What does MMO stand for?

Massively multiplayer online

MMO means massively multiplayer online, which refers to online multiplayer games where thousands of players can play at one time. Some MMO games include "DC Universe Online," "World of Tanks," and "Call of Duty."

there are a variety of different MMO genres including action, flight simulation, exploration, FPS, social, and RTS. RPG MMO games are commonly referred to as MMORPG.


I need to stop spending five hours a day playing MMO games.

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Updated October 4, 2016

MMO definition by

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