Games like Hearth and Hamlet
Games like Hearth and Hamlet include Cities: Skylines, Cookie Clicker, Cities: Skylines II, Shelldiver, and Manor Lords. We matched them by the tags players give Hearth and Hamlet on Steam (Incremental, City Builder, Base Building, Casual, and Management): closest matches first, and among equally close ones the better-known games.

Cities: Skylines
Shared: City Builder · Management · Simulation

Cookie Clicker
Shared: Incremental · Casual · Idler

Cities: Skylines II
Shared: City Builder · Management · Simulation

Shelldiver
Shared: Incremental · Casual · Management

Manor Lords
Shared: City Builder · Base Building · Management

Prison Architect
Shared: Base Building · City Builder · Simulation

Foundation
Shared: City Builder · Management · Simulation

Kingdoms and Castles
Shared: City Builder · Management · Resource Management

Against the Storm
Shared: City Builder · Base Building · Simulation

Digseum
Shared: Incremental · Casual · Management

Frostpunk
Shared: City Builder · Resource Management · Base Building

(the) Gnorp Apologue
Shared: Incremental · Idler · Management

Workers & Resources: Soviet Republic
Shared: City Builder · Base Building · Simulation

Nodebuster
Shared: Incremental · Casual · Idler

Scritchy Scratchy
Shared: Incremental · Idler · Resource Management

Planet Zoo
Shared: Management · City Builder · Simulation

SimAirport
Shared: City Builder · Casual · Management

Tavern Master
Shared: Management · City Builder · Simulation

Gas Station Simulator
Shared: Management · Casual · Simulation

Empires of the Undergrowth
Shared: Base Building · City Builder · Simulation

Mini Motorways
Shared: Casual · Management · Simulation

Dyson Sphere Program
Shared: Base Building · Resource Management · Management

Ostriv
Shared: City Builder · Management · Base Building

Captain of Industry
Shared: Base Building · Resource Management · City Builder