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

BLACKMIND: Psychic Social Simulator
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
Use your psychic powers to read minds and catch an elusive serial killer!
- 4

Last Night Last Call
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Indie and Adventure with The Posthumous Investigation.
Can you solve a murder with only your wits, cocktail shaker, and silver tongue? Last Night Last Call is a narrative detective game where you mix cocktails, interrogate suspects, gather clues, and shape relationships to solve five murders. Every customer has something to hide.
- 5

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.
- 6

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?
- 7

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.
- 8

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.
- 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 VR
Single-player alternative to The Posthumous Investigation — playable solo, no multiplayer required. Shares Adventure with The Posthumous Investigation.
Step into a thrilling narrative investigation in Virtual Reality! In DETECTIVE VR, you control time, collect crucial clues, and interview witnesses to unravel the plot.
- 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.