Games like Spa World
Games like Spa World include Planet Coaster, Cities: Skylines, Cities: Skylines II, Two Point Museum, and Two Point Hospital. We matched them by the tags players give Spa World on Steam (Shop Keeper, Strategy, Sandbox, Building, and Economy): closest matches first, and among equally close ones the better-known games.

Planet Coaster
Shared: Building · Sandbox · Simulation

Cities: Skylines
Shared: Building · Strategy · Sandbox

Cities: Skylines II
Shared: Sandbox · Building · Simulation

Two Point Museum
Shared: Strategy · Building · Casual

Two Point Hospital
Shared: Building · Simulation · Strategy

Two Point Campus
Shared: Strategy · Building · Simulation

Jurassic World Evolution
Shared: Building · Strategy · Sandbox

Startup Company
Shared: Strategy · Economy · Simulation

Prison Architect
Shared: Sandbox · Building · Strategy

Game Dev Tycoon
Shared: Strategy · Simulation · Management

Planet Zoo
Shared: Building · Sandbox · Management

Jurassic World Evolution 2
Shared: Building · Sandbox · Strategy

Transport Fever 2
Shared: Strategy · Simulation · Sandbox

Planet Coaster 2
Shared: Strategy · Sandbox · Building

Tropico 6
Shared: Strategy · Economy · Sandbox

Tavern Keeper 🍻
Shared: Building · Strategy · Simulation

House Flipper
Shared: Simulation · Building · Sandbox

RollerCoaster Tycoon®: Deluxe
Shared: Sandbox · Strategy · Simulation

Let's School
Shared: Strategy · Sandbox · Management

RollerCoaster Tycoon® 2: Triple Thrill Pack
Shared: Sandbox · Strategy · Simulation

Garry's Mod
Shared: Sandbox · Building · Casual

Foundation
Shared: Strategy · Sandbox · Simulation

Planet Zoo 2
Shared: Strategy · Sandbox · Simulation

Manor Lords
Shared: Strategy · Simulation · Building