Q.U.B.E. (derived from the word Quick Understanding of Block Extrusion) is a physics-based puzzle video game developed and published by Toxic Games with help from Indie Fund a group of independent game developers. The game an expansion of a student project by the founding members of Toxic Games was released for Microsoft Windows through a number of digital distribution platforms first through Desura on 17 December 2011 and then through Steam on 6 January 2012. An OS X port was later released on 17 December 2012 through Steam and on 18 December 2012 through Desura.