Single-player games like Penumbra: Requiem
Below are 14 single-player Steam games similar to Penumbra: Requiem, 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 Penumbra: Requiem page.
Ranked picks
- 1

Penumbra: Black Plague Gold Edition
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
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.
- 2

Penumbra Overture
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
Penumbra: Overture is a first person survival horror game, emphasizing on survival and problem solving instead of mindless violence and gore.
- 3

Amnesia: Rebirth
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
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

SOMA
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
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.
- 5

Transient: Extended Edition
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
H.P. Lovecraft meets Cyberpunk. Delve deep into a dystopian world and investigate what is happening to you and your friends in a domed city. Solve puzzles, hack systems and plug in to explore other dimensions. Discover a truth that might tear apart your sanity and question your very existence.
- 6

GET EVEN
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie with Penumbra: Requiem.
Take a deep breath... Try to remember: a girl, a chair, a bomb. Just keep... calm. Follow the voice into the depths of you memory. Relax... and search for the darkest memories in the deepest recesses of your mind. Can you find her? The clock is ticking... And this is just a part of the treatment.
- 7

Pathologic 3
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
In this psychological horror game, you are a doctor with only 12 days to save a town from a mysterious plague. Make ruthless decisions and diagnose with precision. Shape the town's future and rewrite the past. Hold yourself together while it all falls apart.
- 8

Closure
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie with Penumbra: Requiem.
In the dark and mysterious world of Closure, only what you see exists. Manipulate lights to phase objects in and out of reality in this multiple-award-winning puzzle game. Play as a strange spider-like demon who explores the stories of three human characters through beautiful, eerie environments such as a decrepit factory, a murky...
- 9

Portal 2
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Adventure with Penumbra: Requiem.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 10

Amnesia: The Dark Descent
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
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.
- 11

The Stanley Parable
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
The Stanley Parable is a first person exploration game. You will play as Stanley, and you will not play as Stanley. You will follow a story, you will not follow a story. You will have a choice, you will have no choice. The game will end, the game will never end.
- 12

Amnesia: A Machine for Pigs
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
From the creators of Amnesia: The Dark Descent and Dear Esther comes a new first-person horrorgame that will drag you to the depths of greed, power and madness. It will bury its snout into your ribs and it will eat your heart.
- 13

The Talos Principle
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).
- 14

Amnesia: The Bunker
Single-player alternative to Penumbra: Requiem — playable solo, no multiplayer required. Shares Indie and Adventure with Penumbra: Requiem.
Amnesia: The Bunker is a first-person horror game set in a WW1 bunker. A relentless, AI-driven monster stalks you. Survival depends on finding tools, crafting items, and keeping the lights on.