Tetrii was a PVP Tetris battle tournament game hosted at tetrii.com. Players could compete head-to-head in real-time online multiplayer matches, battling it out in classic block-stacking gameplay with a competitive twist.
The game also featured AI opponents, so you could practice and sharpen your skills even when no human opponents were available. Playable on both mobile and desktop browsers — no download required.
⚠ This game is no longer live. tetrii.com is currently inactive.