Single-player games like Ergastulum: Dungeon Nightmares III
Below are 8 single-player Steam games similar to Ergastulum: Dungeon Nightmares III, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Ergastulum: Dungeon Nightmares III page.
Ranked picks
- 1
Dungeon Nightmares II : The Memory
Single-player alternative to Ergastulum: Dungeon Nightmares III — playable solo, no multiplayer required. Shares Action and Indie with Ergastulum: Dungeon Nightmares III.
Dungeon Nightmares II is a first-person psychological horror that takes you through a journey of discovering what nightmares are.The game is inspired by classic roguelike games which include 100% procedural-generated maps and permadeath.
- 2
Monstrum
Single-player alternative to Ergastulum: Dungeon Nightmares III — playable solo, no multiplayer required. Shares Indie with Ergastulum: Dungeon Nightmares III.
Monstrum takes the traditional survival horror formula and remixes it completely with procedurally generated levels, permadeath, and AI driven predators, ensuring that nowhere on its derelict cargo ship is ever truly safe.
- 3
Eldritch
Single-player alternative to Ergastulum: Dungeon Nightmares III — playable solo, no multiplayer required. Shares Action and Indie with Ergastulum: Dungeon Nightmares III.
Eldritch is the original imsim roguelike: a first-person action game inspired by roguelikes, immersive sims, and H. P. Lovecraft.
- 4
Ziggurat
Single-player alternative to Ergastulum: Dungeon Nightmares III — playable solo, no multiplayer required. Shares Action and Indie with Ergastulum: Dungeon Nightmares III.
Dungeon-Crawling First Person Shooting at its finest! Fast-paced combat! Dozens of perks, spells and enemies! Level ups! Random Dungeons! Traps! Badass bosses! Carrots!
- 5
BELOW
Single-player alternative to Ergastulum: Dungeon Nightmares III — playable solo, no multiplayer required. Shares Action and Indie with Ergastulum: Dungeon Nightmares III.
BELOW is a solitary journey through the haunted depths of a forbidden isle. Explore. Survive. Discover.
- 6
Amnesia: The Dark Descent
Single-player alternative to Ergastulum: Dungeon Nightmares III — playable solo, no multiplayer required. Shares Action and Indie with Ergastulum: Dungeon Nightmares III.
Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.
- 7
Legend of Dungeon
Single-player alternative to Ergastulum: Dungeon Nightmares III — playable solo, no multiplayer required. Shares Action and Indie with Ergastulum: Dungeon Nightmares III.
Legend of Dungeon is a randomly generated action RPG Beat'em'up with heavy Rogue-like elements, striking visuals, and dynamic music.
- 8
Heavy Bullets
Single-player alternative to Ergastulum: Dungeon Nightmares III — playable solo, no multiplayer required. Shares Action and Indie with Ergastulum: Dungeon Nightmares III.
Heavy Bullets is a randomized FPS dungeon crawler where players make their way through a colorful maze, while protecting themselves from aggressive creatures and malfunctioning security devices. The goal lies at the end of the 8th level, where they must reset the security mainframe to restore order and reap the rewards.