From the back of the Playstation edition case:
If you think you've mastered Tetris, then think again! Now there's The New Tetis - a revolutionary twist on the classic puzzle game. More features, more challenging, and more addictive than ever. The Next Tetris: it'll blow your mind!
-Multiplayer modes including classic Tetris and The Next Tetris.
-Intense head-to-head competition, Automatic "game leveler" makes every match a tossup
-New "breakaway" and "sticky" Tetris blocks
-Special visual and gravity effects
-DUAL SHOCK analog controller support