New free MMOs in April 2011:
Click.
Battlefield: Play4Free
International
Release: Open Beta – April 4, 2011
Subgenre: FPS
Publisher: Electronic Arts
Developer: DICE/Easy Studios
Spiral Knights
Spiral Knights
International
Release: Live – April 4, 2011
Subgenre: Action RPG
Publisher: SEGA
Developer: Three Rings
Click.
Rise of the Immortals
International
Release: Closed Beta – April 5, 2011
Subgenre: RTS
Publisher: Petroglyph Games
Developer: Petroglyph Games
Click.
Divine Souls
International
Release: Live – April 5, 2011
Subgenre: Action RPG / Brawler
Publisher: OutSpark
Developer: GamePrix
C21
C21 – Steel Battle Chronicles
International
Release: Closed Beta – April 7, 2011
Subgenre: TPS
Publisher: CyberStep
Developer: CyberStep

Click.

Mythos
International
Release: Open Beta – April 12, 2011
Subgenre: CRPG
Publisher: Frogster
Developer: HanbitSoft

World of Tanks

World of Tanks
International
Release: Live – April 12, 2011
Subgenre: TPS
Publisher: Wargamming.net
Developer: Wargamming.net
Aika SEA
Aika SEA
Southeast Asia
Release: Live – April 12, 2011
Subgenre: CRPG
Publisher: AsiaSoft
Developer: HanbitSoft

Metal Assault

Metal Assault
International
Release: Open Beta – April 14, 2011
Subgenre: Run ‘N Gun
Publisher: Aeria Games
Developer: GNI & Sesi Soft

Global Agenda

Global Agenda: Free Agent
International
Release: F2P Update – April 14, 2011
Subgenre: TPS
Publisher: Hi-Rez Studios
Developer: Hi-Rez Studios

Click.

Argo Online
International
Release: Live – April 21, 2011
Subgenre: CRPG
Publisher: Alaplaya
Developer: MGame

Allods Online NA

Allods Online
North America
Release: Live – April 26, 2011
Subgenre: CRPG
Publisher: Gala-Net
Developer: Mail.Ru
Elsword
Elsword
North America
Release: Open Beta – April 27, 2011
Subgenre: Sidescrolling action RPG
Publisher: Kill3rCombo
Developer: KOG

Wakfu

Wakfu
International
Release: Open Beta – April 27, 2011
Subgenre: SRPG
Publisher: Ankama Studio
Developer: Ankama Studio

Click.

Prius Online
North America
Release: Closed Beta – April 28, 2011
Subgenre: CRPG
Publisher: gPotato
Developer: CJ Internet
Aerrevan
Aerrevan
International
Release: Live – April 29, 2011
Subgenre: CRPG
Publisher: CubeForce Media
Developer: CubeForce Media
Three Kingdoms Brawler
Three Kingdoms Brawler
International
Release: Closed Beta 2 – April 2011
Subgenre: Brawler
Publisher: The9 Interactive
Developer: The9 Interactive