Games like Klepto
Games like Klepto include Schedule I, Grand Theft Auto V Legacy, Thief Simulator, Feed and Grow: Fish, and Drug Dealer Simulator. We matched them by the tags players give Klepto on Steam (Early Access, Simulation, Action, Indie, and Crime): closest matches first, and among equally close ones the better-known games.

Schedule I
Shared: Simulation · Crime · Multiplayer

Grand Theft Auto V Legacy
Shared: Action · Crime · Multiplayer

Thief Simulator
Shared: Simulation · Crime · Stealth

Feed and Grow: Fish
Shared: Simulation · Early Access · Action

Drug Dealer Simulator
Shared: Simulation · Action · Crime

Thief Simulator VR
Shared: Simulation · Action · Indie

Sub Rosa
Shared: Action · Early Access · Multiplayer

Arma 3
Shared: Action · Simulation · Multiplayer

Grand Theft Auto V Enhanced
Shared: Action · Open World · Crime

Storm Chasers
Shared: Early Access · Simulation · Action

EmergeNYC
Shared: Early Access · Simulation · Action

Drug Dealer Simulator 2
Shared: Simulation · Multiplayer · Crime

Thief Simulator 2
Shared: Simulation · Action · Crime

Assetto Corsa
Shared: Simulation · Multiplayer · VR

BeamNG.drive
Shared: Simulation · Open World · Multiplayer

Watch_Dogs® 2
Shared: Action · Multiplayer · Open World

Wobbly Life
Shared: Simulation · Multiplayer · Open World

KovaaK's
Shared: Action · Simulation · Indie

Grand Theft Auto IV: The Complete Edition
Shared: Action · Crime · Open World

The Isle
Shared: Simulation · Multiplayer · Open World

PAYDAY 2
Shared: Action · Multiplayer · Crime

Contractors
Shared: Action · Simulation · VR

Elite Dangerous
Shared: Simulation · Open World · Multiplayer

The Break-In
Shared: Simulation · VR · Multiplayer