Games like Shadows of Doubt
Games like Shadows of Doubt include Batman™: Arkham Knight, The Precinct, Cyberpunk 2077, Kenshi, and Deus Ex: Mankind Divided. We matched them by the tags players give Shadows of Doubt on Steam (Detective, Immersive Sim, Sandbox, Noir, and Voxel): closest matches first, and among equally close ones the better-known games.

Batman™: Arkham Knight
Shared: Detective · Open World · Stealth

The Precinct
Shared: Detective · Sandbox · Noir

Cyberpunk 2077
Shared: Open World · Cyberpunk · Singleplayer

Kenshi
Shared: Sandbox · Immersive Sim · Open World

Deus Ex: Mankind Divided
Shared: Stealth · Immersive Sim · Cyberpunk

Trove
Shared: Sandbox · Voxel · Procedural Generation

Fallout 4
Shared: Open World · Singleplayer · First-Person

Thief Simulator
Shared: Stealth · Singleplayer · First-Person

L.A. Noire
Shared: Detective · Noir · Open World

Grand Theft Auto V Legacy
Shared: Open World · First-Person · Action

No Man's Sky
Shared: Open World · Sandbox · Procedural Generation

Far Cry 3
Shared: Open World · Stealth · First-Person

HITMAN World of Assassination
Shared: Stealth · Sandbox · Singleplayer

Mount & Blade II: Bannerlord
Shared: Sandbox · Open World · Singleplayer

Mount & Blade: Warband
Shared: Sandbox · Open World · RPG

Dishonored
Shared: Stealth · First-Person · Singleplayer

Far Cry® 2
Shared: Open World · Sandbox · First-Person

Fallout: New Vegas
Shared: Open World · Singleplayer · First-Person

Teardown
Shared: Sandbox · Voxel · Singleplayer

Dishonored 2
Shared: Stealth · First-Person · Singleplayer

Murdered: Soul Suspect
Shared: Detective · Singleplayer · Noir

Middle-earth™: Shadow of Mordor™
Shared: Open World · Stealth · Singleplayer

Batman™: Arkham Origins
Shared: Open World · Stealth · Detective

Deus Ex: Game of the Year Edition
Shared: Immersive Sim · Stealth · Cyberpunk