Best Games Like Thief Simulator

Ratty Catty is a Multiplayer / CO-OP hide & seek game, the game is about the adventures of domestic cat Catty and hazel mouse Ratty who eats the foods in the house, feeds its babies and lives in a little rat nest.

The Earthlings have joined the interstellar club. The galaxy will never be the same. The year is 2086 and Earth has detected an alien distress call originating from the surface of Triton.

Bad North is a minimalistic real-time tactics roguelite game that combines a charming aesthetic and simple, accessible controls with a surprisingly deep combat simulation.

Ancient Cities is a Survival and Strategy City Builder PC game through the ages, strongly focused on history and realism. Currently being developed by Uncasual Games.