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Steam playtest

The Last Catalyst

A signup control was found on 2026-10-29 09:05. Admission is decided by the developer.

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Delve into this real-time roguelike deckbuilder mixed with an auto-battler. Find powerful synergies, improve your spells, collect artifacts and skills, and climb your way through swarms of enemies until you face the final boss! /!\ All visuals and sounds are temporary /!\

Roguelike DeckbuilderAuto BattlerDeckbuildingFrenetic ShootersActionRoguelikeCard BattlerAction Roguelike
The Last Catalyst — game preview

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.

More games with a playtest

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