Single-player games like Observation
Below are 16 single-player Steam games similar to Observation, 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 Observation page.
Ranked picks
- 1
Stories Untold
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
Stories Untold is a compilation tape of four experimental adventures, including a remaster of the original hit episode “The House Abandon”.
- 2
The Turing Test
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Adventure with Observation.
The Turing Test is a challenging first-person puzzle game set on Jupiter’s moon, Europa. You are Ava Turing, an engineer for the International Space Agency (ISA) sent to discover the cause behind the disappearance of the ground crew stationed there.
- 3
Moons of Madness
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Adventure with Observation.
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
- 4
SIGNALIS
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
A classic survival horror experience set in a dystopian future where humanity has uncovered a dark secret. Unravel a cosmic mystery, escape terrifying creatures, and scavenge an off-world government facility as Elster, a technician Replika searching for her lost dreams.
- 5
SOMA
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
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.
- 6
The Station
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
The Station is a first-person sci-fi mystery set on a space station sent to study a sentient alien civilization. Assuming the role of a recon specialist, players must unravel a mystery which will decide the fate of two civilizations.
- 7
Tacoma
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
Tacoma is a sci-fi narrative adventure from the creators of Gone Home. Set aboard a high-tech space station in the year 2088, explore every detail of how the station’s crew lived and worked, finding the clues that add up to a gripping story of trust, fear, and resolve in the face of disaster.
- 8
Oxenfree
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
Oxenfree is a supernatural thriller about a group of friends who unwittingly open a ghostly rift. You are Alex, and you’ve just brought your new stepbrother Jonas to an overnight island party gone horribly wrong.
- 9
Alien: Isolation
Single-player alternative to Observation — playable solo, no multiplayer required.
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
- 10
Prey
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Adventure with Observation.
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
- 11
Return of the Obra Dinn
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
Lost at sea 1803 ~ The good ship Obra Dinn.
- 12
Deliver Us The Moon
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
The Moon has gone dark, cutting off Earth’s last source of energy. As a lone astronaut, you’ll explore abandoned lunar bases, solve intricate puzzles, and navigate stunning zero-gravity environments. Operate advanced vehicles, uncover hidden truths, and survive in this gripping sci-fi thriller.
- 13
Silver Bullet: Prometheus
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
Infiltrate the military research lab consipiring with the devil and hunt down the demons! Kali, the legendary "Goddess of Death" in the South America Rovolution. She joined Neverlight, the counter-demon organization, after some kind of incident.
- 14
Camp Sunshine
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie and Adventure with Observation.
Camp Sunshine is a 16-bit blood-soaked Horror RPG that pits you as Jez, who is dropped off at Summer Camp. He awakes in the middle of the night to discover blood everywhere, a rampaging killer on the loose dressed in a mascot costume and himself involved in a deadly game of cat and mouse!
- 15
Alone in the Dark
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Adventure with Observation.
Return to Derceto Manor in this reimagination of Alone in the Dark, a love letter to the 90’s cult classic horror game.
- 16
Sunshine Heavy Industries
Single-player alternative to Observation — playable solo, no multiplayer required. Shares Indie with Observation.
Welcome to Sunshine Heavy Industries! As the new spaceship engineer, solve increasingly tricky design puzzles with your own personal style. Manage customer demands, juggle budget and ship performance, and survive the questionable decision making skills of your business partner.