Games like Profession investigator
Games like Profession investigator include Murders on the Yangtze River, No Case Should Remain Unsolved, The Operator, Cyber Manhunt, and Return of the Obra Dinn. We matched them by the tags players give Profession investigator on Steam (Adventure, Simulation, Detective, Puzzle, and Interactive Fiction): closest matches first, and among equally close ones the better-known games.

Murders on the Yangtze River
Shared: Adventure · Detective · Puzzle

No Case Should Remain Unsolved
Shared: Puzzle · Interactive Fiction · Adventure

The Operator
Shared: Detective · Puzzle · Simulation

Cyber Manhunt
Shared: Simulation · Puzzle · Detective

Return of the Obra Dinn
Shared: Detective · Puzzle · Adventure

The Roottrees are Dead
Shared: Detective · Puzzle · Adventure

Desktop Explorer
Shared: Puzzle · Detective · Simulation

Killer Frequency
Shared: Adventure · Puzzle · Simulation

Chants of Sennaar
Shared: Adventure · Puzzle · Detective

Strange Horticulture
Shared: Puzzle · Detective · Simulation

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

There Is No Game: Wrong Dimension
Shared: Adventure · Puzzle · Indie

The Mermaid Mask
Shared: Adventure · Detective · Puzzle

Her Story
Shared: Detective · Interactive Fiction · Puzzle

Confidential Killings - A Detective Game
Shared: Adventure · Detective · Puzzle

Sherlock Holmes: Crimes and Punishments
Shared: Adventure · Detective · Puzzle

Unheard - Voices of Crime
Shared: Detective · Puzzle · Simulation

Orwell: Keeping an Eye On You
Shared: Simulation · Detective · Story Rich

Demons' Timeline
Shared: Adventure · Detective · Text-Based

The Case of the Golden Idol
Shared: Detective · Puzzle · Interactive Fiction

Lost Wiki: Kozlovka
Shared: Detective · Puzzle · Interactive Fiction

The White Door
Shared: Adventure · Puzzle · Detective

노베나 디아볼로스
Shared: Simulation · Adventure · Detective

Duck Detective: The Secret Salami
Shared: Detective · Adventure · Investigation