<s>
Red	B-Application
Stone	I-Application
(	O
)	O
is	O
a	O
2D	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
game	I-Protocol
(	O
MMORPG	B-Protocol
)	O
developed	O
by	O
L&K	O
Logic	O
Korea	O
.	O
</s>
<s>
The	O
story	O
of	O
Red	B-Application
Stone	I-Application
begins	O
in	O
the	O
fantasy	B-Application
world	O
of	O
Prandel	O
as	O
players	O
go	O
on	O
an	O
adventurous	O
quest	O
to	O
search	O
for	O
a	O
mystical	O
red	B-Application
stone	I-Application
that	O
fell	O
from	O
heaven	O
.	O
</s>
<s>
At	O
the	O
end	O
of	O
the	O
story	O
,	O
the	O
player	O
may	O
choose	O
to	O
give	O
the	O
red	B-Application
stone	I-Application
in	O
exchange	O
for	O
rewards	O
to	O
one	O
of	O
Prandel	O
's	O
factions	O
,	O
such	O
as	O
the	O
Red	O
Devil	O
,	O
or	O
the	O
Underworld	O
or	O
Heaven	O
,	O
who	O
seek	O
to	O
use	O
the	O
power	O
of	O
the	O
Red	B-Application
Stone	I-Application
for	O
their	O
own	O
gain	O
.	O
</s>
<s>
When	O
the	O
information	O
about	O
Red	B-Application
stone	I-Application
was	O
first	O
released	O
,	O
The	O
game	O
was	O
supposed	O
to	O
be	O
a	O
single-player	O
RPG	O
that	O
the	O
player	O
should	O
choose	O
one	O
of	O
several	O
characters	O
and	O
be	O
proceeded	O
with	O
the	O
story	O
.	O
</s>
<s>
And	O
then	O
there	O
was	O
no	O
news	O
for	O
a	O
while	O
,	O
and	O
then	O
all	O
of	O
sudden	O
,	O
it	O
was	O
released	O
as	O
Online	O
MMORPG	B-Protocol
game	O
which	O
had	O
almost	O
different	O
concept	O
from	O
what	O
it	O
was	O
at	O
the	O
first	O
place	O
.	O
</s>
<s>
In	O
fact	O
,	O
players	O
were	O
highly	O
excited	O
when	O
its	O
transformation	O
system	O
was	O
released	O
,	O
but	O
what	O
came	O
out	O
of	O
it	O
was	O
the	O
slow-paced	O
2D	O
game	O
such	O
as	O
Lineage	B-Protocol
(	O
video	O
game	O
)	O
.	O
</s>
<s>
Red	B-Application
stone	I-Application
features	O
the	O
combat	O
between	O
the	O
player	O
and	O
the	O
monster	O
using	O
various	O
skills	O
along	O
with	O
the	O
transformation	O
system	O
.	O
</s>
<s>
is	O
a	O
singleplayer	O
only	O
adaptation	O
for	O
the	O
Nintendo	B-Device
DS	I-Device
released	O
only	O
in	O
Japan	O
.	O
</s>
