Online multiplayer
In modern computer games, the word multiplayer usually implies that the players play together by connecting multiple computers via a network such as the Internet. This form of multiplayer is sometimes called "netplay" to refine the meaning. Networked multiplayer games tend to be most enjoyable when played on a LAN because it essentially eliminates the problem of lag. As a result, multiplayer games usually are the focus of LAN parties. Play-by-email games are multiplayer games that use email as the method of communication between computers.
Some online games are "massively multiplayer" games, which means that a large number of players participate simultaneously. The two major genres are MMORPG (massively multiplayer online role-playing games, such as Ultima Online or EverQuest) and MMORTS (massively multiplayer online real-time strategy games).
Some networked multiplayer games do not even feature a single-player mode. For example, MUDs and massively multiplayer online games are multiplayer games by definition. First-person shooters have become very popular multiplayer games and games like Battlefield 1942 and Counter-Strike gained their fame despite not featuring extensive (or any) single-player plot or gameplay.
Notable multiplayer games in which each player uses a different display include:
This category of games currently requires multiple machines to connect to each other over the Internet, but before the Internet became popular, MUDs were played on time-sharing computer systems, and games such as DOOM were played on a