List of massively multiplayer online first-person shooter games

This is a selected list of massively multiplayer online first-person shooter games. MMOFPSs are large multi-user games that take place in perpetual online worlds with hundreds or thousands of other players.

Business models
MMOFPSs today use a wide range of business models, from completely free of charge (no strings attached) or advertise funded to various kinds of payment plans. This list uses the following terms.
 * Free-to-play (F2P) means that there might be a cost to purchase the software but there is no subscription charge or added payments needed to access game content.
 * Pay-to-play means that players must pay, usually by monthly subscription, in order to play the game.
 * Freemium means that the majority of game content is available for free but players can pay for extra content or added perks.