This game is a one- or 2-player Tetris (tm) in SVGA.
In the menu you can select the type of the game and the number of players. There are 2 kinds of game play: normal Tetris or BLOB. In the BLOB-game all stones are falling directly to the ground as deep as they can. Stones do only vanish if you 'connect' a certain number of stones from the same colour. In both games you have to survive as long as you can and gather enough points for a n