Single-player games like Underfang
Below are 8 single-player Steam games similar to Underfang, 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 Underfang page.
Ranked picks
- 1

Room 337
Single-player alternative to Underfang — playable solo, no multiplayer required. Shares Indie and Adventure with Underfang.
You are a father. You wake in a hallway that hums. Empty pools. Dead malls. Your four daughters are here. Voice acted by a real father and his daughters. Two endings. No right answer.
- 2

Heart of the Forest
Single-player alternative to Underfang — playable solo, no multiplayer required. Shares Indie and Adventure with Underfang.
An ill-fated hiking trip spirals into a chilling fight for survival in this interactive psychological horror movie, inspired by centuries-old tales of vengeful spirits from Germany’s Black Forest.
- 3

ROUTINE
Single-player alternative to Underfang — playable solo, no multiplayer required. Shares Indie and Adventure with Underfang.
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.
- 4

Mucorales
Single-player alternative to Underfang — playable solo, no multiplayer required. Shares Indie and Adventure with Underfang.
An enthralling RPG Maker horror game that explores a dark and twisted rendition of the classic fairy tale, Red Riding Hood.
- 5

You Will Die Here Tonight
Single-player alternative to Underfang — playable solo, no multiplayer required. Shares Indie and Adventure with Underfang.
Immerse yourself in retro top-down visuals as you face the horrors of Breckenridge Hall through intense first-person combat. Scavenge, solve puzzles, and upgrade your gear. Do whatever it takes to survive—but remember: You Will Die Here Tonight.
- 6

Dead Space
Single-player alternative to Underfang — playable solo, no multiplayer required. Shares Adventure with Underfang.
The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.
- 7

Death Park 2
Single-player alternative to Underfang — playable solo, no multiplayer required. Shares Indie and Adventure with Underfang.
Shoot terrifying monsters and a killer clown in a haunted city full of nightmares. Explore 8 locations, solve puzzles, switch between dream and reality, and make choices that shape your escape. Death Park 2 is a horror FPS with multiple endings and a boss fight.
- 8

SOMA
Single-player alternative to Underfang — playable solo, no multiplayer required. Shares Indie and Adventure with Underfang.
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.