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
Northern Lights
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Action and Indie with The Alpha Device.
While the Great Stargazer is deeply sleeping, the Celestial Guardians protect the equilibrium of the forgotten world…
- 2
Kizuyami | 刻闇
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
Kizuyami is an atmospheric psychological horror game. You find yourself in a never-ending Japanese street that you cannot leave no matter where you go. You stumble upon the same house over and over again, which calls for you in inexplicable ways. Will you be able to find your way out?
- 3
Things Too Ugly
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
Clock in at TEREBRO INC. for the night shift in 1986. Protect the company's legacy as Risk Assessment Data Processor. Equipped with era-specific technology, navigate through obscured narratives to shape the company's future.
- 4
![[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.
- 5
![[Chilla's Art] Stigmatized Property | 事故物件 — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1162680/61ca5478f8c016e013357e6445198bf9305da3d1/header.jpg?t=1760423568)
[Chilla's Art] Stigmatized Property | 事故物件
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Action and Indie with The Alpha Device.
Stigmatized Property, 事故物件 (Jiko bukken) is a horror game inspired by haunted apartment rooms in Japan. These properties are known to have cheap rents and you play to find out the exact reason why.
- 6
The Eerie Surroundings
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
Observe your surrounding and be confident there is or is not a anomaly to progress.
- 7
ASTRAL
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Action and Indie with The Alpha Device.
The future came. You'd think that means the apex of the progress and science, but no. After the epidemic spread all over the world in 2022, 95% of the whole population mutated into horrible creatures without any moral values or humanity and started hunting everything that moves. The planet became empty.
- 8
Port of Call
Single-player alternative to The Alpha Device — playable solo, no multiplayer required. Shares Indie and Adventure with The Alpha Device.
Imagine waking up on a small dock with no recollection of who you are or how you got there. The first person you find is a grumpy, old man who enlists you to work on his ferry boat which seems to have materialized behind you.
- 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!