SynopsisThere are many theories as to the origin of the Tetrions. The simple truth is that the Tetrions are the only evidence of a long since forgotten space-faring species. Tetrions are gateways to planets orbiting distant stars. They can only be opened by an intelligent species because it works only for those who unlock the secrets of the falling blocks. We have called the gate-opening activity Tetris. And while it is the key to connecting us to distant worlds, Tetris has been found to be very addictive by all intelligent species.Deceptively simple and completely addictive, the popular puzzle game is back with a new look in Tetris Worlds. This time around, you have six variations of gameplay to explore, including the all-new Hot-Line Tetris, Cascade Tetris and Fusion Tetris. Prepare to set some free time aside.