Games like Kingdom: Classic
Games like Kingdom: Classic include Oxygen Not Included, Prison Architect, RimWorld, Frostpunk, and Cities: Skylines. We matched them by the tags players give Kingdom: Classic on Steam (Free to Play, Strategy, Singleplayer, Simulation, and Base Building): closest matches first, and among equally close ones the better-known games.
Oxygen Not Included
Shared: Base Building · Singleplayer · Building
Prison Architect
Shared: Simulation · Strategy · Base Building
RimWorld
Shared: Strategy · Base Building · Singleplayer
Frostpunk
Shared: Strategy · Resource Management · Singleplayer
Cities: Skylines
Shared: Simulation · Strategy · Singleplayer
Factorio
Shared: Base Building · Strategy · Resource Management
Manor Lords
Shared: Strategy · Simulation · Base Building
Against the Storm
Shared: Strategy · Simulation · Base Building
Sheltered
Shared: Strategy · Base Building · Pixel Graphics
This War of Mine
Shared: Singleplayer · Strategy · Simulation
Project Highrise
Shared: Strategy · Simulation · Singleplayer
Workers & Resources: Soviet Republic
Shared: Strategy · Simulation · Base Building
Banished
Shared: Strategy · Simulation · Singleplayer
Empires of the Undergrowth
Shared: Strategy · Simulation · Base Building
Cities: Skylines II
Shared: Simulation · Singleplayer · Building
Graveyard Keeper
Shared: Simulation · Pixel Graphics · Singleplayer
Norland
Shared: Strategy · Simulation · Base Building
Jurassic World Evolution
Shared: Simulation · Strategy · Building
Game Dev Tycoon
Shared: Strategy · Simulation · Singleplayer
Dyson Sphere Program
Shared: Base Building · Simulation · Building
The Escapists
Shared: Strategy · Singleplayer · Pixel Graphics
Dwarf Fortress
Shared: Strategy · Simulation · Base Building
Space Haven
Shared: Strategy · Base Building · Simulation
Idle Champions of the Forgotten Realms
Shared: Free to Play · Strategy · Singleplayer