List of free multiplayer online games
Free play
Columns: Developer(s) | Release date | Required OS | Payment | Type
Microsoft Research | March 16, 2000 | Windows | Free to play | 3D | Zeonix | January 2003 | Windows | Free to play | 2D | Open Source | January 5, 1996 | Linux | Free to play | 2D | Omerta Game Limited | 26 September, 2003 | Browser-based | Free to Play | Text | Open Source | August 19, 2005 | Windows , OS X , Linux | Free to Play | 3D | Virgin Interactive | November 30, 1997 | Windows | Free to play | 2D | Open Source | August 5, 2000 | Windows , OS X , Linux | Free to Play | 3D | Virtonomics Co. | May 30, 2009 | Windows | Free to play | Text | Open Source | December 23, 2010 | Windows , OS X , Linux | Free to Play | 3D