Grimslair
Battle deadly enemies for soul cards and modifiers, and bend time to undo your mistakes in this dark fantasy roguelite/roguelike deckbuilder. Play as Adam, the Grim Reaper’s son, fight beside your husky, meet Grim’s daily quota, and claw your way toward bringing your girlfriend back from the dead
Last Updated: 3/28/2026
| Steam Price | $19.99 |
| Release Date | 3/6/2026 |
| Developer | ThunderRam Studios |
| Publisher | ThunderRam Studios |
| Steam App Id | 3799560 |
Grimslair
Battle deadly enemies for soul cards and modifiers, and bend time to undo your mistakes in this dark fantasy roguelite/roguelike deckbuilder. Play as Adam, the Grim Reaper’s son, fight beside your husky, meet Grim’s daily quota, and claw your way toward bringing your girlfriend back from the dead
Last Updated: 3/28/2026
- Windows
- Mac
- Linux
- Steam Deck
About Grimslair
Grimslair is an Adventure, Indie, and Strategy game developed by ThunderRam Studios. On 3/6/2026, it was released on the Steam Store by ThunderRam Studios.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Grimslair on the Steam Deck.
According to Steam’s category system, Grimslair supports the following features:
- Custom Volume Controls
- Single-player
- Family Sharing
- Full controller support
- Adjustable Difficulty
- Steam Achievements
From the Steam community, Grimslair has been tagged with the following user tags:
- Colorful
- Adventure
- Singleplayer
- 2D
- Tabletop
- Emotional
- Card Game
- Roguelike
- Psychological
- Dungeon Crawler
- Roguelite
- Time Manipulation
- Turn-Based
- Deckbuilding
- 3D
- Roguelike Deckbuilder
- Dog
- Dark Fantasy
- Card Battler
- Strategy
Media & Sceenshots
Watch the featured video for Grimslair and see the latest screenshots from the Steam Store.

Related Packages
Grimslair is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
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Features & Categories
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Grimslair data has been sourced from:
- Valve Corporation. (2026, March 28). Grimslair on Steam. Steam Store.
- Valve Corporation. (2026, March 28). Grimslair. Steam Community Hub.
- ThunderRam Studios. (2025, September 27). Grimslair. Grimslair.