| New free MMOs in June 2011: | ||
 Prius Online International Release: Open Beta – June 2, 2011 Subgenre: CRPG Publisher: gPotato Developer: CJ Internet |
 Karma Online: Prisoners of the Dead International Release: Closed Beta – June 7, 2011 Subgenre: FPS Publisher: JOYMAX Developer: DragonFly |
 MicroVolts International Release: Live – June 9, 2011 Subgenre: TPS Publisher: Rock Hippo Productions Developer: SK-imedia |
 Black Prophecy North America Release: Open Beta – June 9, 2011 Subgenre: Space shooter Publisher: gamigo Developer: Reakktor Media GMBH |
 Dragon Nest North America Release: Closed Beta – June 15, 2011 Subgenre: Action RPG Publisher: Nexon Developer: Eyedentity Games |
 Eden Eternal International Release: Open Beta – June 16, 2011 Subgenre: CRPG Publisher: Aeria Games Developer: X-Legends |
 Xen Online Europe Release: Closed Beta – June 16, 2011 Subgenre: CRPG Publisher: MAYN Interactive Developer: DNC Entertainment |
 Lucent Heart North America Release: Open Beta – June 22, 2011 Subgenre: CRPG Publisher: Gamania Developer: PlayCool |
 R2 Online International Release: Closed Beta – June 23, 2011 Subgenre: CRPG Publisher: Webzen Developer: Webzen |
 ArmA 2: Free International Release: Live – June 24, 2011 Subgenre: FPS Publisher: Bohemia Interactive Developer: Bohemia Interactive |
 Team Fortress 2: Free-to-Play International Release: F2P Update – June 24, 2011 Subgenre: FPS Publisher: Valve Developer: Valve |
 Hellgate Global International Release: Open Beta – June 30, 2011 Subgenre: Action RPG | FPS Publisher: T3 Entertainment Developer: Flagship Studios |
 Aida Arenas International Release: Closed Beta – June 30, 2011 Subgenre: Action RPG Publisher: GamerKraft Developer: Galaxy Gate |