Games / Puzzle / Tetr.io
Tetr.io cover art

Tetr.io

PC
8.1 / 10Online PvPUp to 999 players

Tetr.io is a modern yet familiar online stacker developed by osk. Play against friends and foes all over the world, or claim a spot on the leaderboards - the stacker future is yours!

Tetr.io is a puzzle/action game available on PC. It supports up to 999 players online.

Genres

PuzzleActionParty

Tags

Online Multiplayer

Get it on

Steam

FAQ

What platforms is Tetr.io on?

Tetr.io is available on PC.

How many players can play Tetr.io?

Tetr.io supports up to 999 players online.

Is Tetr.io free?

No, Tetr.io is a paid game.

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Last updated June 4, 2026

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