Games like Sumerians
Games like Sumerians include Manor Lords, Cities: Skylines, Cities: Skylines II, Against the Storm, and Workers & Resources: Soviet Republic. We matched them by the tags players give Sumerians on Steam (Simulation, Strategy, City Builder, Historical, and Base Building): closest matches first, and among equally close ones the better-known games.
Manor Lords
Shared: Strategy · Simulation · City Builder
Cities: Skylines
Shared: Simulation · City Builder · Strategy
Cities: Skylines II
Shared: Simulation · City Builder · Strategy
Against the Storm
Shared: Simulation · Strategy · City Builder
Workers & Resources: Soviet Republic
Shared: Strategy · Simulation · City Builder
Prison Architect
Shared: Simulation · Strategy · Base Building
Ostriv
Shared: Strategy · Simulation · City Builder
Kingdoms and Castles
Shared: City Builder · Simulation · Strategy
Empires of the Undergrowth
Shared: Simulation · Strategy · City Builder
Foundation
Shared: Simulation · City Builder · Strategy
Anno 1800
Shared: Strategy · Simulation · City Builder
Norland
Shared: Simulation · Strategy · City Builder
Farthest Frontier
Shared: Strategy · City Builder · Resource Management
Transport Fever 2
Shared: Simulation · Strategy · City Builder
Jurassic World Evolution
Shared: Simulation · Strategy · Management
Banished
Shared: City Builder · Strategy · Simulation
Jurassic World Evolution 2
Shared: Simulation · Strategy · Management
Planet Zoo
Shared: Simulation · Management · City Builder
Frostpunk
Shared: City Builder · Strategy · Resource Management
Anno 117: Pax Romana
Shared: Strategy · Simulation · City Builder
Planet Coaster
Shared: Simulation · Strategy · Management
Captain of Industry
Shared: Simulation · Strategy · Base Building
Oxygen Not Included
Shared: Base Building · Resource Management · Simulation
Dyson Sphere Program
Shared: Base Building · Simulation · Resource Management