Massively multiplayer online role-playing game (MMORPG) is a genre of
online computer role-playing games (CRPGs) in which a large number of
players interact with one another in a
virtual world.As in all
RPGs, players assume the role of a
fictional character (most commonly in a
fantasy world) and take control over many of that character's actions, although, unlike traditional tabletop
RPGs such as
Dungeons & Dragons, there is a greater focus on progression and social interaction than actual
roleplaying. MMORPGs are distinguished from single-player or small multi-player RPGs by the number of players, and by the game's
persistent world, usually hosted by the game's
publisher, which continues to exist and evolve while the player is away from the game. MMORPGs should also be distinguished from their text-based relatives, sometimes called MU*s (more specifically
MUDs,
MUSHes,
MOOs etc. depending on the
codebase, which are generally free games based on an
open source codebase.
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