<s>
Seal	B-Application
Online	I-Application
( 씰	O
온라인	O
)	O
is	O
a	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
game	I-Protocol
,	O
originally	O
developed	O
by	O
the	O
Korean	O
company	O
Grigon	O
Entertainment	O
.	O
</s>
<s>
The	O
English	O
version	O
of	O
Seal	B-Application
Online	I-Application
was	O
expected	O
to	O
be	O
released	O
in	O
Quarter	O
3	O
of	O
2005	O
when	O
Grigon	O
Entertainment	O
announced	O
that	O
there	O
would	O
be	O
an	O
English	O
version	O
of	O
Seal	B-Application
Online	I-Application
.	O
</s>
<s>
After	O
two	O
years	O
,	O
a	O
website	O
was	O
created	O
for	O
Seal	B-Application
Online	I-Application
.	O
</s>
<s>
It	O
had	O
a	O
post	O
announcing	O
the	O
arrival	O
of	O
Seal	B-Application
Online	I-Application
in	O
English	O
to	O
the	O
United	O
States	O
.	O
</s>
<s>
The	O
English	O
Seal	B-Application
Online	I-Application
was	O
finally	O
released	O
on	O
19	O
November	O
2007	O
at	O
8pm	O
EST	O
by	O
YNK	O
Interactive	O
.	O
</s>
<s>
Seal	B-Application
Online	I-Application
is	O
mostly	O
a	O
point-and-click	O
MMORPG	B-Protocol
;	O
movement	O
,	O
combat	O
,	O
and	O
many	O
other	O
commands	O
are	O
all	O
controlled	O
by	O
mouse	O
,	O
though	O
the	O
combo	O
system	O
is	O
done	O
with	O
the	O
A	O
,	O
S	O
,	O
and	O
D	O
keys	O
.	O
</s>
<s>
Seal	B-Application
Online	I-Application
's	O
travel	O
system	O
uses	O
a	O
method	O
called	O
'	O
Warp	O
Gates	O
 '	O
.	O
</s>
<s>
Seal	B-Application
Online	I-Application
's	O
level	O
up	O
system	O
uses	O
a	O
point	O
method	O
.	O
</s>
<s>
The	O
Combo	O
System	O
is	O
more	O
complicated	O
than	O
most	O
other	O
MMORPGs	B-Protocol
.	O
</s>
