Tetris Worlds The Tetrions are a set of gateways to other worlds. They can only be opened with the right combination of falling blocks. Find this combination to evacuate a species before their planet blows up! Evacuate the Minos by playing Tetris to open the gates and let them escape Play six different variations of Tetris, like Hot-Line, Cascade, and Fusion Watch in amazement as the worlds evolve while you play Multiplayer madness as four players race to find who can clear levels faster