Steam playtest
Hostile Mars
A signup control was found on 2026-11-01 21:08. 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
Hostile Mars is a factory-building game focused on combat! Explore an open world and discover new tech to unlock powerful weapons and structures. Create efficient supply chains using delivery bots. Salvage destroyed enemies for resources. Design your base to withstand increasing waves of enemies!
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 — 3692 games in the catalogue.