<s>
Jake2	B-Language
is	O
a	O
Java	B-Language
port	O
of	O
the	O
GPL	B-License
release	O
of	O
the	O
Quake	B-Application
II	I-Application
game	O
engine	O
.	O
</s>
<s>
The	O
0.9.1	O
version	O
of	O
Jake2	B-Language
was	O
shown	O
by	O
the	O
JOGL	B-Language
team	O
for	O
JavaOne	O
2004	O
,	O
to	O
present	O
an	O
example	O
of	O
Java-OpenGL	O
interoperability	O
.	O
</s>
<s>
Jake2	B-Language
has	O
since	O
been	O
used	O
by	O
Sun	O
as	O
an	O
example	O
of	O
Java	B-Application
Web	I-Application
Start	I-Application
capabilities	O
for	O
games	O
distribution	O
over	O
the	O
internet	O
.	O
</s>
<s>
As	O
of	O
August	O
2012	O
,	O
development	O
is	O
still	O
active	O
in	O
the	O
LWJake2	O
fork	O
,	O
which	O
removed	O
JOGL/JOAL	O
in	O
favor	O
of	O
the	O
LWJGL	B-Language
.	O
</s>
<s>
The	O
game	O
can	O
be	O
played	O
online	O
,	O
launched	O
as	O
an	O
Applet	O
or	O
Webstart	B-Application
.	O
</s>
<s>
The	O
new	O
enhancements	O
allows	O
Jake2	B-Language
to	O
be	O
run	O
on	O
mobile	O
platforms	O
as	O
well	O
,	O
due	O
to	O
utilizing	O
Jogl	B-Language
's	O
OpenGL	B-Application
fixed	O
function	O
emulation	O
via	O
OpenGL	B-Application
ES2	O
,	O
or	O
directly	O
via	O
OpenGL	B-Application
ES1	O
.	O
</s>
<s>
The	O
fork	O
has	O
been	O
updated	O
in	O
June	O
2013	O
for	O
the	O
latest	O
Jogl	B-Language
release	O
.	O
</s>
<s>
Last	O
update	O
to	O
Jake2	B-Language
by	O
the	O
original	O
authors	O
-	O
Bytonic	O
software	O
-	O
was	O
on	O
Jan	O
2015	O
.	O
</s>
<s>
Since	O
2019	O
Jake2	B-Language
was	O
forked	O
,	O
updated	O
to	O
the	O
modern	O
java	B-Language
and	O
libraries	O
versions	O
and	O
being	O
actively	O
developed	O
.	O
</s>
<s>
Possibly	O
because	O
its	O
code	O
is	O
based	O
on	O
Java	B-Language
and	O
thus	O
is	O
easy	O
to	O
modify	O
,	O
jake2	B-Language
has	O
been	O
used	O
for	O
several	O
experiments	O
:	O
</s>
<s>
In	O
2006	O
,	O
it	O
was	O
used	O
to	O
experiment	O
playing	O
3D	O
games	O
with	O
eye	B-General_Concept
tracking	I-General_Concept
.	O
</s>
<s>
In	O
the	O
beginning	O
of	O
2009	O
,	O
people	O
from	O
the	O
University	O
of	O
Beira	O
Interior	O
were	O
able	O
to	O
reengineer	O
Jake2	B-Language
to	O
work	O
on	O
GridGain	O
,	O
a	O
grid	B-Architecture
implementation	O
of	O
MapReduce	B-Operating_System
dual	B-License
licensed	I-License
under	O
GPLv3	B-License
and	O
proprietary	O
licenses	O
.	O
</s>
<s>
In	O
2010	O
,	O
the	O
port	O
was	O
converted	O
to	O
HTML5	B-Application
by	O
a	O
group	O
of	O
Google	B-Application
engineers	O
to	O
showcase	O
the	O
abilities	O
of	O
Google	B-Language
Web	I-Language
Toolkit	I-Language
.	O
</s>
<s>
Jake2	B-Language
is	O
a	O
full-Java	O
application	O
.	O
</s>
<s>
It	O
can	O
use	O
Java	B-Language
OpenGL	I-Language
/	O
Java	B-Language
OpenAL	I-Language
or	O
LWJGL	B-Language
for	O
its	O
internal	O
Java	B-Language
low-level	O
OpenGL	B-Application
library	O
.	O
</s>
<s>
Both	O
single	O
and	O
multiplayer	O
modes	O
of	O
Quake	B-Application
II	I-Application
are	O
working	O
,	O
and	O
it	O
is	O
possible	O
to	O
use	O
it	O
both	O
as	O
an	O
installed	O
application	O
or	O
by	O
Java	B-Application
Web	I-Application
Start	I-Application
.	O
</s>
<s>
The	O
performance	O
of	O
Jake2	B-Language
is	O
on	O
par	O
with	O
the	O
original	O
C	O
version	O
.	O
</s>
