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In this DEMO, you can play the full game for up to 1 hour (all features are unlocked)

How many times would you relive the same day to save someone you love?

In GRIMSLAIR you step into the role of Adam, son of the Grim Reaper, drafted into the family business under a brutal deal: reap enough souls each day and Grim will keep listening to your plea to bring your girlfriend back to life. Survive 15 days, but if you miss the quota or die, the clock snaps back in time... deck refreshed, ready to go for another run.

Features

• Soulword-driven deckbuilding
  Collect and fuse Soulwords that change how your cards behave: more damage, new targeting patterns, resource gains, status effects, and powerful tradeoffs. Evolve favorite cards across loops and experiment with builds that only work because you’ve bent the deck into something uniquely yours. 

• Chain-based battle system
  Battles revolve around a five-slot chain belt where card order and adjacency matter. The cards Grim throws onto the belt can set up an easy round—or a devastating onslaught—if you don’t have the tools to disrupt or manipulate his plan.

• Daily soul quotas & time loops
  Every day starts with a fresh soul quota and a new chance to get it right. Track down enemies across the map, decide which fights are worth the risk, and feel the tension rise as the clock pushes you toward one last desperate battle before the day snaps back.

• Adam & his ghost dog
  You’re never reaping alone. Your dog helps you overcome traps during exploration and fights beside you with their own cards, roles, and status effects. Protect each other, build decks around dog-focused support or aggression, and feel it when your partner gets stunned, wounded, or pulls off a clutch save.

• Survival in hostile biomes
  Navigate through graveyards, forests, caves, and other unique locations that challenge Adam. Shifting day/night cycles and dynamic weather change visibility, danger, and what you’re willing to risk to overcome Grim’s obstacles.

• Procedurally Generated Perks / Cards / Enemies on Every Run

  Each time you perish, you’re sent back in time to the Chamber of Time. New Perks, Battle Cards, Enemies, and Soulwords appear every run, forcing you to adapt, discover new synergies, and overcome fresh obstacles throughout your journey.

 DO YOU HAVE WHAT IT TAKES TO BECOME THE NEXT GRIM REAPER? The choice is yours.


Fun Fact: Every piece of the game/card Art was designed and hand painted by the developer over 5 years

Content notice: themes of death, grief, mild horror.