Single-player games like The Alpha Device
Below are 13 single-player Steam games similar to The Alpha Device, 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 The Alpha Device page.
Ranked picks
- 1

The Station
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
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.
- 2

The Old City: Leviathan
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
The Old City: Leviathan is an experiment in first person exploration that focuses entirely on story. All that exists is you and the world. Set in a decaying city from a civilization long past, The Old City: Leviathan puts the player in the shoes of a sewer dwelling isolationist.
- 3

Titan Station
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
Far into the future, in the year 1999: David, a systems operator, runs from his troubles by taking a job on a space station. After arriving, his mundane work turns into a struggle for his very life as he makes a shocking discovery.
- 4

DISTRAINT: Deluxe Edition
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
DISTRAINT is a 2D psychological horror adventure game for PC. In order to secure a partnership in a famous company, Price seizes the property of an elderly woman. In that very moment, he finds out the price of his humanity.
- 5
![[Chilla's Art] The Convenience Store | 夜勤事件 — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1228520/header.jpg?t=1662351577)
[Chilla's Art] The Convenience Store | 夜勤事件
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Action and Indie with The Alpha Device.
The Convenience Store | 夜勤事件 is a J-horror game about a college girl on a night shift.
- 6

The Beginner's Guide
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
The Beginner's Guide is a narrative video game from Davey Wreden, the creator of The Stanley Parable. It lasts about an hour and a half and has no traditional mechanics, no goals or objectives. Instead, it tells the story of a person struggling to deal with something they do not understand.
- 7

Moons of Madness
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Adventure with The Alpha Device.
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
- 8

Homesick
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
Explore an abandoned building, encountering puzzles and clues to discover what happened, as you try to escape in both your nightmares and the waking world. Be immersed in the hauntingly beautiful 3D atmosphere in this puzzle exploration mystery game.
- 9

Blast Em!
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Action and Indie with The Alpha Device.
Protect the universe from the evil Alien robots terror-bent on eliminating the Earth and all of Humanity! Take control of the ship and blast the hell out of anything that moves and if it doesn’t move – blast it anyway to be sure.
- 10

Containment Protocol
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Action and Indie with The Alpha Device.
A top-secret military research facility has gone dark. Their last communication only had two words in it: “Containment Protocol” Your task is to infiltrate the facility using a prototype remote control drone and work out what has happened to the facility and more importantly - what has happened to the weapon.
- 11

Caretaker Retribution
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Action and Indie with The Alpha Device.
The stars are going out. A team is sent to find out why. They discover the cause and try to stop it. They don’t make it out alive. Caretaker Retribution is a 6DOF shooter for PC and Mac that also works on HTC Vive and Oculus Rift.
- 12

Caretaker Sacrifice
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Action and Indie with The Alpha Device.
An epic sci-fi 6DOF adventure, puzzle and shooter featuring the voice of David Hewlett (Stargate). At the end of time, struggle through a hostile alien machine to solve the ultimate mystery and fulfil your final mission.
- 13

Promethium
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Action and Indie with The Alpha Device.
Inspired by classic Commodore 64 and arcade games, Promethium is a hard-as-nails retro inspired side-scrolling shoot-em-up that takes place over numerous levels that get harder and harder. If you’re after a nice calm casual game this isn’t it!