Steam playtest
Orbital Defense Idle
A signup control was found on 2026-10-29 09:09. 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
Join O.D.I. Bot and the crew as you defend your planets against an endless alien fleet in this infinite sci-fi idle tower defense game. Collect 78 tarot-inspired Axiom cards, unleash devastating secret weapons, and push through 20 unique worlds to uncover the mysterious force driving the invasion.
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.