An online game is a video game that is either partially or primarily played through the Internet or another computer network. Online games are ubiquitous on modern gaming platforms, including PCs, consoles and mobile devices, and span many genres, including first-person shooters, strategy games and massively multiplayer online role-playing games (MMORPG).
The design of online games can range from simple text-based environments to the incorporation of complex graphics and virtual worlds. The prominence of online components within a game can range from being minor features, such as an online leaderboard, to being part of core gameplay, such as directly playing against other players. Many online games create their own online communities, while other games, especially social games, integrate the players' existing real-life communities.
Online game culture sometimes faces criticisms for an environment that might promote cyberbullying, violence, and xenophobia. Some gamers are also concerned about gaming addiction or social stigma. Online games have attracted players from a variety of ages, nationalities, and occupations. Online game content can also be studied in scientific field, especially gamers' interactions within virtual societies in relation to the behavior and social phenomena of everyday life.
The history of online games dates back to the early days of packet-based computer networking in the 1970s, An early example of online games are MUD, including the first, MUD1, which was created in 1978 and originally confined to an internal network before becoming connected to ARPANet in 1980. Commercial games followed in the next decade, with Islands of Kesmai, the first commercial online role-playing game, debuting in 1984, as well as more graphical games, such as the MSX LINKS action games in 1986, the flight simulator Air Warrior in 1987, and the Famicom Modem's online Go game in 1987. The rapid availability of the Internet in the 1990s led to an expansion of online games, with notable titles including Nexus: The Kingdom of the Winds (1996), Quakeworld (1996), Ultima Online (1997), Lineage (1998), Starcraft (1998), Counter-Strike (1999) and EverQuest (1999). Video game consoles also began to receive online networking features, such as the Famicom Modem (1987), Sega Meganet (1990), Satellaview (1995), SegaNet (1996), PlayStation 2 (2000) and Xbox (2001). Following improvements in connection speeds, more recent developments include the popularization of new genres, such as social games, and new platforms, such as mobile games.