Steam playtest
The Hydra Experiment
A signup control was found on 2026-10-29 09:05. 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
Solve puzzles and fling flasks as a member of a mad scientist collective in this action-adventure RPG. Unlock prototypes and discover new mechanics, using them to explore deeper into 0-Laboratories. Build or burn bridges as you sculpt your persona with branching dialogue and consequences.
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.