Games like Criminal Expert
Games like Criminal Expert include Her Story, The Operator, Sherlock Holmes: The Devil's Daughter, Unheard - Voices of Crime, and Phoenix Wright: Ace Attorney Trilogy. We matched them by the tags players give Criminal Expert on Steam (Detective, Casual, Investigation, Crime, and FMV): closest matches first, and among equally close ones the better-known games.

Her Story
Shared: Investigation · Detective · FMV

The Operator
Shared: Detective · Investigation · Crime

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

Unheard - Voices of Crime
Shared: Detective · Crime · Thriller

Phoenix Wright: Ace Attorney Trilogy
Shared: Detective · Crime · Visual Novel

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

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

L.A. Noire
Shared: Detective · Crime · Adventure

No Case Should Remain Unsolved
Shared: Investigation · Adventure · Detective

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

Tails Noir
Shared: Detective · Adventure · Investigation

Telling Lies
Shared: Detective · FMV · Thriller

The Case of the Golden Idol
Shared: Detective · Investigation · Point & Click

Contradiction: Spot The Liar
Shared: Detective · Crime · Investigation

The Wolf Among Us
Shared: Detective · Adventure · Casual

Trials of Innocence
Shared: Detective · Crime · Adventure

Duck Detective: The Ghost of Glamping
Shared: Detective · Casual · Investigation

Tangle Tower
Shared: Detective · Point & Click · Puzzle

The Roottrees are Dead
Shared: Detective · Investigation · Point & Click

Desktop Explorer
Shared: Detective · Investigation · Point & Click

SIMULACRA
Shared: Detective · FMV · Point & Click

Strange Horticulture
Shared: Detective · Investigation · Puzzle

Cyber Manhunt
Shared: Detective · Simulation · Crime

Strange Antiquities
Shared: Detective · Investigation · Adventure