<s>
Wurm	B-Protocol
Online	I-Protocol
is	O
a	O
3D	O
massively	B-Application
multiplayer	I-Application
online	I-Application
video	I-Application
game	I-Application
(	O
MMO	O
)	O
developed	O
by	O
Code	O
Club	O
AB	O
(	O
formerly	O
known	O
as	O
Oneto	O
free	O
AB	O
,	O
and	O
Mojang	O
Specifications	O
)	O
in	O
Motala	O
,	O
Sweden	O
.	O
</s>
<s>
Development	O
started	O
in	O
2003	O
by	O
friends	O
Rolf	O
Jansson	O
and	O
Markus	O
Persson	O
,	O
and	O
it	O
was	O
released	O
for	O
personal	B-Device
computers	I-Device
using	O
Java	B-Language
in	O
2006	O
.	O
</s>
<s>
Both	O
players	O
versus	O
players	O
and	O
realm	B-Protocol
versus	I-Protocol
realm	I-Protocol
combat	O
are	O
possible	O
in	O
the	O
game	O
.	O
</s>
<s>
Wurm	B-Protocol
Online	I-Protocol
is	O
a	O
sandbox	O
MMO	B-Application
game	I-Application
.	O
</s>
<s>
Wurm	B-Protocol
Online	I-Protocol
has	O
hundreds	O
of	O
skills	O
,	O
ranging	O
from	O
carpentry	O
and	O
smithery	O
to	O
specific	O
tool	O
and	O
weapons	O
skills	O
,	O
and	O
even	O
religion	O
stats	O
,	O
allowing	O
for	O
a	O
wide	O
range	O
of	O
specialization	O
and	O
therefore	O
industries	O
to	O
emerge	O
where	O
players	O
can	O
co-operate	O
with	O
each	O
other	O
to	O
achieve	O
goals	O
and	O
complete	O
projects	O
.	O
</s>
<s>
Wurm	O
is	O
developed	O
in	O
Java	B-Language
and	O
uses	O
OpenGL	B-Application
for	O
rendering	O
the	O
game	O
.	O
</s>
<s>
On	O
21	O
October	O
2015	O
,	O
a	O
standalone	O
version	O
of	O
Wurm	B-Protocol
Online	I-Protocol
,	O
known	O
as	O
Wurm	O
Unlimited	O
,	O
was	O
released	O
.	O
</s>
<s>
However	O
,	O
overall	O
,	O
it	O
failed	O
to	O
keep	O
the	O
reviewer	O
's	O
attention	O
,	O
feeling	O
that	O
MUD-style	O
text-based	O
combat	O
has	O
been	O
eclipsed	O
by	O
modern	O
MMORPGs	O
.	O
</s>
<s>
Christopher	O
Steele	O
of	O
Topfreemmorpg.net	O
praised	O
Wurm	B-Protocol
Online	I-Protocol
's	O
gameplay	O
and	O
noted	O
that	O
it	O
"	O
provides	O
a	O
true	O
challenge	O
to	O
the	O
players.	O
"	O
</s>
