Free Realms is a massively multiplayer online role playing video game developed by Sony Online Entertainment (SOE) set in a fantasy-themed world, named Sacred Grove for the PC, Mac and PlayStation 3. The game was released on April 29, 2009, for the Windows PC.
The game itself is free to play, although in job without membership you cannot exceed level 4. In the New York Times, Free Realms was well received. The reviewer, Seth Shiesel, noted “For Sony Online, Free Realms is a triumph of the company’s own reinvention.” USA Today reviewer Marc Saltzman gave Free Realms a 4/5 score, noting “Sony Online Entertainment’s Free Realms is an extraordinary online adventure that is sure to please tweens and teens looking for a fun and free fantasy world.” Eurogamer gave the game a largely positive review, 
MMO editor Oli Welsh describing the game as “an effortlessly light and addictive indulgence”. MMOHut gave the game a 4/5 and noted that “Free Realms is one of the most feature-rich free MMORPGs currently available and it’s all delivered in a beautiful package”.
Free Realms offers an optional membership for a single player, allowing for 3 characters to be created per account plus other benefits such as member-only quests, jobs, and items. Only one character can be played at a time but in the future, a “family” membership will be offered allowing multiple logins at the same time. Also, micro-transactions are available for players interested in purchasing in-game items for their characters.
See this nice video about The Free Realms game: