	O
a	O
game	O
that	O
incorporated	O
the	O
best	O
of	O
Sonic	B-Application
's	O
history	O
,	O
and	O
offered	O
more	O
replay	O
value	O
compared	O
to	O
previous	O
games	O
.	O
</s>
<s>
The	O
team	O
chose	O
to	O
develop	O
on	O
the	O
high-definition	O
(	O
HD	O
)	O
Xbox	B-Operating_System
360	I-Operating_System
and	O
PlayStation	B-Operating_System
3	I-Operating_System
consoles	O
,	O
wanting	O
the	O
game	O
to	O
re-imagine	O
levels	O
and	O
aspects	O
of	O
previous	O
entries	O
with	O
high-quality	O
graphics	O
.	O
</s>
<s>
Dimps	O
assisted	O
with	O
production	O
of	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
version	O
.	O
</s>
<s>
Sega	O
considered	O
making	O
the	O
3DS	B-Operating_System
version	O
a	O
port	O
of	O
the	O
console	O
versions	O
,	O
but	O
instead	O
chose	O
to	O
develop	O
from	O
scratch	O
to	O
make	O
it	O
unique	O
and	O
celebrate	O
Sonic	B-Application
's	O
portable	O
history	O
.	O
</s>
<s>
A	O
version	O
for	O
the	B-Operating_System
Wii	I-Operating_System
was	O
planned	O
,	O
but	O
was	O
eventually	O
abandoned	O
due	O
to	O
hardware	O
constraints	O
.	O
</s>
<s>
The	O
game	O
makes	O
use	O
of	O
the	O
Hedgehog	O
Engine	O
,	O
the	O
game	O
engine	O
Sonic	B-Application
Team	O
used	O
for	O
developing	O
Unleashed	O
.	O
</s>
<s>
To	O
help	O
decide	O
which	O
levels	O
would	O
appear	O
in	O
the	O
game	O
,	O
Sega	O
polled	O
all	O
their	O
employees	O
and	O
conducted	O
an	O
internet	O
survey	O
about	O
popular	O
Sonic	B-Application
stages	O
,	O
with	O
the	O
levels	O
they	O
found	O
most	O
popular	O
being	O
the	O
ones	O
that	O
were	O
incorporated	O
into	O
the	O
game	O
.	O
</s>
<s>
One	O
of	O
the	O
main	O
rules	O
Sonic	B-Application
Team	O
made	O
during	O
development	O
was	O
not	O
to	O
use	O
older	O
assets	O
or	O
level	O
designs	O
,	O
and	O
certain	O
levels	O
were	O
given	O
a	O
new	O
visual	O
element	O
to	O
provide	O
a	O
new	O
dynamic	O
,	O
such	O
as	O
the	O
caves	O
in	O
Green	O
Hill	O
.	O
</s>
<s>
In	O
choosing	O
levels	O
for	O
the	O
3DS	B-Operating_System
version	O
,	O
the	O
team	O
opted	O
to	O
use	O
levels	O
from	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
and	O
Nintendo	B-Device
DS	I-Device
Sonic	B-Application
games	O
rather	O
than	O
the	O
original	O
Game	O
Gear	O
games	O
,	O
wanting	O
to	O
use	O
levels	O
from	O
games	O
of	O
more	O
recent	O
memory	O
.	O
</s>
<s>
Recreating	O
the	O
"	O
classic	O
"	O
-style	O
Sonic	B-Application
gameplay	O
using	O
the	O
Hedgehog	O
Engine	O
was	O
also	O
cited	O
as	O
challenging	O
,	O
since	O
the	O
engine	O
was	O
designed	O
for	O
3D	O
gameplay	O
.	O
</s>
<s>
The	O
team	O
faced	O
bigger	O
difficulties	O
developing	O
on	O
the	O
3DS	B-Operating_System
;	O
Iizuka	O
claimed	O
they	O
were	O
unfamiliar	O
with	O
the	O
system	O
's	O
capabilities	O
and	O
limitations	O
.	O
</s>
<s>
In	O
contrast	O
to	O
the	O
casual-oriented	O
Colors	O
,	O
Sonic	B-Application
Generations	I-Application
was	O
designed	O
to	O
appeal	O
to	O
the	O
series	O
 '	O
core	O
audience	O
.	O
</s>
<s>
While	O
multiple	O
characters	O
from	O
throughout	O
the	O
franchise	O
appear	O
in	O
the	O
game	O
,	O
only	O
Sonic	B-Application
was	O
made	O
playable	O
.	O
</s>
<s>
The	O
script	O
was	O
written	O
by	O
Sonic	B-Application
Colors	I-Application
writers	O
Ken	O
Pontac	O
and	O
Warren	O
Graff	O
;	O
according	O
to	O
Pontac	O
,	O
they	O
both	O
had	O
more	O
input	O
in	O
the	O
story	O
and	O
cutscenes	O
compared	O
to	O
Colors	O
.	O
</s>
<s>
Sonic	B-Application
Team	O
also	O
created	O
a	O
new	O
character	O
:	O
the	O
Time	O
Eater	O
,	O
who	O
serves	O
as	O
the	O
game	O
's	O
main	O
antagonist	O
.	O
</s>
<s>
The	O
game	O
features	O
numerous	O
references	O
to	O
past	O
Sonic	B-Application
games	O
,	O
among	O
these	O
being	O
cameo	O
appearances	O
by	O
several	O
obscure	O
characters	O
on	O
posters	O
in	O
City	O
Escape	O
.	O
</s>
<s>
Fans	O
who	O
attended	O
the	O
"	O
Sonic	B-Application
Boom	O
"	O
or	O
the	O
"	O
Summer	O
of	O
Sonic	B-Application
"	O
fan	O
conventions	O
in	O
June	O
2011	O
were	O
able	O
to	O
record	O
a	O
birthday	O
message	O
that	O
appears	O
during	O
the	O
game	O
's	O
credits	O
sequence	O
.	O
</s>
<s>
Each	O
version	O
of	O
the	O
game	O
also	O
supports	O
the	O
option	O
to	O
play	O
in	O
stereoscopic	B-Algorithm
3D	I-Algorithm
.	O
</s>
<s>
The	O
musical	O
score	O
of	O
Sonic	B-Application
Generations	I-Application
was	O
primarily	O
composed	O
and	O
arranged	O
by	O
Jun	O
Senoue	O
,	O
with	O
contributions	O
by	O
Richard	O
Jacques	O
,	O
Naofumi	O
Hataya	O
,	O
Hideki	O
Naganuma	O
,	O
Kenichi	O
Tokoi	O
,	O
Tomoya	O
Ohtani	O
,	O
Crush	O
40	O
,	O
Circuit	O
Freq	O
,	O
and	O
Cash	O
Cash	O
.	O
</s>
<s>
History	O
of	O
the	O
First	O
Stage	O
features	O
music	O
from	O
the	O
first	O
levels	O
of	O
several	O
Sonic	B-Application
franchise	I-Application
games	O
.	O
</s>
<s>
Sonic	B-Application
Generations	I-Application
:	O
20	O
Years	O
of	O
Sonic	B-Application
Music	O
contains	O
several	O
tracks	O
hand-picked	O
by	O
Sonic	B-Application
Team	O
,	O
and	O
was	O
sold	O
with	O
the	O
collector	O
's	O
edition	O
.	O
</s>
<s>
The	O
complete	O
,	O
three-volume	O
soundtrack	O
,	O
Sonic	B-Application
Generations	I-Application
Original	O
Soundtrack	O
:	O
Blue	O
Blur	O
,	O
was	O
released	O
on	O
January	O
11	O
,	O
2012	O
,	O
under	O
Sega	O
's	O
Wave	O
Master	O
label	O
.	O
</s>
<s>
Sonic	B-Application
Generations	I-Application
was	O
first	O
revealed	O
in	O
August	O
2009	O
,	O
when	O
Sega	O
accidentally	O
leaked	O
a	O
press	O
release	O
including	O
information	O
about	O
the	O
game	O
,	O
then	O
under	O
the	O
working	O
title	O
Sonic	B-Application
Anniversary	O
.	O
</s>
<s>
The	O
company	O
officially	O
revealed	O
the	O
game	O
on	O
April	O
7	O
,	O
2011	O
,	O
when	O
they	O
posted	O
a	O
teaser	O
trailer	O
on	O
their	O
Facebook	B-Application
page	O
.	O
</s>
<s>
The	O
trailer	O
depicted	O
the	O
two	O
variants	O
of	O
Sonic	B-Application
running	O
through	O
Green	O
Hill	O
.	O
</s>
<s>
It	O
was	O
initially	O
announced	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
;	O
the	O
3DS	B-Operating_System
and	O
Windows	O
versions	O
were	O
leaked	O
in	O
a	O
Sega	O
Sammy	O
Holdings	O
financial	O
earnings	O
report	O
.	O
</s>
<s>
The	O
3DS	B-Operating_System
version	O
was	O
confirmed	O
in	O
an	O
interview	O
with	O
Iizuka	O
that	O
was	O
published	O
in	O
Nintendo	B-Application
Power	I-Application
.	O
</s>
<s>
A	O
demo	O
version	O
featuring	O
Classic	O
Sonic	B-Application
's	O
version	O
of	O
Green	O
Hill	O
was	O
released	O
on	O
June	O
23	O
,	O
2011	O
,	O
the	O
twentieth	O
anniversary	O
of	O
the	O
original	O
Sonic	B-Application
game	O
's	O
release	O
.	O
</s>
<s>
A	O
second	O
demo	O
,	O
featuring	O
Modern	O
Sonic	B-Application
's	O
Green	O
Hill	O
,	O
was	O
released	O
on	O
October	O
19	O
,	O
2011	O
.	O
</s>
<s>
The	O
console	O
versions	O
of	O
Sonic	B-Application
Generations	I-Application
were	O
first	O
released	O
in	O
North	O
America	O
on	O
November	O
1	O
,	O
2011	O
,	O
followed	O
by	O
a	O
European	O
release	O
on	O
November	O
4	O
and	O
in	O
Japan	O
on	O
December	O
1	O
.	O
</s>
<s>
The	O
3DS	B-Operating_System
version	O
was	O
released	O
on	O
in	O
North	O
America	O
on	O
November	O
22	O
,	O
2011	O
,	O
and	O
in	O
Europe	O
on	O
November	O
25	O
.	O
</s>
<s>
The	O
console	O
and	O
3DS	B-Operating_System
versions	O
were	O
made	O
available	O
for	O
digital	O
download	O
in	O
2012	O
.	O
</s>
<s>
It	O
features	O
the	O
game	O
and	O
manual	O
in	O
limited	O
lenticular	O
box	O
art	O
in	O
a	O
steelbook	O
case	O
,	O
a	O
special	O
booklet	O
containing	O
various	O
Sonic	B-Application
artwork	O
,	O
a	O
documentary	O
disc	O
about	O
the	O
history	O
of	O
Sonic	B-Application
,	O
Sonic	B-Application
Generations	I-Application
:	O
20	O
Years	O
of	O
Sonic	B-Application
Music	O
,	O
a	O
limited	O
and	O
individually	O
numbered	O
gold	O
ring	O
,	O
and	O
a	O
figurine	O
of	O
both	O
Classic	O
and	O
Modern	O
Sonic	B-Application
striking	O
a	O
pose	O
on	O
a	O
ring	O
.	O
</s>
<s>
A	O
pinball	B-Application
minigame	O
based	O
upon	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
2	I-Application
Casino	O
Night	O
level	O
was	O
released	O
as	O
downloadable	B-Protocol
content	I-Protocol
for	O
the	O
Steam	O
version	O
of	O
the	O
game	O
on	O
December	O
26	O
,	O
2011	O
.	O
</s>
<s>
The	O
minigame	O
was	O
included	O
in	O
the	O
collector	O
's	O
edition	O
and	O
offered	O
as	O
a	O
pre-order	O
incentive	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>
Examples	O
include	O
Unleashed	O
Project	O
,	O
an	O
effort	O
to	O
re-create	O
Sonic	B-Application
Unleashed	I-Application
using	O
Sonic	B-Application
Generations	I-Application
as	O
a	O
base	O
;	O
Super	B-Application
Mario	I-Application
Generations	O
,	O
a	O
mod	O
that	O
replaces	O
Sonic	B-Application
with	O
Mario	B-Application
;	O
and	O
Super	O
Sonic	B-Application
Generations	I-Application
,	O
which	O
expands	O
upon	O
the	O
character	O
's	O
super	O
forms	O
.	O
</s>
<s>
The	O
console	O
and	O
PC	O
versions	O
of	O
Sonic	B-Application
Generations	I-Application
received	O
"	O
generally	O
favorable	O
reviews	O
"	O
,	O
according	O
to	O
review	O
aggregator	O
Metacritic	O
.	O
</s>
<s>
Tom	O
Bramwell	O
of	O
Eurogamer	O
felt	O
Sonic	B-Application
Generations	I-Application
was	O
a	O
worthy	O
tribute	O
to	O
the	O
Sonic	B-Application
franchise	I-Application
,	O
though	O
he	O
still	O
considered	O
the	O
franchise	O
's	O
previous	O
entry	O
,	O
Sonic	B-Application
Colors	I-Application
,	O
to	O
be	O
better	O
.	O
</s>
<s>
DeVries	O
and	O
Altano	O
considered	O
the	O
"	O
classic	O
"	O
-style	O
gameplay	O
to	O
be	O
a	O
successful	O
revival	O
of	O
the	O
1990s	O
Sonic	B-Application
games	O
and	O
the	O
"	O
modern	O
"	O
-style	O
to	O
be	O
similarly	O
enjoyable	O
,	O
though	O
they	O
offered	O
minor	O
criticism	O
of	O
the	O
former	O
's	O
floaty	O
physics	O
and	O
the	O
latter	O
's	O
reliance	O
on	O
speed	O
.	O
</s>
<s>
DeVries	O
and	O
Altano	O
determined	O
that	O
Sonic	B-Application
Generations	I-Application
was	O
accessible	O
to	O
everyone	O
and	O
gave	O
it	O
an	O
Editor	O
's	O
Choice	O
Award	O
.	O
</s>
<s>
Meunier	O
felt	O
that	O
the	O
game	O
combined	O
the	O
best	O
elements	O
of	O
old	O
and	O
new	O
Sonic	B-Application
games	O
well	O
,	O
and	O
concluded	O
that	O
"	O
Sonic	B-Application
Generations	I-Application
does	O
n't	O
skimp	O
on	O
the	O
speed	O
or	O
the	O
fun	O
"	O
.	O
</s>
<s>
In	O
contrast	O
to	O
the	O
console	O
and	O
PC	O
versions	O
,	O
reviews	O
for	O
the	O
3DS	B-Operating_System
version	O
were	O
"	O
mixed	O
or	O
average	O
"	O
,	O
according	O
to	O
Metacritic	O
,	O
with	O
Jack	O
Devries	O
of	O
IGN	O
stating	O
that	O
"	O
for	O
the	O
first	O
time	O
in	O
a	O
decade	O
,	O
the	O
handheld	O
Sonic	B-Application
is	O
not	O
the	O
best	O
"	O
.	O
</s>
<s>
Several	O
reviewers	O
pointed	O
out	O
the	O
fact	O
that	O
there	O
are	O
little	O
difference	O
between	O
the	O
gameplay	O
of	O
classic	O
and	O
modern	O
Sonic	B-Application
,	O
since	O
both	O
are	O
limited	O
to	O
2D	O
movement	O
.	O
</s>
<s>
James	O
Newton	O
of	O
Nintendo	O
Life	O
described	O
it	O
as	O
"	O
short	O
and	O
unambitious	O
"	O
and	O
compared	O
it	O
unfavorably	O
to	O
the	O
then-recently	O
released	O
Super	B-Application
Mario	I-Application
3D	I-Application
Land	I-Application
.	O
</s>
<s>
Dan	O
Whitehead	O
of	O
Eurogamer	O
agreed	O
,	O
criticizing	O
the	O
handheld	O
game	O
's	O
lack	O
of	O
variety	O
,	O
replay	O
value	O
,	O
and	O
inconsistent	O
design	O
and	O
calling	O
its	O
levels	O
"	O
a	O
pain	O
to	O
explore	O
"	O
,	O
though	O
he	O
offered	O
praise	O
for	O
its	O
visuals	O
and	O
recreations	O
of	O
classic	O
Sonic	B-Application
moments	O
.	O
</s>
<s>
Both	O
DeVries	O
and	O
Turi	O
considered	O
the	O
3DS	B-Operating_System
version	O
to	O
be	O
a	O
rushed	O
tie-in	O
with	O
the	O
console	O
version	O
,	O
and	O
agreed	O
that	O
,	O
while	O
not	O
a	O
bad	O
game	O
,	O
it	O
was	O
below	O
the	O
standard	O
of	O
Dimps	O
 '	O
previous	O
Sonic	B-Application
games	O
.	O
</s>
<s>
In	O
2017	O
,	O
GamesRadar	O
named	O
Sonic	B-Application
Generations	I-Application
the	O
seventh	O
best	O
game	O
of	O
the	O
Sonic	B-Application
series	I-Application
,	O
and	O
USgamer	O
named	O
it	O
the	O
tenth	O
best	O
.	O
</s>
<s>
Following	O
the	O
reemergence	O
of	O
"	O
Classic	O
"	O
Sonic	B-Application
,	O
Sega	O
would	O
later	O
begin	O
to	O
include	O
him	O
in	O
other	O
modern	O
Sonic	B-Application
games	O
,	O
such	O
as	O
Sonic	B-Application
Dash	I-Application
(	O
2013	O
)	O
and	O
Sonic	B-Application
Runners	I-Application
(	O
2015	O
)	O
.	O
</s>
<s>
The	O
2017	O
game	O
Sonic	B-Application
Forces	I-Application
follows	O
a	O
similar	O
premise	O
to	O
Generations	O
,	O
featuring	O
both	O
Classic	O
and	O
Modern	O
iterations	O
of	O
Sonic	B-Application
as	O
playable	O
characters	O
,	O
and	O
also	O
uses	O
an	O
updated	O
version	O
of	O
Generations	O
game	O
engine	O
.	O
</s>
<s>
On	O
April	O
10	O
,	O
2018	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>
An	O
update	O
to	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
in	O
November	O
2021	O
added	O
support	O
for	O
4K	B-Architecture
visuals	O
and	O
an	O
increased	O
frame	O
rate	O
when	O
played	O
on	O
Series	B-Device
X/S	I-Device
.	O
</s>
