Single-player games like Office No.41: Prototype Edition
Below are 8 single-player Steam games similar to Office No.41: Prototype Edition, 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 Office No.41: Prototype Edition page.
Ranked picks
- 1
SANRI
Single-player alternative to Office No.41: Prototype Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Office No.41: Prototype Edition.
SANRI is a first-person psychological horror game where you play a schizophrenic character whose wife disappeared during camp. Face the delusions, solve the mystery and try to find her despite your constantly distorted perception of time-space.
- 2
Penumbra: Black Plague Gold Edition
Single-player alternative to Office No.41: Prototype Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Office No.41: Prototype Edition.
Surrounded by enemies and assaulted by terror from all sides, Philip must collect clues and solve vexing puzzles while combating the gnawing psychological terrors that assail his mind and threaten to strip him of his sanity.
- 3
Amnesia: Rebirth
Single-player alternative to Office No.41: Prototype Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Office No.41: Prototype Edition.
A first-person horror adventure. Uncover your past and survive the Algerian desert. Fear is your enemy; stay calm to not succumb to an illness threatening you and your loved one. Avoid darkness, hide from monsters and solve puzzles. Adventure Mode available for a less scary experience.
- 4
Greyhill Incident
Single-player alternative to Office No.41: Prototype Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Office No.41: Prototype Edition.
This story-driven Survival-Horror game is about a classic Alien-Invasion which takes place during the early 90s. As Ryan Baker, equipped with a baseball bat and a few bullets in his revolver, the story takes you across the atmospheric neighborhood of Greyhill which is invaded by UFOs & Grey Aliens.
- 5
ROUTINE
Single-player alternative to Office No.41: Prototype Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Office No.41: Prototype Edition.
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.
- 6
SUFFOCATE
Single-player alternative to Office No.41: Prototype Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Office No.41: Prototype Edition.
《SUFFOCATE》is a realistic 3D first-person survival horror game. The plot revolves around family relationships, cult, and the greed that permeates human nature. The game doesn't shy away from violence, gore, and faith in this one-of-a-kind survival horror experience, Taiwanese style.
- 7
Those Who Remain
Single-player alternative to Office No.41: Prototype Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Office No.41: Prototype Edition.
As the lights go out, the embers of darkness are stoked in the sleepy town of Dormont. Confront uncomfortable horrors, keep your sanity in check and survive the night in this story-driven first-person psychological-thriller.
- 8
Outlast
Single-player alternative to Office No.41: Prototype Edition — playable solo, no multiplayer required. Shares Indie and Adventure with Office No.41: Prototype Edition.
Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.