Games like Slimeward
Games like Slimeward include Tower Wizard, Cookie Clicker, Prison Architect, Foundation, and Cities: Skylines. We matched them by the tags players give Slimeward on Steam (Side Scroller, Incremental, Strategy, Idler, and Simulation): closest matches first, and among equally close ones the better-known games.

Tower Wizard
Shared: Incremental · Idler · Strategy

Cookie Clicker
Shared: Incremental · Idler · Indie

Prison Architect
Shared: Simulation · Strategy · Building

Foundation
Shared: Strategy · Simulation · City Builder

Cities: Skylines
Shared: Simulation · City Builder · Strategy

Kingdom Two Crowns
Shared: City Builder · Building · Strategy

Manor Lords
Shared: Strategy · Simulation · City Builder

Banished
Shared: Strategy · City Builder · Simulation

Dyson Sphere Program
Shared: Automation · Building · Simulation

Fill Up The Hole
Shared: Incremental · Idler · City Builder

Against the Storm
Shared: Strategy · Simulation · City Builder

Farthest Frontier
Shared: Strategy · City Builder · Building

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

Nodebuster
Shared: Incremental · Strategy · Idler

Hearth and Hamlet
Shared: Incremental · City Builder · Idler

Captain of Industry
Shared: Strategy · Simulation · Automation

Workers & Resources: Soviet Republic
Shared: Strategy · Simulation · City Builder

Tavern Master
Shared: Simulation · Strategy · Building

Factorio
Shared: Strategy · Automation · Base Building

Crusaders Quest : Hero Town
Shared: Idler · Incremental · City Builder

Empires of the Undergrowth
Shared: Strategy · Simulation · City Builder

Frostpunk
Shared: Strategy · City Builder · Building

Dwarf Fortress
Shared: Strategy · Simulation · City Builder

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