<s>
Metin2	B-Protocol
is	O
a	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
game	I-Protocol
(	O
MMORPG	B-Protocol
)	O
originally	O
developed	O
by	O
Ymir	O
Entertainment	O
(	O
now	O
owned	O
by	O
Webzen	O
Games	O
)	O
and	O
originally	O
released	O
in	O
Korea	O
in	O
2004	O
.	O
</s>
<s>
The	O
game	O
's	O
combat	O
is	O
based	O
on	O
a	O
hack	B-Application
and	I-Application
slash	I-Application
system	O
.	O
</s>
