RVR

Short for Realm vs. Realm, RVR is a term used to describe combat fighting in a MMORPG game where players defends or helps in taking objectives in a large area of the game against other opponents of a similar level. Often taking control of one or more objectives give all participating players a buff, experience, or other additional character attributes.

RVR is similar to the more commonly known PVP combat except that it often involves dozens of players instead of just a few.

Also see: Game terms, PVP