TetFun 2000: World Championship is a very nice Tetris game. It also includes Pentix, a popular variation of Tetris, which is a more complicated game with bombs and four gaming modes (Classic, Timer, Rising and World Championship). There are fourteen different block sets. TetFun 2000 has very comfortable keyboard controls. You can change key-sensitivity and set your own background color. Your game can be saved at any moment and, once you have a registered copy of TetFun 2000 you can send your results to the Internet Table of highest scores.