The Tetris Company has an aggressive stance towards protecting their trademark. You don't dare publish anything that remotely sounds like Tetris (anything endin

The Tetris Company has an aggressive stance towards protecting their trademark. You don't dare publish anything that remotely sounds like Tetris (anything ending in -tris, in fact [1]). Games that bear the name Tetris must adhere to stringent gameplay guidelines too [2]. [1] http://gaygamer.net/2008/08/tris_tetris_clone_for_iphone_b.html http://gaygamer.net/2008/08/tris_tetris_clone_for_iphone_b.h... [2] http://www.tetrisconcept.net/wiki/Tetris_Guideline http://www.tetrisconcept.net/wiki/Tetris_Guideline