<s>
Dark	B-Protocol
and	I-Protocol
Light	I-Protocol
was	O
a	O
pay	O
to	O
play	O
fantasy	B-Application
MMORPG	B-Protocol
developed	O
in	O
Reunion	O
Island	O
by	O
NPCube	O
and	O
published	O
by	O
Farlan	O
Entertainment	O
.	O
</s>
<s>
Snail	O
Games	O
acquired	O
the	O
rights	O
to	O
Dark	B-Protocol
and	I-Protocol
Light	I-Protocol
in	O
2008	O
and	O
developed	O
a	O
"	O
fantasy	B-Application
survival	O
sandbox	O
RPG	O
"	O
,	O
which	O
was	O
released	O
as	O
early	O
access	O
in	O
2017	O
with	O
the	O
same	O
name	O
.	O
</s>
<s>
Dark	B-Protocol
and	I-Protocol
Light	I-Protocol
was	O
a	O
third-person	O
Massively	B-Protocol
Multiplayer	I-Protocol
Online	I-Protocol
Role-Playing	I-Protocol
Game	I-Protocol
(	O
MMORPG	B-Protocol
)	O
,	O
set	O
in	O
a	O
medieval	O
fantasy	B-Application
world	O
called	O
Ganareth	O
.	O
</s>
<s>
There	O
were	O
14	O
playable	O
character	O
classes	O
to	O
choose	O
from	O
,	O
divided	O
into	O
four	O
main	O
archetypes	B-Language
:	O
Fighter	O
,	O
Hunter	O
,	O
Healer	O
,	O
and	O
Mage	O
.	O
</s>
<s>
Progression	O
in	O
Dark	B-Protocol
and	I-Protocol
Light	I-Protocol
experience	O
points	O
gained	O
in	O
three	O
separate	O
systems	O
,	O
or	O
"	O
axes	O
"	O
:	O
Combat	O
,	O
Crafting	O
,	O
and	O
Social	O
.	O
</s>
<s>
The	O
expansive	O
game	B-Application
world	I-Application
was	O
one	O
of	O
their	O
larger	O
selling	O
points	O
,	O
offering	O
39,000	O
square	O
kilometers	O
(	O
15,000	O
sq	O
.	O
</s>
<s>
Development	O
on	O
Dark	B-Protocol
and	I-Protocol
Light	I-Protocol
started	O
by	O
NPCube	O
in	O
2002	O
.	O
</s>
<s>
Dark	B-Protocol
and	I-Protocol
Light	I-Protocol
received	O
largely	O
negative	O
reviews	O
.	O
</s>
<s>
Common	O
complaints	O
were	O
the	O
prevalence	O
of	O
gameplay	O
bugs	B-Error_Name
,	O
low	O
quality	O
graphics	O
,	O
and	O
poor	O
overall	O
implementation	O
.	O
</s>
<s>
Many	O
reviewers	O
liked	O
the	O
expansiveness	O
and	O
detail	O
of	O
the	O
game	B-Application
world	I-Application
.	O
</s>
<s>
MMORPG.com	O
gave	O
the	O
game	O
a	O
4	O
out	O
of	O
10	O
,	O
saying	O
that	O
it	O
"	O
offers	O
a	O
degree	O
of	O
freedom	O
that	O
is	O
rare	O
in	O
online	O
games	O
"	O
but	O
"	O
the	O
game	O
in	O
its	O
current	O
state	O
is	O
broken	O
,	O
full	O
of	O
bugs	B-Error_Name
and	O
does	O
not	O
have	O
half	O
of	O
what	O
was	O
promised	O
"	O
.	O
</s>
<s>
GameZone	O
gave	O
the	O
game	O
5.3	O
out	O
of	O
10	O
,	O
saying	O
that	O
"	O
innovative	O
gameplay	O
elements	O
are	O
not	O
enough	O
to	O
save	O
a	O
game	O
that	O
is	O
fraught	O
with	O
concept	O
flaws	O
,	O
lag	O
and	O
bugs	B-Error_Name
and	O
unfinished	O
elements.	O
"	O
</s>
