Single-player games like Quarantine Circular
Below are 14 single-player Steam games similar to Quarantine Circular, 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 Quarantine Circular page.
Ranked picks
- 1
Subsurface Circular
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
When the truth is buried, go underground. Step into this new take on text-based adventure from the award-winning team behind Thomas Was Alone and Volume. A short story that hands you the fate of the world above, as a detective looking for answers on the Subsurface Circular.
- 2
Expelled!
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
A School Prefect has been pushed out of a window, and everyone's blaming YOU. Can you find the culprit - or someone to take the fall - before you get EXPELLED? Mystery with a wicked twist, from the creators of Overboard!, 80 Days, Heaven's Vault and A Highland Song.
- 3
Between Horizons – A Sci-Fi Detective Adventure
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
Between Horizons is a narrative 2.5D sci-fi detective adventure. 33 years into the Zephyr's journey, its mission is suddenly jeopardized. Can you find the culprit before it's too late? Experience an enthralling story set in a semi-open world that branches and ends based on your choices.
- 4
Lacuna – A Sci-Fi Noir Adventure
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
A murder. A hack. A bombing. All it takes to plunge the solar system into war – unless you do something about it. Help CDI agent Neil Conrad make a string of increasingly difficult decisions in this modern dialog-driven adventure set in a gorgeous 2D sci-fi noir universe.
- 5
Silicon Dreams | cyberpunk interrogation
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
It’s 2065, and you are an interrogator-model android tasked with rooting out deviants among your own kind. You must probe for lies, monitor and exploit emotional spikes, earn the trust of your subjects, and make the final call: release, or destroy?
- 6
Citizen Sleeper 2: Starward Vector
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
A dice-driven RPG, in a human and heartfelt sci-fi world. You are an escaped android, with a malfunctioning body, a price on your head and no memory of your past. Get a ship, find a crew, and take on contracts while you navigate across the Starward Belt.
- 7
TR-49
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Adventure with Quarantine Circular.
A World War II computer. An archive of lost books. A world-changing secret. Narrative deduction meets audio drama, from the creators of Overboard!, Heaven's Vault and A Highland Song.
- 8
I Was a Teenage Exocolonist
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie with Quarantine Circular.
Spend your teenage years on an alien planet in this narrative RPG with card-based battles. Explore, grow up, and fall in love. The choices you make and skills you master over ten years will determine the course of your life and the survival of your colony.
- 9
Thomas Was Alone
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie with Quarantine Circular.
Guide a group of rectangles through 120 levels, using their different skills together to overcome a series of obstacles in each environment. Discover the human-made story of the first sentient artificial intelligences with Danny Wallace’s BAFTA-winning narration.
- 10
The Solitaire Conspiracy
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie with Quarantine Circular.
We need your help, Spymaster. Join a world of near-future spies and take on a supervillain in this supercharged take on classic Solitaire. Precision engineered for replayable espionage action.
- 11
John Wick Hex
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required.
John Wick Hex is a fast-paced, action-oriented strategy game that makes you think and strike like John Wick, the professional hitman of the critically acclaimed film franchise.
- 12
Volume
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie with Quarantine Circular.
Pure stealth action and infinite level creation from the award-winning studio behind Thomas Was Alone. Enter the Volume to halt Gisborne Industries' corruption and train the masses to rob from the rich.
- 13
Tron: Identity
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
Something has been taken. Enter a new Grid and forge alliances via visual novel gameplay, uncovering truths through Identity Disc puzzles. Make critical decisions and plot your own course in a world without a creator.
- 14
TRON: Catalyst
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Adventure with Quarantine Circular.
Dive back into Disney's iconic TRON universe and explore the Arq Grid, a server on the brink of collapse. Meet new and interesting characters, influence warring factions, and unlock intriguing mysteries as you immerse yourself in this thrilling all-new TRON storyline.