Advanced Tetric - Version 3.6 A little more than just Tetris. It also includes Pentix, a popular variation of Tetris that's more complicated and more interesting, Color Tetris and two additional variations of Tetris: Advanced Tetris and Advanced Pentix. There are also eight different block sets to play with. You can use your own sound effects and background picture if you like. A must-have for Tetris fans.