Games like Idle Time
Games like Idle Time include Prison Architect, Anno 1800, Anno 2070™, Cities: Skylines, and Kingdoms and Castles. We matched them by the tags players give Idle Time on Steam (Simulation, Strategy, Idler, RTS, and Sandbox): closest matches first, and among equally close ones the better-known games.

Prison Architect
Shared: Simulation · Sandbox · Strategy

Anno 1800
Shared: Strategy · Simulation · Sandbox

Anno 2070™
Shared: Strategy · Simulation · RTS

Cities: Skylines
Shared: Simulation · Strategy · Sandbox

Kingdoms and Castles
Shared: Simulation · Strategy · Resource Management

Foundation
Shared: Simulation · Strategy · Sandbox

Shelldiver
Shared: Idler · Resource Management · Simulation

Cities: Skylines II
Shared: Simulation · Sandbox · Strategy

Manor Lords
Shared: Strategy · Simulation · Sandbox

Cookie Clicker
Shared: Idler · Pixel Graphics · Casual

Anno 117: Pax Romana
Shared: Strategy · Simulation · RTS

Nodebuster
Shared: Strategy · Simulation · Idler

Planet Coaster
Shared: Simulation · Sandbox · Strategy

Stardew Valley
Shared: Simulation · Pixel Graphics · Relaxing

Factorio
Shared: Strategy · Sandbox · Resource Management

Digseum
Shared: Idler · Simulation · Relaxing

A Game About Feeding A Black Hole
Shared: Strategy · Idler · Relaxing

Banished
Shared: Strategy · Simulation · Sandbox

Game Dev Tycoon
Shared: Simulation · Strategy · 2D

Click and Conquer
Shared: Simulation · Idler · Relaxing

Fortune Mill
Shared: Idler · Simulation · Pixel Graphics

Tower Wizard
Shared: Idler · Strategy · Resource Management

Jurassic World Evolution
Shared: Simulation · Strategy · Sandbox

Anno 2205™
Shared: Strategy · Simulation · Resource Management