Single-player games like Nightmare House: The Original Mod
Below are 10 single-player Steam games similar to Nightmare House: The Original Mod, 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 Nightmare House: The Original Mod page.
Ranked picks
- 1

Silver Pines
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Action and Indie with Nightmare House: The Original Mod.
Silver Pines is a survival horror metroidvania set in small town America. Fight nightmarish terrors and solve puzzles, while carefully managing your scarce resources as you uncover the mysteries that could hold the key to redemption.
- 2

Resident Evil Requiem
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Action and Adventure with Nightmare House: The Original Mod.
Requiem for the dead. Nightmare for the living. Prepare to escape death in a heart-stopping experience that will chill you to your core.
- 3

The Evil Within 2
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Action and Adventure with Nightmare House: The Original Mod.
Detective Sebastian Castellanos has lost everything, including his daughter, Lily. To save her, he must descend into the nightmarish world of STEM. Horrifying threats emerge from every corner, and he must rely on his wits to survive. For his one chance at redemption, the only way out is in.
- 4

Half-Life 2
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Action with Nightmare House: The Original Mod.
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
- 5

SILENT HILL: Townfall
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Action and Adventure with Nightmare House: The Original Mod.
Returning to an island town to ‘put things right’, Simon Ordell descends into a world of tense evasion, explosive confrontations, and mind-bending puzzles that slowly surface the truth of St. Amelia.
- 6

Visage
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Action and Indie with Nightmare House: The Original Mod.
Visage is a first-person psychological horror game. Explore a mysterious ever-changing house in a slow-paced, atmospheric world that combines both uncannily comforting and horrifyingly realistic environments, and enjoy a genuinely terrifying experience.
- 7

Tormented Souls 2
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Action and Adventure with Nightmare House: The Original Mod.
Caroline Walker returns in the sequel to the award-winning survival horror classic. Explore the decaying remains of the secluded Villa Hess, use improvised weapons to confront terrifying creatures, and bend the fabric of reality to save your sister from a twisted cult.
- 8

Dead Take
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Indie and Adventure with Nightmare House: The Original Mod.
Find your missing friend. Uncover the secrets within. Brave a luxurious and haunting mansion in Dead Take, a first-person psychological horror crafted by Surgent Studios.
- 9

In Sound Mind
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Action and Indie with Nightmare House: The Original Mod.
In Sound Mind is an imaginative first-person psychological horror with frenetic puzzles, unique boss fights, and original music by The Living Tombstone. Journey within the inner workings of the one place you can’t seem to escape—your own mind.
- 10

Days Without Incident
Single-player alternative to Nightmare House: The Original Mod — playable solo, no multiplayer required. Shares Action and Indie with Nightmare House: The Original Mod.
It has been -̷̯͙̔̈́-̴̱̽̓͝-̷̍̊̕͠ days without incident. Your investigation has brought you to an old metalworks factory, abandoned after a series of mysterious deaths. But something’s been growing in the quiet. A short first-person survival horror experience.