The action is relatively simple: on a playing field 10-blocks wide by 20-blocks high, different shaped pieces fall from the top of the screen and float down towards the bottom; your job is to turn each piece as it drops in order to form complete horizontal lines of blocks. As you fill in rows completely, they disappear but if your field fills up with pieces or if the time limit expires, you've lost the game. This concept is elementary, but highly addictive. NEXT TETRIS adds a few changes to the mix as well. "Multimino" pieces have been added, which contain different colored blocks within them. When these land the colors separate, and if they don't match the surrounding pieces, they fall down and fill in spaces below. These lines may fill up and disappear, creating a "Cascade," where as many as five or six rows vanish in succession. For 1-2 Players.