Single-player games like Nightmare Simulator
Below are 14 single-player Steam games similar to Nightmare Simulator, 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 Simulator page.
Ranked picks
- 1
Mount Hill
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
A terrible accident at a nuclear test site has led to a radioactive cloud engulfing the suburbs. Mount Hill citizens got stuck at ground zero of the infection zone, and were forced into quarantine.
- 2
Hellblade: Senua's Sacrifice
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
From the makers of Heavenly Sword, Enslaved: Odyssey to the West, and DmC: Devil May Cry, comes a warrior’s brutal journey into myth and madness. Set in the Viking age, a broken Celtic warrior embarks on a haunting vision quest into Viking Hell to fight for the soul of her dead lover.
- 3
CARRION
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
CARRION is a reverse horror game in which you assume the role of an amorphous creature of unknown origins, stalking and consuming those that imprisoned you.
- 4
Visage
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
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.
- 5
The Beast Inside
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment.
- 6
>observer_
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
The original first‑person cyberpunk horror detective tale set in a decaying, neon‑scarred future. As an Observer who invades minds to hunt for clues, you will sift through corrupted memories to track down a mysterious killer and confront your own dark past.
- 7
Hellblade: Senua's Sacrifice VR Edition
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
The VR Edition of the critically acclaimed BAFTA award-winning Hellblade: Senua's Sacrifice. From the makers of Heavenly Sword, Enslaved: Odyssey to the West, and DmC: Devil May Cry, comes a warrior’s brutal journey into myth and madness.
- 8
Jupiter Hell
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
True Roguelike. Turn-based shooter. Permadeath. Tribute to the sci-fi classics of the Golden VHS era. Successor to DRL. Just you and your gun against hordes of horrors and monstrosities. Give them hell to the rhythm of heavy metal.
- 9
Psychiatrist Simulator
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
Have you ever wanted to be a psychiatrist? Now you can! Be a shrink for 14 days. Meet 14 patients with unique story of their lives. Diagnosis, treatment, chosen dialogues have impact on history of patients. The choice is yours.
- 10
Crazy Mosquito Simulator
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required. Shares Indie with Nightmare Simulator.
Have you ever been driven mad by a mosquito? Trade places with him and make human go crazy. Use your annoying bzzz sound, make pranks on him, destroy his items, make his life a living hell.
- 11
Slav Junkie Simulator
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required.
You live in a small soviet slav eastern european cyberpunk city. You have severe heroin addiction that you need to sustain. Heroin is very expensive and earnings in a rural city are very small, barely enough for survival. Survive one week.
- 12
Psychiatrist Simulator 2
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required.
Take role as Dr. Smith, psychotherapist. Game consists of real people video recordings. Talk with them, treat, learn about psychology. Your choices have consequences, at the end you will see what happened in their life after meeting with you.
- 13
Musician Simulator
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required.
Make your career as a musician. Start as a street singer, become DJ in local pub, organize concert at a local hall, play at a largest music festival in your country. Create your own live music using musical instruments. Sing using real microphone in karaoke mode. Become a worldwide known musician.
- 14
School Teacher Simulator
Single-player alternative to Nightmare Simulator — playable solo, no multiplayer required.
Become a teacher in a local school. Teach kids, but make sure that your students stay focused during the lesson and react if they misbehave. Each day has unique events. Living school environment with each teacher and student having their own personality.