Main article: Video game
Video games use electronic devices. Commercial video games were first available in the 1970s, though earlier games included Tennis for Two and Spacewar!. Video games are interactive and may have a game engine simulating complex physics and environments. Genres include action/shooter, fighting, and platform games.
Massively multiplayer online role-playing games can support thousands of players simultaneously within a virtual world. As of 2013, the MMORPG World of Warcraft had 36% market share.Esports give away millions of dollars in prize money while millions of viewers watch across the world.
