Steam playtest
Tandemonium
A signup control was found on 2026-10-29 09:14. Admission is decided by the developer.
Participation is not guaranteed — access to a playtest is allocated by the developer and the rules can change. How it works · Voluntary support for the site
Two riders. One bike. Total chaos. Tandemonium is a physics-based tandem racing game where two players share a crank with pedals 180° apart. Sync strokes for speed or clash into wobbling chaos. Play solo or ride online together with built-in voice and video chat.

What a Steam playtest is
A playtest is a test build of a game that developers offer before release. On Steam you sign up for testing on the game's page. Whether you get access immediately, or the developer invites you first, is decided by the developer and can change.
More games with a playtest
This game is part of the Playtest Atlas overview — 3645 games in the catalogue.