Games like The Posthumous Investigation
Games like The Posthumous Investigation include The Wolf Among Us, Disco Elysium - The Final Cut, Sherlock Holmes: The Devil's Daughter, Sherlock Holmes: Crimes and Punishments, and L.A. Noire. We matched them by the tags players give The Posthumous Investigation on Steam (Time Manipulation, Detective, Choices Matter, Adventure, and Story Rich): closest matches first, and among equally close ones the better-known games.

The Wolf Among Us
Shared: Detective · Adventure · Story Rich

Disco Elysium - The Final Cut
Shared: Choices Matter · Detective · Story Rich

Sherlock Holmes: The Devil's Daughter
Shared: Detective · Adventure · Story Rich

Sherlock Holmes: Crimes and Punishments
Shared: Detective · Adventure · Story Rich

L.A. Noire
Shared: Detective · Adventure · Story Rich

Return of the Obra Dinn
Shared: Detective · Story Rich · Mystery

Phoenix Wright: Ace Attorney Trilogy
Shared: Detective · Story Rich · Mystery

Tangle Tower
Shared: Detective · Story Rich · Point & Click

Strange Horticulture
Shared: Detective · Mystery · Atmospheric

Blacksad: Under the Skin
Shared: Detective · Choices Matter · Story Rich

Zero Escape: The Nonary Games
Shared: Story Rich · Choices Matter · Multiple Endings

Murdered: Soul Suspect
Shared: Detective · Adventure · Mystery

Detroit: Become Human
Shared: Choices Matter · Story Rich · Multiple Endings

OneShot
Shared: Story Rich · Choices Matter · Atmospheric

The Mermaid Mask
Shared: Detective · Adventure · Point & Click

AI: The Somnium Files
Shared: Detective · Story Rich · Adventure

Murders on the Yangtze River
Shared: Detective · Adventure · Story Rich

Heavy Rain
Shared: Choices Matter · Detective · Story Rich

The Roottrees are Dead
Shared: Detective · Story Rich · Mystery

Back to the Dawn
Shared: Choices Matter · Detective · Story Rich

Sherlock Holmes Chapter One
Shared: Detective · Choices Matter · Story Rich

The Witcher 3: Wild Hunt — Remastered
Shared: Story Rich · Adventure · Atmospheric

Raging Loop
Shared: Adventure · Detective · Story Rich

The Séance of Blake Manor
Shared: Detective · Adventure · Story Rich