Single-player games like The Posthumous Investigation
Below are 14 single-player Steam games similar to The Posthumous Investigation, 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 Posthumous Investigation page.
Ranked picks
- 1
Chicken Police: Into the HIVE!
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Adventure and Casual with The Posthumous Investigation.
A wild tale of conspiracy, loss, friendship, and... chickens?! Two rooster detectives are about to venture into the insect underworld to uncover a worldwide conspiracy, while also battling their inherent demons in this animal noir adventure satire.
- 2
The Wolf Among Us Remastered
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Adventure and Casual with The Posthumous Investigation.
A dark detective thriller where folklore is real, violence is chilling, and every choice has consequences.
- 3
Subsurface Circular
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
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
Tangle Tower
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
Unravel a thrilling mystery by exploring a strange and twisted mansion, discovering curious clues, interrogating peculiar suspects and solving unique puzzles. Will you be able to uncover the secrets of Tangle Tower?
- 5
Mind Diver
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
Investigate a broken mind to unravel a twisted case. Deduce the truth. Restore lost memories. Listen to private conversations. Draw your own conclusions. Mind Diver is a murder mystery, where the victim is love.
- 6
Trials of Innocence
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
Trials of Innocence is an indie courtroom detective game. Step into the shoes of the main character, rookie lawyer Luna Ray, and navigate her journey through the legal world. Unravel a shocking conspiracy that changes the fate of many, including herself, and confront her inner choices.
- 7
Chicken Police - Paint it RED!
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
A wild tale of love, death, chickens, and redemption! Chicken Police is a buddy-cop noir adventure with a carefully crafted world, a gritty story, and absurd humor. The game mixes classic adventure games with visual novel-style storytelling, presented in a beak-droppingly unique art style.
- 8
Blake: The Visual Novel
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Casual with The Posthumous Investigation.
Graphic Novel meets Visual Novel in this story-rich, choice-driven thriller. Experience Blake’s journey as he encounters a clandestine nemesis, sparking a series of events that force him to choose between losing his sanity or rising to the challenge. Make the right decisions and save New Stone.
- 9
The Sexy Brutale
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
The Sexy Brutale — a never-ending masked ball featuring intrigue, murder and the (quite possibly) occult! Relive the same mysterious day where the guests at the casino mansion are being murdered by the staff over and over again...
- 10
Outer Wilds
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Adventure with The Posthumous Investigation.
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
- 11
Mind
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie with The Posthumous Investigation.
We fuse transforming Mecha and Roguelite gameplay elements and combine game mechanics, such as weight, armor pieces, heat, and power for you to forge a unique weapon of war to fuel your killing spree!💀💀💀
- 12
Detective Grimoire
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
Detective Grimoire has been called to investigate a murder. The owner of a small tourist attraction, seemingly killed by the mythical creature his attraction is based around... Explore the area, inspect the crime scene, grill suspects, solve puzzles, hunt for clues & uncover the secret of the swamp!
- 13
Detective Bot
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
Detective Bot is a silly physics based detective game which you can play on your own or in co-op with up to 4 players. Solve quirky mysteries by investigating crime scenes, talking to weird characters and piecing together clues. Can you make Detective Bot the greatest detective who has ever lived?
- 14
Slash Quest
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Adventure with The Posthumous Investigation.
Slash Quest is a quirky action adventure with unconventional controls and unlikely heroes. Spin a magic talking sword through exotic lands, fight nasty creatures, overcome puzzles and make friends on your way to reunite it with its rightful wielder, the Queen.