<s>
Jedi	B-Application
is	O
a	O
game	O
engine	O
developed	O
primarily	O
by	O
Ray	O
Gresko	O
for	O
LucasArts	O
.	O
</s>
<s>
It	O
is	O
very	O
similar	O
to	O
the	O
Build	B-Application
engine	I-Application
used	O
in	O
Duke	B-Application
Nukem	I-Application
3D	I-Application
.	O
</s>
<s>
In	O
Doom	B-Application
,	O
environments	O
or	O
levels	O
were	O
limited	O
to	O
existing	O
in	O
the	O
X-Y	O
plane	O
only	O
levels	O
were	O
laid	O
out	O
two-dimensionally	O
:	O
while	O
floor	O
and	O
ceiling	O
heights	O
could	O
differ	O
,	O
areas	O
could	O
not	O
overlap	O
vertically	O
.	O
</s>
<s>
The	O
Jedi	B-Application
Engine	I-Application
had	O
support	O
for	O
areas	O
or	O
rooms	O
(	O
called	O
"	O
sectors	O
"	O
)	O
on	O
top	O
of	O
one	O
another	O
.	O
</s>
<s>
A	O
trait	O
that	O
it	O
shared	O
with	O
the	O
Build	B-Application
engine	I-Application
.	O
</s>
<s>
In	O
the	O
Dark	B-Application
Forces	I-Application
revision	O
of	O
the	O
engine	O
,	O
the	O
renderer	O
could	O
not	O
display	O
two	O
rooms	O
situated	O
on	O
top	O
of	O
each	O
other	O
simultaneously	O
.	O
</s>
<s>
This	O
capability	O
was	O
added	O
for	O
Outlaws	B-Application
.	O
</s>
<s>
The	O
Jedi	B-Application
Engine	I-Application
also	O
included	O
the	O
ability	O
to	O
jump	O
and	O
crouch	O
,	O
the	O
ability	O
to	O
look	O
up	O
and	O
down	O
,	O
and	O
atmospheric	O
effects	O
(	O
achieved	O
by	O
careful	O
manipulation	O
of	O
256-color	O
palette	O
files	O
)	O
.	O
</s>
<s>
Other	O
LucasArts	O
techniques	O
such	O
as	O
the	O
iMuse	B-Application
sound	O
system	O
were	O
incorporated	O
.	O
</s>
<s>
Its	O
lifetime	O
was	O
short-lived	O
,	O
being	O
used	O
in	O
two	O
titles	O
,	O
Star	B-Application
Wars	I-Application
:	I-Application
Dark	I-Application
Forces	I-Application
and	O
Outlaws	B-Application
.	O
</s>
<s>
The	O
sequel	O
to	O
Dark	B-Application
Forces	I-Application
,	O
Jedi	B-Application
Knight	I-Application
,	O
used	O
the	O
Sith	O
engine	O
.	O
</s>
<s>
There	O
have	O
been	O
attempts	O
of	O
Open	B-License
Source	I-License
game	O
engine	O
recreations	O
based	O
on	O
reverse	O
engineering	O
the	O
original	O
source	O
code	O
.	O
</s>
