This is a selected list of notable massively multiplayer online games which are free-to-play in some form without ever requiring a subscription or other payment.
These MMOGs provide client software free of charge and allow users to play the game without requiring payment.
They are funded through advertising, either in-game or through pop-ups.
These MMOGs are free to play, but players may optionally purchase in-game items or currency.
(formerly Three Rings Design) (formerly Three Rings Design and Sega) These MMOGs offer optional additional game content through paid subscription, but are otherwise free to play.