

ThunderRam Studios
Release
Friday, March 6, 2026
Player score
Awaiting reviews
Platform families
3
Connected releases
Core game only
Game data from IGDB
Editorial overview
What it is
Grimslair is a dark fantasy roguelite deckbuilder where every run is a race against Grim’s soul quota. Build brutal card combos, rip Soulwords from the living and the dead, break Grim’s deadly chain attacks, and rewind time when your run collapses.
The premise
Play a deadly card game with your father, Grim, and fight to bring your girlfriend back from the dead. Battle brutal enemies, collect and level up cards, empower them with powerful modifiers, and rewind time to undo your mistakes in this dark-fantasy roguelite/roguelike deckbuilder.
Play styles
Single player
More like this
Languages
25 supported
Cinematic archive
Official footage, in-game captures, and production artwork—collected into one immersive gallery.
Trailer
Production dossier
Cast, creators, hardware, release history, and the details that define how this game plays.

Linux

PC (Microsoft Windows)

Mac
Minimum
Minimum: • OS: Ubuntu 22.04 LTS / SteamOS 3.0, 64-bit • Processor: Intel Core i5-7500 / AMD Ryzen 3 1200 or Steam Deck APU • Memory: 16 GB RAM • Graphics: Vulkan-compatible GPU, NVIDIA GTX 970 / GTX 1650, AMD RX 570, or Steam Deck APU • Storage: 10 GB available space • Sound Card: Compatible audio device • Additional Notes: Requires 64-bit Linux and Vulkan-compatible drivers
Recommended
Recommended: • OS: Ubuntu 24.04 LTS / SteamOS 3.5+, 64-bit • Processor: Intel Core i5-11400 / AMD Ryzen 5 3600 • Memory: 16 GB RAM • Graphics: NVIDIA RTX 3060 or AMD RX 6600 XT • Storage: 10 GB available space • Sound Card: Compatible audio device • Additional Notes: SSD recommended