<s>
Sonic	B-Application
X-treme	I-Application
was	O
a	O
platform	O
game	O
developed	O
by	O
Sega	O
Technical	O
Institute	O
from	O
1994	O
until	O
its	O
cancellation	O
in	O
1996	O
.	O
</s>
<s>
It	O
was	O
planned	O
as	O
the	O
first	O
fully	O
3D	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
game	O
,	O
taking	O
Sonic	B-Application
into	O
the	O
3D	B-Application
era	I-Application
of	I-Application
video	I-Application
games	I-Application
,	O
and	O
the	O
first	O
original	O
Sonic	B-Application
game	O
for	O
the	O
Sega	B-Device
Saturn	I-Device
.	O
</s>
<s>
The	O
storyline	O
followed	O
Sonic	B-Application
on	O
his	O
journey	O
to	O
stop	O
Dr.	O
Robotnik	O
from	O
stealing	O
six	O
magic	O
rings	O
from	O
Tiara	B-Application
Boobowski	I-Application
and	O
her	O
father	O
.	O
</s>
<s>
X-treme	O
featured	O
open	O
levels	O
rotating	O
around	O
a	O
fixed	O
center	O
of	O
gravity	O
and	O
,	O
like	O
previous	O
Sonic	B-Application
games	O
,	O
featured	O
collectible	O
rings	O
and	O
fast-paced	O
gameplay	O
.	O
</s>
<s>
X-treme	O
was	O
conceived	O
as	O
a	O
side-scrolling	O
platform	O
game	O
for	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
to	O
succeed	O
Sonic	B-Application
&	I-Application
Knuckles	I-Application
(	O
1994	O
)	O
.	O
</s>
<s>
Development	O
shifted	O
to	O
the	O
32X	B-Device
and	O
then	O
the	O
Saturn	B-Device
and	O
Windows	O
,	O
and	O
the	O
game	O
was	O
redesigned	O
as	O
a	O
3D	O
platform	O
game	O
for	O
the	O
1996	O
holiday	O
season	O
.	O
</s>
<s>
The	O
plan	O
was	O
disrupted	O
by	O
company	O
politics	O
,	O
an	O
unfavorable	O
visit	O
by	O
Japanese	O
Sega	O
executives	O
,	O
and	O
obstacles	O
with	O
the	O
game	O
engines	O
planned	O
for	O
use	O
,	O
including	O
one	O
from	O
Sonic	B-Application
Team	O
for	O
Nights	B-Application
into	I-Application
Dreams	I-Application
(	O
1996	O
)	O
.	O
</s>
<s>
In	O
place	O
of	O
X-treme	O
,	O
Sega	O
released	O
a	O
port	O
of	O
the	O
Genesis	O
game	O
Sonic	B-Application
3D	I-Application
Blast	I-Application
,	O
but	O
did	O
not	O
release	O
an	O
original	O
3D	O
Sonic	B-Application
platform	O
game	O
until	O
Sonic	B-Application
Adventure	I-Application
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
in	O
1998	O
.	O
</s>
<s>
The	O
cancellation	O
is	O
considered	O
an	O
important	O
factor	O
in	O
the	O
Saturn	B-Device
's	O
commercial	O
failure	O
,	O
as	O
it	O
left	O
the	O
system	O
with	O
no	O
original	O
Sonic	B-Application
platform	O
game	O
.	O
</s>
<s>
Elements	O
similar	O
to	O
those	O
in	O
X-treme	O
appeared	O
in	O
later	O
games	O
,	O
such	O
as	O
Sonic	B-Application
Lost	I-Application
World	I-Application
(	O
2013	O
)	O
.	O
</s>
<s>
X-treme	O
was	O
a	O
platform	O
game	O
in	O
which	O
players	O
controlled	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
,	O
with	O
the	O
ability	O
to	O
move	O
in	O
any	O
direction	O
.	O
</s>
<s>
Gameplay	O
was	O
similar	O
to	O
the	O
Sega	B-Device
Saturn	I-Device
platform	O
game	O
Bug	B-Application
!	I-Application
</s>
<s>
(	O
1995	O
)	O
,	O
though	O
producer	O
Mike	O
Wallis	O
said	O
that	O
X-treme	O
would	O
differ	O
in	O
that	O
Sonic	B-Application
would	O
be	O
free	O
to	O
roam	O
levels	O
,	O
unconstrained	O
by	O
linear	O
paths	O
.	O
</s>
<s>
The	O
game	O
featured	O
a	O
fisheye	O
camera	O
system	O
,	O
the	O
"	O
Reflex	O
Lens	O
"	O
,	O
that	O
gave	O
players	O
a	O
wide-angle	O
view	O
,	O
making	O
levels	O
appear	O
to	O
move	O
around	O
Sonic	B-Application
.	O
</s>
<s>
Levels	O
would	O
rotate	O
around	O
a	O
fixed	O
center	O
of	O
gravity	O
,	O
meaning	O
Sonic	B-Application
could	O
run	O
up	O
walls	O
,	O
arriving	O
at	O
what	O
was	O
previously	O
the	O
ceiling	O
.	O
</s>
<s>
Sonic	B-Application
was	O
also	O
able	O
to	O
enter	O
and	O
exit	O
the	O
screen	O
as	O
he	O
moved	O
.	O
</s>
<s>
These	O
levels	O
used	O
shading	O
,	O
transparency	O
,	O
and	O
lighting	O
effects	O
to	O
showcase	O
the	O
Saturn	B-Device
's	O
technical	O
potential	O
.	O
</s>
<s>
The	O
developers	O
wanted	O
to	O
take	O
Sonic	B-Application
into	O
the	O
modern	O
era	O
,	O
while	O
building	O
on	O
the	O
series	O
 '	O
successes	O
.	O
</s>
<s>
In	O
1996	O
,	O
Wallis	O
said	O
they	O
planned	O
to	O
integrate	O
familiar	O
Sonic	B-Application
gameplay	O
,	O
plus	O
new	O
elements	O
:	O
"	O
We	O
're	O
giving	O
Sonic	B-Application
new	O
moves	O
,	O
because	O
Sonic	B-Application
is	O
a	O
hedgehog	O
of	O
the	O
times	O
,	O
we	O
're	O
bringing	O
him	O
up	O
to	O
speed.	O
"	O
</s>
<s>
In	O
line	O
with	O
other	O
Sonic	B-Application
games	O
,	O
X-treme	O
emphasized	O
speed	O
and	O
featured	O
collectable	O
rings	O
.	O
</s>
<s>
Additions	O
included	O
the	O
abilities	O
to	O
throw	O
rings	O
at	O
enemies	O
,	O
create	O
a	O
shield	O
from	O
rings	O
,	O
do	O
spinning	O
midair	O
attacks	O
,	O
strike	O
enemies	O
below	O
with	O
a	O
"	O
Power	O
Ball	O
"	O
attack	O
,	O
jump	O
higher	O
with	O
less	O
control	O
than	O
normal	O
,	O
and	O
execute	O
a	O
"	O
Sonic	B-Application
Boom	O
"	O
attack	O
,	O
in	O
concert	O
with	O
the	O
shield	O
,	O
that	O
struck	O
in	O
360	O
degrees	O
.	O
</s>
<s>
Fang	O
the	O
Sniper	O
and	O
Metal	O
Sonic	B-Application
were	O
planned	O
as	O
bosses	O
.	O
</s>
<s>
The	O
plot	O
described	O
in	O
promotional	O
materials	O
involves	O
a	O
Tiara	B-Application
Boobowski	I-Application
,	O
who	O
was	O
set	O
to	O
become	O
a	O
major	O
character	O
,	O
and	O
her	O
father	O
,	O
Professor	O
Gazebo	O
Boobowski	O
,	O
calling	O
on	O
Sonic	B-Application
to	O
help	O
defend	O
the	O
six	O
magical	O
Rings	O
of	O
Order	O
from	O
Dr.	O
Robotnik	O
.	O
</s>
<s>
The	O
original	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
was	O
developed	O
by	O
Sonic	B-Application
Team	O
in	O
Japan	O
.	O
</s>
<s>
Released	O
in	O
1991	O
,	O
it	O
greatly	O
increased	O
the	O
popularity	O
of	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
in	O
North	O
America	O
.	O
</s>
<s>
In	O
1991	O
,	O
STI	O
began	O
developing	O
several	O
games	O
,	O
including	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
2	I-Application
(	O
1992	O
)	O
,	O
which	O
was	O
released	O
the	O
following	O
year	O
.	O
</s>
<s>
Though	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
2	I-Application
was	O
successful	O
,	O
the	O
language	O
barrier	O
and	O
cultural	O
differences	O
created	O
a	O
rift	O
between	O
the	O
Japanese	O
and	O
American	O
developers	O
.	O
</s>
<s>
The	O
American	O
staff	O
developed	O
Sonic	B-Application
Spinball	I-Application
(	O
1993	O
)	O
,	O
while	O
the	O
Japanese	O
staff	O
developed	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
3	I-Application
(	O
1994	O
)	O
and	O
Sonic	B-Application
&	I-Application
Knuckles	I-Application
(	O
1994	O
)	O
.	O
</s>
<s>
According	O
to	O
developer	O
Takashi	O
Iizuka	O
,	O
the	O
Japanese	O
team	O
experimented	O
with	O
3D	O
computer	O
graphics	O
for	O
Sonic	B-Application
3	I-Application
,	O
but	O
were	O
unable	O
to	O
implement	O
them	O
with	O
the	O
limited	O
power	O
of	O
the	O
Genesis	O
.	O
</s>
<s>
After	O
Sonic	B-Application
&	I-Application
Knuckles	I-Application
was	O
completed	O
,	O
Naka	O
returned	O
to	O
Japan	O
to	O
work	O
on	O
Nights	B-Application
into	I-Application
Dreams	I-Application
(	O
1996	O
)	O
with	O
Sonic	B-Application
Team	O
.	O
</s>
<s>
According	O
to	O
Hector	O
,	O
after	O
the	O
release	O
of	O
the	O
Sony	B-Device
PlayStation	I-Device
in	O
1994	O
,	O
the	O
atmosphere	O
at	O
Sega	O
became	O
political	O
,	O
with	O
"	O
lots	O
of	O
finger-pointing	O
"	O
.	O
</s>
<s>
Early	O
ideas	O
for	O
the	O
next	O
Sonic	B-Application
game	O
included	O
the	O
experimental	O
Sonic	B-Application
Crackers	O
,	O
which	O
became	O
the	O
32X	B-Device
game	O
Knuckles	B-Application
 '	I-Application
Chaotix	I-Application
(	O
1995	O
)	O
.	O
</s>
<s>
Another	O
concept	O
came	O
from	O
STI	O
head	O
Roger	O
Hector	O
,	O
who	O
wanted	O
to	O
develop	O
a	O
game	O
based	O
on	O
the	O
Saturday	O
morning	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
cartoon	O
,	O
and	O
took	O
Sonic	B-Application
Team	O
and	O
STI	O
developers	O
to	O
DiC	O
Animation	O
's	O
studios	O
in	O
Burbank	O
,	O
California	O
after	O
the	O
release	O
of	O
Sonic	B-Application
Spinball	I-Application
to	O
demonstrate	O
his	O
idea	O
.	O
</s>
<s>
STI	O
developer	O
Peter	O
Morawiec	O
designed	O
gameplay	O
from	O
this	O
concept	O
as	O
a	O
side-scrolling	O
video	O
game	O
with	O
more	O
focus	O
on	O
story	O
than	O
previous	O
Sonic	B-Application
games	O
.	O
</s>
<s>
He	O
called	O
the	O
pitch	O
Sonic-16	O
,	O
intended	O
for	O
release	O
on	O
the	O
Genesis	O
.	O
</s>
<s>
However	O
,	O
Sega	O
management	O
was	O
not	O
interested	O
in	O
a	O
spin-off	O
and	O
disapproved	O
of	O
the	O
idea	O
as	O
too	O
slow	O
for	O
Sonic	B-Application
's	O
speed	O
.	O
</s>
<s>
Instead	O
,	O
Morawiec	O
moved	O
on	O
to	O
work	O
on	O
Comix	B-Application
Zone	I-Application
(	O
1995	O
)	O
.	O
</s>
<s>
Development	O
of	O
Sonic	B-Application
X-treme	I-Application
began	O
in	O
late	O
1994	O
at	O
STI	O
.	O
</s>
<s>
As	O
new	O
consoles	O
and	O
the	O
32-bit	B-Application
era	I-Application
were	O
on	O
the	O
way	O
,	O
the	O
game	O
was	O
moved	O
to	O
the	O
32X	B-Device
under	O
the	O
working	O
titles	O
Sonic	B-Application
32X	B-Device
and	O
Sonic	B-Application
Mars	O
after	O
the	O
"	O
Project	O
Mars	O
"	O
codename	O
used	O
for	O
the	O
32X	B-Device
.	O
</s>
<s>
The	O
initial	O
32X	B-Device
design	O
was	O
an	O
isometric	B-Application
side-scroller	O
,	O
but	O
became	O
a	O
full	O
3D	O
game	O
with	O
a	O
view	O
set	O
on	O
a	O
floating	O
plane	O
.	O
</s>
<s>
Kosaka	O
completed	O
design	O
documents	O
before	O
the	O
32X	B-Device
was	O
released	O
,	O
without	O
a	O
clear	O
picture	O
of	O
the	O
hardware	O
.	O
</s>
<s>
Wallis	O
,	O
who	O
had	O
worked	O
on	O
The	B-Application
Ooze	I-Application
(	O
1995	O
)	O
and	O
Comix	B-Application
Zone	I-Application
,	O
was	O
placed	O
in	O
charge	O
of	O
Sonic	B-Application
X-treme	I-Application
.	O
</s>
<s>
As	O
the	O
design	O
had	O
changed	O
significantly	O
and	O
the	O
32X	B-Device
struggled	O
commercially	O
,	O
development	O
moved	O
to	O
a	O
planned	O
Sega	O
cartridge	O
console	O
powered	O
by	O
nVidia	O
3D	O
hardware	O
,	O
designed	O
to	O
compete	O
with	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
.	O
</s>
<s>
This	O
decision	O
was	O
made	O
because	O
of	O
the	O
planned	O
console	O
's	O
ability	O
to	O
handle	O
3D	O
graphics	O
and	O
Sega	O
of	O
America	O
senior	O
management	O
's	O
disinterest	O
in	O
the	O
Sega	B-Device
Saturn	I-Device
.	O
</s>
<s>
After	O
Sega	O
announced	O
that	O
it	O
would	O
focus	O
solely	O
on	O
the	O
Saturn	B-Device
,	O
development	O
shifted	O
again	O
,	O
costing	O
the	O
team	O
several	O
weeks	O
.	O
</s>
<s>
The	O
Saturn	B-Device
version	O
was	O
developed	O
by	O
two	O
teams	O
with	O
two	O
different	O
game	O
engines	O
,	O
starting	O
in	O
the	O
second	O
half	O
of	O
1995	O
.	O
</s>
<s>
This	O
engine	O
used	O
tools	O
used	O
by	O
Saturn	B-Device
games	O
such	O
as	O
Panzer	B-Application
Dragoon	I-Application
II	I-Application
Zwei	I-Application
and	O
rendered	O
bosses	O
as	O
fully	O
polygonal	O
characters	O
.	O
</s>
<s>
The	O
other	O
team	O
,	O
led	O
by	O
Senn	O
and	O
Alon	O
,	O
developed	O
the	O
main	O
levels	O
,	O
working	O
on	O
PC	O
with	O
the	O
intent	O
of	O
porting	O
their	O
work	O
to	O
Saturn	B-Device
.	O
</s>
<s>
Alon	O
and	O
Senn	O
focused	O
on	O
building	O
an	O
editor	B-Application
to	O
construct	O
the	O
main	O
levels	O
.	O
</s>
<s>
Music	O
and	O
backgrounds	O
could	O
not	O
be	O
coded	O
in	O
the	O
editor	B-Application
,	O
and	O
had	O
to	O
be	O
coded	O
manually	O
for	O
each	O
level	O
.	O
</s>
<s>
Hirokazu	O
Yasuhara	O
,	O
who	O
designed	O
the	O
Genesis	O
Sonic	B-Application
games	O
,	O
also	O
contributed	O
.	O
</s>
<s>
Senn	O
said	O
a	O
primary	O
problem	O
was	O
transitioning	O
Sonic	B-Application
simple	O
and	O
fast	O
controls	O
to	O
a	O
3D	O
environment	O
:	O
"	O
The	O
simplicity	O
of	O
movement	O
,	O
particularly	O
moving	O
very	O
quickly	O
,	O
was	O
now	O
gone	O
.	O
</s>
<s>
Programming	O
for	O
the	O
Saturn	B-Device
proved	O
difficult	O
;	O
as	O
Alon	O
could	O
not	O
get	O
his	O
engine	O
,	O
developed	O
on	O
PC	O
,	O
to	O
run	O
fast	O
enough	O
on	O
Saturn	B-Device
,	O
Morgan	O
outsourced	O
the	O
port	O
to	O
Point	O
of	O
View	O
Software	O
,	O
a	O
third	O
party	O
company	O
.	O
</s>
<s>
The	O
executive	O
was	O
unimpressed	O
by	O
Senn	O
and	O
Alon	O
's	O
work	O
,	O
as	O
the	O
version	O
he	O
saw	O
,	O
ported	O
from	O
PC	O
to	O
Saturn	B-Device
by	O
Point	O
of	O
View	O
,	O
ran	O
at	O
a	O
poor	O
frame	O
rate	O
.	O
</s>
<s>
At	O
Wallis	O
 '	O
suggestion	O
,	O
he	O
provided	O
the	O
tools	O
and	O
source	O
code	O
for	O
Sonic	B-Application
Team	O
's	O
3D	O
Saturn	B-Device
game	O
Nights	B-Application
into	I-Application
Dreams	I-Application
.	O
</s>
<s>
Senn	O
dismissed	O
this	O
as	O
speculation	O
,	O
but	O
said	O
that	O
,	O
if	O
true	O
,	O
he	O
understood	O
Naka	O
's	O
interest	O
in	O
maintaining	O
control	O
over	O
the	O
Sonic	B-Application
Team	O
technology	O
and	O
the	O
Sonic	B-Application
franchise	I-Application
.	O
</s>
<s>
Sonic	B-Application
Team	O
was	O
developing	O
its	O
own	O
3D	O
Sonic	B-Application
game	O
using	O
the	O
Nights	O
engine	O
,	O
which	O
could	O
have	O
motivated	O
Naka	O
's	O
threat	O
.	O
</s>
<s>
The	O
loss	O
of	O
the	O
Nights	O
engine	O
cost	O
the	O
Sonic	B-Application
X-treme	I-Application
team	O
weeks	O
of	O
development	O
.	O
</s>
<s>
In	O
July	O
2022	O
,	O
Naka	O
denied	O
that	O
he	O
had	O
anything	O
to	O
do	O
with	O
X-treme	O
use	O
of	O
the	O
Nights	O
engine	O
and	O
said	O
it	O
would	O
have	O
been	O
useless	O
because	O
Nights	O
was	O
coded	O
in	O
assembly	B-Language
and	O
X-treme	O
was	O
in	O
C	B-Language
.	O
He	O
suggested	O
that	O
the	O
developers	O
invented	O
the	O
story	O
to	O
rationalize	O
their	O
failure	O
to	O
finish	O
X-treme	O
.	O
</s>
<s>
For	O
the	O
1996	O
holiday	O
season	O
,	O
Sega	O
instead	O
concentrated	O
on	O
Sonic	B-Application
Team	O
's	O
Nights	B-Application
into	I-Application
Dreams	I-Application
and	O
a	O
port	O
of	O
the	O
Genesis	O
game	O
Sonic	B-Application
3D	I-Application
Blast	I-Application
by	O
Traveller	O
's	O
Tales	O
,	O
to	O
which	O
Wallis	O
contributed	O
.	O
</s>
<s>
Morawiec	O
requested	O
that	O
X-treme	O
be	O
reworked	O
into	O
bonus	O
stages	O
in	O
3D	O
Blast	O
,	O
but	O
Traveller	O
's	O
Tales	O
was	O
unable	O
to	O
properly	O
transfer	O
Sonic	B-Application
's	O
model	O
.	O
</s>
<s>
Sonic	B-Application
Team	O
's	O
work	O
on	O
a	O
Saturn	B-Device
3D	O
Sonic	B-Application
game	O
became	O
Sonic	B-Application
Adventure	I-Application
(	O
1998	O
)	O
for	O
the	B-Operating_System
Dreamcast	I-Operating_System
.	O
</s>
<s>
Remnants	O
of	O
their	O
prototype	O
can	O
be	O
seen	O
in	O
the	O
Saturn	B-Device
compilation	O
game	O
Sonic	B-Application
Jam	I-Application
(	O
1997	O
)	O
.	O
</s>
<s>
Hector	O
believed	O
that	O
the	O
success	O
of	O
PlayStation	B-Device
led	O
to	O
corporate	O
turmoil	O
within	O
Sega	O
that	O
resulted	O
in	O
STI	O
's	O
dissolution	O
.	O
</s>
<s>
In	O
August	O
1994	O
,	O
Sega	O
of	O
America	O
signed	O
a	O
deal	O
with	O
Metro-Goldwyn-Mayer	O
and	O
Trilogy	O
Entertainment	O
to	O
produce	O
a	O
live-action	O
animated	O
film	O
based	O
on	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
and	O
tie	O
into	O
Sonic	B-Application
X-treme	I-Application
.	O
</s>
<s>
In	O
May	O
1995	O
,	O
screenwriter	O
Richard	O
Jeffries	O
pitched	O
a	O
treatment	O
to	O
Sega	O
titled	O
Sonic	B-Application
:	O
Wonders	O
of	O
the	O
World	O
.	O
</s>
<s>
The	O
treatment	O
saw	O
Sonic	B-Application
and	O
Dr	O
Robotnik	O
escaping	O
from	O
Sonic	B-Application
X-treme	I-Application
into	O
the	O
real	O
world	O
.	O
</s>
<s>
In	O
place	O
of	O
Sonic	B-Application
X-treme	I-Application
,	O
Sega	O
released	O
a	O
port	O
of	O
the	O
Genesis	O
game	O
Sonic	B-Application
3D	I-Application
Blast	I-Application
,	O
and	O
Sonic	B-Application
Jam	I-Application
,	O
a	O
compilation	O
of	O
Genesis	O
Sonic	B-Application
games	O
with	O
an	O
additional	O
3D	O
level	O
.	O
</s>
<s>
Sonic	B-Application
X-treme	I-Application
'	O
s	O
cancellation	O
is	O
cited	O
as	O
a	O
key	O
reason	O
for	O
the	O
Saturn	B-Device
's	O
failure	O
.	O
</s>
<s>
David	O
Houghton	O
of	O
GamesRadar+	O
described	O
the	O
prospect	O
of	O
"	O
a	O
good	O
3D	O
Sonic	B-Application
game	O
"	O
on	O
the	O
Saturn	B-Device
as	O
a	O
"	O
What	O
if	O
...	O
"	O
scenario	O
akin	O
to	O
dinosaurs	O
surviving	O
extinction	O
.	O
</s>
<s>
IGN	O
Travis	O
Fahs	O
described	O
X-treme	O
as	O
"	O
an	O
empty	O
vessel	O
for	O
Sega	O
's	O
ambitions	O
and	O
the	O
hopes	O
of	O
their	O
fans	O
"	O
and	O
said	O
it	O
was	O
an	O
important	O
change	O
for	O
Sega	O
,	O
its	O
mascot	O
and	O
the	O
Saturn	B-Device
.	O
</s>
<s>
Levi	O
Buchanan	O
,	O
also	O
writing	O
for	O
IGN	O
,	O
said	O
while	O
the	O
Saturn	B-Device
's	O
lack	O
of	O
a	O
true	O
Sonic	B-Application
sequel	O
"	O
did	O
n't	O
wholly	O
destroy	O
"	O
its	O
chances	O
,	O
it	O
"	O
sure	O
did	O
n't	O
help	O
matters	O
much	O
"	O
.	O
</s>
<s>
Dave	O
Zdyrko	O
,	O
who	O
operated	O
a	O
prominent	O
Saturn	B-Device
fan	O
site	O
,	O
said	O
:	O
"	O
I	O
do	O
n't	O
know	O
if	O
 [ X-treme ] 	O
could	O
've	O
saved	O
the	O
Saturn	B-Device
,	O
but	O
...	O
Sonic	B-Application
helped	O
make	O
the	O
Genesis	O
and	O
it	O
made	O
absolutely	O
no	O
sense	O
why	O
there	O
was	O
n't	O
a	O
great	O
new	O
Sonic	B-Application
title	O
ready	O
at	O
or	O
near	O
the	O
launch	O
of	O
the	O
 [ Saturn ] 	O
 "	O
.	O
</s>
<s>
In	O
a	O
2007	O
retrospective	O
,	O
producer	O
Wallis	O
said	O
that	O
X-treme	O
would	O
have	O
been	O
able	O
to	O
compete	O
with	O
Nintendo	O
's	O
Super	B-Application
Mario	I-Application
64	I-Application
.	O
</s>
<s>
Next	O
Generation	O
said	O
that	O
X-treme	O
would	O
have	O
damaged	O
Sega	O
's	O
reputation	O
if	O
it	O
did	O
not	O
compare	O
well	O
to	O
competition	O
such	O
as	O
Super	B-Application
Mario	I-Application
64	I-Application
and	O
Crash	B-Application
Bandicoot	I-Application
.	O
</s>
<s>
Journalists	O
noted	O
similarities	O
in	O
level	O
themes	O
and	O
mechanics	O
between	O
X-treme	O
and	O
the	O
2013	O
game	O
Sonic	B-Application
Lost	I-Application
World	I-Application
,	O
although	O
Sonic	B-Application
Team	O
head	O
Iizuka	O
said	O
the	O
resemblance	O
was	O
coincidental	O
.	O
</s>
<s>
Senn	O
went	O
to	O
work	O
on	O
the	O
Wii	B-Device
U	I-Device
Sonic	B-Application
game	O
Sonic	B-Application
Boom	I-Application
:	I-Application
Rise	I-Application
of	I-Application
Lyric	I-Application
,	O
which	O
was	O
released	O
in	O
2014	O
to	O
negative	O
reviews	O
.	O
</s>
<s>
An	O
animated	O
GIF	O
image	O
of	O
gameplay	O
was	O
released	O
,	O
and	O
after	O
a	O
fundraising	O
project	O
by	O
the	O
"	O
Assemblergames	O
"	O
website	O
community	O
purchased	O
the	O
disc	O
from	O
the	O
collector	O
,	O
the	O
disk	B-Application
image	I-Application
was	O
leaked	O
on	O
July	O
17	O
,	O
2007	O
.	O
</s>
<s>
Senn	O
considered	O
finishing	O
X-treme	O
himself	O
and	O
used	O
some	O
of	O
its	O
concepts	O
in	O
a	O
Sonic	B-Application
fangame	B-Application
,	O
though	O
his	O
plans	O
never	O
materialized	O
.	O
</s>
<s>
In	O
February	O
2015	O
,	O
the	O
fansite	O
Sonic	B-Application
Retro	O
obtained	O
the	O
X-treme	O
source	O
code	O
and	O
created	O
a	O
playable	O
build	O
,	O
featuring	O
the	O
level	O
shown	O
in	O
the	O
E3	O
1996	O
demo	O
.	O
</s>
<s>
Reviewing	O
the	O
build	O
,	O
Hardcore	O
Gamer	O
writers	O
described	O
it	O
as	O
rough	O
but	O
inventive	O
,	O
lacking	O
speed	O
but	O
retaining	O
the	O
spirit	O
of	O
Sonic	B-Application
design	O
.	O
</s>
<s>
They	O
felt	O
it	O
could	O
have	O
been	O
a	O
solid	O
direction	O
for	O
the	O
franchise	O
and	O
a	O
boost	O
for	O
the	O
Saturn	B-Device
had	O
it	O
been	O
completed	O
.	O
</s>
<s>
A	O
Sonic	B-Application
Retro	O
user	O
began	O
developing	O
a	O
homebrew	B-Application
Saturn	B-Device
game	O
based	O
on	O
X-treme	O
,	O
Sonic	B-Application
Z-treme	O
,	O
in	O
March	O
2017	O
,	O
and	O
released	O
a	O
build	O
in	O
September	O
2018	O
.	O
</s>
