<s>
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
,	O
known	O
in	O
South	O
Korea	O
as	O
Dungeon	O
&	O
Fighter	O
,	O
is	O
a	O
multiplayer	O
beat	B-Application
'	I-Application
em	I-Application
up	I-Application
action	B-Application
role-playing	I-Application
game	I-Application
,	O
developed	O
and	O
published	O
for	O
personal	B-Device
computers	I-Device
by	O
Neople	O
,	O
a	O
South	O
Korean	O
subsidiary	O
of	O
Nexon	O
,	O
and	O
originally	O
published	O
by	O
Hangame	O
in	O
2005	O
.	O
</s>
<s>
In	O
2014	O
,	O
Neople	O
began	O
an	O
alpha	O
test	O
of	O
a	O
global	O
version	O
of	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
using	O
the	O
last	O
English	O
version	O
hosted	O
by	O
Nexon	O
,	O
which	O
has	O
since	O
ended	O
.	O
</s>
<s>
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
is	O
one	O
of	O
the	O
most-played	O
and	O
highest-grossing	O
video	O
games	O
of	O
all	O
time	O
,	O
with	O
over	O
players	O
worldwide	O
and	O
over	O
in	O
lifetime	O
revenue	O
.	O
</s>
<s>
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
is	O
similar	O
to	O
2D	O
side-scrolling	O
arcade	O
hack	O
and	O
slash/beat	O
'	O
em	O
up	O
games	O
,	O
such	O
as	O
Golden	B-Application
Axe	I-Application
or	O
Double	B-Application
Dragon	I-Application
.	O
</s>
<s>
There	O
are	O
a	O
number	O
of	O
social	O
aspects	O
to	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
,	O
including	O
Guilds	O
,	O
PvP	O
Arenas	O
,	O
Party	O
Play	O
.	O
</s>
<s>
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
was	O
developed	O
by	O
a	O
South	O
Korean	O
company	O
called	O
Neople	O
who	O
previously	O
only	O
published	O
a	O
number	O
of	O
casual	O
online	O
games	O
through	O
their	O
own	O
game	O
portal	O
site	O
.	O
</s>
<s>
Even	O
though	O
many	O
games	O
being	O
released	O
at	O
the	O
time	O
were	O
3D	O
,	O
Neople	O
decided	O
to	O
create	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
in	O
2D	O
because	O
they	O
did	O
not	O
believe	O
it	O
affected	O
gameplay	O
,	O
they	O
did	O
not	O
feel	O
a	O
3D	O
game	O
could	O
capture	O
the	O
look	O
and	O
feel	O
of	O
the	O
original	O
illustrations	O
of	O
the	O
characters	O
,	O
the	O
ease	O
of	O
casual	O
players	O
getting	O
into	O
the	O
game	O
,	O
and	O
they	O
had	O
more	O
experience	O
with	O
2D	O
games	O
.	O
</s>
<s>
Five	O
years	O
after	O
the	O
original	O
release	O
in	O
Korea	O
,	O
Nexon	O
America	O
revealed	O
plans	O
for	O
an	O
English	O
version	O
of	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
at	O
the	O
2009	O
Game	O
Developers	O
Conference	O
in	O
late	O
March	O
.	O
</s>
<s>
The	O
title	O
was	O
renamed	O
from	O
Dungeon	O
&	O
Fighter	O
to	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
because	O
of	O
the	O
awkwardness	O
to	O
say	O
"	O
Dungeon	O
and	O
Fighter	O
"	O
.	O
</s>
<s>
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
officially	O
launched	O
on	O
June	O
9	O
,	O
2010	O
.	O
</s>
<s>
It	O
was	O
announced	O
on	O
April	O
2	O
,	O
2013	O
,	O
that	O
the	O
North	O
American	O
version	O
of	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
would	O
be	O
shutting	O
down	O
on	O
June	O
13	O
,	O
2013	O
.	O
</s>
<s>
Neople	O
announced	O
a	O
closed	O
beta	O
test	O
for	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
,	O
scheduled	O
for	O
release	O
around	O
March	O
2015	O
,	O
due	O
to	O
them	O
moving	O
their	O
office	O
to	O
the	O
island	O
of	O
Jeju	O
,	O
located	O
off	O
the	O
south-west	O
coast	O
of	O
South	O
Korea	O
.	O
</s>
<s>
On	O
January	O
19	O
,	O
2016	O
,	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
Season	O
2	O
was	O
released	O
.	O
</s>
<s>
On	O
August	O
9	O
,	O
2016	O
,	O
the	O
game	O
was	O
released	O
on	O
Steam	B-Application
as	O
free-to-play	O
,	O
offering	O
achievements	O
and	O
paid	O
DLC	O
.	O
</s>
<s>
On	O
January	O
17	O
,	O
2017	O
,	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
Season	O
3	O
was	O
released	O
.	O
</s>
<s>
On	O
February	O
27	O
,	O
2018	O
,	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
Season	O
4	O
was	O
released	O
.	O
</s>
<s>
On	O
February	O
26	O
,	O
2019	O
,	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
Season	O
5	O
was	O
released	O
.	O
</s>
<s>
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
had	O
a	O
300	O
million	O
registered	O
users	O
celebration	O
on	O
May	O
25	O
,	O
2011	O
.	O
</s>
<s>
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
had	O
25	O
million	O
monthly	O
active	O
users	O
as	O
of	O
November	O
2012	O
.	O
</s>
<s>
Nexon	O
revealed	O
that	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
grossed	O
a	O
revenue	O
of	O
$8.7	O
billion	O
in	O
just	O
over	O
10	O
years	O
after	O
its	O
2005	O
debut	O
,	O
more	O
than	O
the	O
combined	O
box	O
office	O
gross	O
of	O
Star	B-Application
Wars	I-Application
,	O
the	O
biggest	O
film	O
franchise	O
at	O
the	O
time	O
.	O
</s>
<s>
In	O
2017	O
,	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
grossed	O
$1.6	O
billion	O
,	O
making	O
it	O
the	O
year	O
's	O
second	O
highest-grossing	O
PC	O
game	O
(	O
after	O
League	B-Application
of	I-Application
Legends	I-Application
)	O
and	O
third	O
highest-grossing	O
video	O
game	O
(	O
after	O
League	B-Application
of	I-Application
Legends	I-Application
and	O
Honor	B-Application
of	I-Application
Kings	I-Application
)	O
.	O
</s>
<s>
In	O
March	O
2018	O
,	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
was	O
the	O
highest-grossing	O
PC	O
game	O
of	O
the	O
month	O
,	O
above	O
League	B-Application
of	I-Application
Legends	I-Application
.	O
</s>
<s>
Dungeon	B-Protocol
Fighters	I-Protocol
March	O
2018	O
gross	O
was	O
the	O
third	O
highest	O
ever	O
monthly	O
revenue	O
for	O
a	O
free-to-play	O
game	O
.	O
</s>
<s>
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
was	O
the	O
second	O
highest-grossing	O
digital	O
game	O
of	O
2018	O
with	O
,	O
and	O
again	O
in	O
2019	O
with	O
,	O
bringing	O
its	O
lifetime	O
gross	O
revenue	O
to	O
.	O
</s>
<s>
,	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
has	O
exceeded	O
$15	O
billion	O
in	O
lifetime	O
gross	O
revenue	O
,	O
making	O
it	O
one	O
of	O
the	O
highest-grossing	O
entertainment	O
media	O
IPs	O
,	O
with	O
its	O
lifetime	O
revenue	O
larger	O
than	O
the	O
box	O
office	O
gross	O
of	O
the	O
Star	B-Application
Wars	I-Application
,	O
Harry	O
Potter	O
and	O
Avengers	O
film	O
series	O
.	O
</s>
<s>
,	O
the	O
original	O
PC	O
version	O
of	O
Dungeon	B-Protocol
Fighter	I-Protocol
Online	I-Protocol
has	O
grossed	O
over	O
in	O
lifetime	O
gross	O
revenue	O
and	O
exceeded	O
registered	O
users	O
worldwide	O
.	O
</s>
