Massively multiplayer online game

Multiplayer video game with a large number of players A massively multiplayer online (MMO) game, abbreviated as MMOG or MMO, is a type of online video game that allows a large number of players to simultaneously interact in the same game server. MMOs often feature a huge and persistent open world, although there are games that differ.[citation needed] These games can be played on most network-capable platforms, including the personal computer, video game console, or smartphones and other mobile devices. History The most popular type of MMOs, and the subgenre that pioneered the category, is the massively multiplayer online role-playing game (MMORPG), which descended from university mainframe computer MUD and adventure games such as Rogue and Dungeon on the PDP-10. These games predate the commercial gaming industry and the Internet, but still featured persistent worlds and other elements of MMOs still used today. The first graphical MMO, and a major milestone in the creation of the genre, was the multiplayer flight combat simulation game Air Warrior by Kesmai on the GEnie online service, which first appeared in 1986. Kesmai later added 3D graphics to the game, making it the first 3D