Games like Thick As Thieves
Games like Thick As Thieves include PAYDAY 2, Dishonored 2, Dishonored, Thief Simulator, and One-armed robber. We matched them by the tags players give Thick As Thieves on Steam (Stealth, Immersive Sim, Heist, First-Person, and Action): closest matches first, and among equally close ones the better-known games.

PAYDAY 2
Shared: Heist · Action · Stealth

Dishonored 2
Shared: Stealth · First-Person · Action

Dishonored
Shared: Stealth · First-Person · Action

Thief Simulator
Shared: Stealth · First-Person · Heist

One-armed robber
Shared: Heist · Action · Stealth

DEATHLOOP
Shared: Stealth · Immersive Sim · Action

The Outlast Trials
Shared: Stealth · First-Person · PvE

PAYDAY 3
Shared: Heist · Stealth · Action

Thief Simulator 2
Shared: Stealth · Action · First-Person

Thief
Shared: Stealth · First-Person · Action

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

Dishonored®: Death of the Outsider™
Shared: Stealth · First-Person · Action

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

Thief Gold (1999)
Shared: Stealth · First-Person · Immersive Sim

Burglin' Gnomes
Shared: First-Person · Heist · Action

Gloomwood
Shared: Stealth · Immersive Sim · First-Person

Amnesia: The Bunker
Shared: Immersive Sim · Stealth · First-Person

PAYDAY™ The Heist
Shared: Heist · Action · First-Person

Squad
Shared: PvE · First-Person · PvP

Teardown
Shared: Heist · First-Person · Singleplayer

Sneak Thief
Shared: Stealth · Action · First-Person

Apex Legends™
Shared: First-Person · Action · PvP

Far Cry 3
Shared: Action · Stealth · First-Person

Crime Simulator
Shared: Heist · First-Person · Action