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

The Wolf Among Us Remastered
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Adventure and Casual with Quarantine Circular.
A dark detective thriller where folklore is real, violence is chilling, and every choice has consequences.
- 3

Death Becomes You - Mystery Visual Novel
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
Who killed your best friend?! Find out the truth before 4 suspects frame you instead! Death Becomes You is a mystery visual novel where you untangle the dark secrets and relationships between your fellow magic university students.
- 4

Kamiya Detective Agency: High School Girl Vanished in The Summer
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
A mystery set in Fukuoka, Japan. Former cop Kengo Kamiya and assistant Hikaru tackle a high school girl's disappearance. A "Photoreal Novel" fully utilizing actual photos and AI. Enjoy snappy banter and unexpected twists in this simple, choice-driven mystery visual novel.
- 5

Morth
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
A darkness has fallen over the village of Drakehorn. People have gone missing in the night and have been seen walking into the woods and never returning. Find out what's causing these disappearances before time runs out.
- 6

The Divine Deception
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie with Quarantine Circular.
The Divine Deception awaits you in Panthea. Will you be able to find the truth? Deduce, brainstorm, fight, and hack your ways through obstacles. But remember: Panthea's story is a game to be bet on. Nothing more.
- 7

Alien History
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Adventure with Quarantine Circular.
A knowledge discovery game inspired by ancient astronaut theories. Travel across nine world regions, consult expert informants, and piece together evidence of non-human intelligence hidden in ancient civilizations. Every discovery brings you closer to the truth.
- 8

Sarawak
Single-player alternative to Quarantine Circular — playable solo, no multiplayer required. Shares Indie and Adventure with Quarantine Circular.
A short literary mystery game set in Oxford and Borneo
- 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.