Single-player games like On Air! Taxi Detective Casebook
Below are 8 single-player Steam games similar to On Air! Taxi Detective Casebook, 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 On Air! Taxi Detective Casebook page.
Ranked picks
- 1

The Darkside Detective: A Fumble in the Dark
Single-player alternative to On Air! Taxi Detective Casebook — playable solo, no multiplayer required. Shares Indie and Adventure with On Air! Taxi Detective Casebook.
Delouse your room with sage and pack up your travel-sized ouija board, it’s time to re-enter Twin Lakes - America’s 34th most haunted city. Join Detective McQueen as he puzzles his way through 9 chilling cases, risking life and pixelated limb to solve the macabre mysteries that plague the poor town.
- 2

Sarawak
Single-player alternative to On Air! Taxi Detective Casebook — playable solo, no multiplayer required. Shares Indie and Adventure with On Air! Taxi Detective Casebook.
A short literary mystery game set in Oxford and Borneo
- 3

Subsurface Circular
Single-player alternative to On Air! Taxi Detective Casebook — playable solo, no multiplayer required. Shares Indie and Adventure with On Air! Taxi Detective Casebook.
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.
- 4

Quarantine Circular
Single-player alternative to On Air! Taxi Detective Casebook — playable solo, no multiplayer required. Shares Indie and Adventure with On Air! Taxi Detective Casebook.
In the middle of a world-ending pandemic, a group of scientists discover the galaxy has been watching. From the award-winning team behind Thomas Was Alone and Subsurface Circular, Quarantine Circular is the next mutation in text-based adventure.
- 5

Back to the Dawn
Single-player alternative to On Air! Taxi Detective Casebook — playable solo, no multiplayer required. Shares Indie and Adventure with On Air! Taxi Detective Casebook.
Back to the Dawn is a story-rich RPG set in a high-security prison ruled by factions and buried secrets. Investigate two conspiracies from the inside, gather evidence, and outsmart a system designed to silence you. Make friends (or foes) with fellow inmates and with their help, break out of prison.
- 6

Ace Attorney Investigations Collection
Single-player alternative to On Air! Taxi Detective Casebook — playable solo, no multiplayer required. Shares Adventure with On Air! Taxi Detective Casebook.
Miles Edgeworth's dramatic turnabouts take center stage! Experience both Ace Attorney Investigations games in one gorgeous collection! Investigate crime scenes and solve tough, intriguing cases through logic and deduction. When Edgeworth's past and present collide, his future begins!
- 7

No Case Should Remain Unsolved
Single-player alternative to On Air! Taxi Detective Casebook — playable solo, no multiplayer required. Shares Indie and Adventure with On Air! Taxi Detective Casebook.
Twelve years after Senior Inspector Jeon Gyeong's retirement, she is visited by a young police officer: a woman who pleads with her to reexamine Seowon's case. But with each uncovered memory, only one thing becomes clear: everyone in Seowon's vicinity was lying.
- 8

Strange Horticulture
Single-player alternative to On Air! Taxi Detective Casebook — playable solo, no multiplayer required. Shares Indie and Adventure with On Air! Taxi Detective Casebook.
Strange Horticulture is an occult puzzle game in which you play as the proprietor of a local plant store. Find and identify new plants, pet your cat, speak to a coven, or join a cult. Use your collection of powerful plants to influence the story and unravel Undermere’s dark mysteries.