Played 4359 times.
5.0 (1 Reviews)

TETR.IO is a free-to-play online multiplayer and single player game that has been making waves in the gaming community. Developed by osk, TETR.IO offers a modern yet familiar online stacker game experience that will remind you of the classic game, Tetris.


The goal of TETR.IO is simple: clear as many lines as you can. The game challenges players to strategically move the falling Tetriminos around so that they fit together in the Matrix. When every square in a single row is filled, the line is cleared and points are scored.

Multiplayer Mode

In multiplayer mode, players can compete against friends and foes from all over the world. The game offers a Quick Play room for matches with default settings, and a Custom Play option for creating custom rooms with adjustable settings such as spin bonuses, player limit, and the amount of next pieces shown.

Single Player Mode

For those who prefer to play solo, TETR.IO also offers a single player mode. Here, players can practice their skills and strategies, aiming to clear as many lines as possible and achieve high scores.


Players can track their progress and achievements on the TETRA CHANNEL, the official companion site to TETR.IO. This feature adds an extra layer of competition, allowing players to claim a spot on the leaderboards and see how they stack up against other players globally.


With its engaging gameplay and competitive features, TETR.IO is more than just a game - it's a global phenomenon. Whether you're a seasoned gamer or a casual player, TETR.IO offers a fun and challenging experience that's sure to keep you coming back for more.

Move Blocks = Arrow Keys.
Place Block Faster = Space.

Report Game