<s>
Realm	B-Protocol
versus	I-Protocol
Realm	I-Protocol
(	O
RvR	O
)	O
is	O
a	O
type	O
of	O
player	O
versus	O
player	O
(	O
PvP	O
)	O
gameplay	O
in	O
massively	B-Protocol
multiplayer	I-Protocol
online	I-Protocol
role-playing	I-Protocol
games	I-Protocol
(	O
MMORPGs	B-Protocol
)	O
where	O
the	O
player	O
base	O
is	O
divided	O
over	O
multiple	O
preset	O
realms	O
that	O
fight	O
each	O
other	O
over	O
game	O
assets	O
.	O
</s>
<s>
This	O
differs	O
from	O
normal	O
Player	O
versus	O
Player	O
combat	O
in	O
that	O
Realm	B-Protocol
versus	I-Protocol
Realm	I-Protocol
usually	O
involves	O
a	O
combat-based	O
game	O
,	O
as	O
opposed	O
to	O
one	O
where	O
sporadic	O
Player	O
versus	O
Player	O
combat	O
occurs	O
.	O
</s>
<s>
Contrast	O
with	O
"	O
Guild	O
versus	O
Guild	O
"	O
games	O
(	O
or	O
GvG	O
,	O
in	O
an	O
alternate	O
usage	O
from	O
Group	O
versus	O
Group	O
)	O
,	O
such	O
as	O
Shadowbane	B-Protocol
or	O
Age	B-Protocol
of	I-Protocol
Conan	I-Protocol
,	O
in	O
which	O
players	O
organize	O
themselves	O
into	O
factions	O
of	O
their	O
own	O
creation	O
and	O
design	O
rather	O
than	O
realms	O
which	O
are	O
prebuilt	O
by	O
the	O
game	O
developers	O
.	O
</s>
<s>
In	O
2001	O
,	O
Mythic	O
Entertainment	O
introduced	O
a	O
new	O
team-based	O
form	O
of	O
PvP	O
combat	O
with	O
the	O
release	O
of	O
Dark	B-Protocol
Age	I-Protocol
of	I-Protocol
Camelot	I-Protocol
and	O
called	O
it	O
Realm	B-Protocol
versus	I-Protocol
Realm	I-Protocol
.	O
</s>
<s>
In	O
Realm	B-Protocol
vs	I-Protocol
Realm	I-Protocol
the	O
rules	O
would	O
be	O
similar	O
to	O
PvP	O
combat	O
.	O
</s>
<s>
Last	O
they	O
chose	O
to	O
allow	O
Realm	B-Protocol
vs	I-Protocol
Realm	I-Protocol
to	O
be	O
played	O
out	O
in	O
an	O
open	O
world	O
PvP	O
environment	O
known	O
as	O
the	O
RvR	O
zone	O
.	O
</s>
<s>
Complete	O
battlefield	O
freedom	O
(	O
even	O
the	O
freedom	O
to	O
not	O
take	O
part	O
)	O
allowed	O
for	O
RvR	O
and	O
DAoC	B-Protocol
to	O
become	O
one	O
of	O
the	O
most	O
successful	O
MMOs	O
of	O
its	O
time	O
.	O
</s>
<s>
Mythic	O
's	O
second	O
MMORPG	B-Protocol
,	O
Warhammer	B-Protocol
Online	I-Protocol
,	O
was	O
also	O
an	O
RvR	O
game	O
.	O
</s>
<s>
Mark	O
Jacobs	O
has	O
more	O
recently	O
led	O
a	O
team	O
re-imagining	O
the	O
Dark	O
Age	O
underpinnings	O
of	O
RvR	O
with	O
a	O
new	O
game	O
called	O
Camelot	B-Protocol
Unchained	I-Protocol
that	O
is	O
still	O
in	O
development	O
.	O
</s>
<s>
Other	O
RvR	O
mmorpgs	B-Protocol
of	O
note	O
are	O
Arenanet	O
's	O
Guild	B-Protocol
Wars	I-Protocol
2	I-Protocol
and	O
Nimble	O
Giant	O
Entertainment	O
's	O
Champions	B-Protocol
of	I-Protocol
Regnum	I-Protocol
.	O
</s>
<s>
Such	O
titles	O
include	O
Anarchy	B-Protocol
Online	I-Protocol
,	O
where	O
three	O
groups	O
of	O
characters	O
that	O
fight	O
in	O
designated	O
PvP	O
areas	O
,	O
EVE	B-Protocol
Online	I-Protocol
,	O
a	O
space-based	O
MMORPG	B-Protocol
where	O
different	O
factions	O
and	O
player	O
created	O
alliances	O
fight	O
over	O
specific	O
regions	O
,	O
and	O
PlanetSide	B-Protocol
2	I-Protocol
,	O
a	O
MMOFPS	B-Protocol
where	O
three	O
factions	O
fight	O
for	O
control	O
over	O
territories	O
.	O
</s>
