Steam playtest

ULTRAMASSIVE

A signup control was found on 2026-10-29 09:06. 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

ULTRAMASSIVE is a rogue-like deckbuilding game in a sci-fi setting. Embark on a journey towards the center of the galaxy, craft unique decks, fight hostile aliens, upgrade your space ship and face the unknown.

IndieRoguelike DeckbuilderCasualSingleplayer2DRoguelikeCard GameCard Battler

Open playtest on Steam →

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.

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This game is part of the Playtest Atlas overview — 3645 games in the catalogue.