Tetr.io
Puzzle
Indie
Arcade
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!
1 Jan, 1970
5 Jun, 2026
About this game
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!
Screenshots
Details
Platforms:
PC (Microsoft Windows), Mac, Web browser
Release Date:
1 Jan, 1970
Modes:
Single player, Multiplayer, Battle Royale
Themes:
Genres:
Puzzle, Indie, Arcade
Player Perspectives:
Side view
IGDB Website:
IGDB Rating
4.1
User Rating
6
User Rating Count
82%
Rating %
Critics Rating
4.1
Critics Rating
6
Critics Rating Count
82%
Critics Rating %
Main Developers
osk
Supporting Developers
-
Publishers
osk
Videos
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