1)   Absolute Smart HexTris 1.2 This is interactive screen saver: You may watch intelligent engine playing hextris - a new kind of tetris, or play yourself. The remarkable distinction from other screensavers is: you can take control over the game by pressing arrows or spacebar. 2)   Absolute IntelliTetris 1.2 This is interactive screen saver: You may watch intelligent engine playing tetris, or play yourself. The remarkable distinction from other screensavers is that you can take control over the game by pressing arrows or spacebar.