Games like Theurgy Architect
Games like Theurgy Architect include Cities: Skylines, Prison Architect, SimCity™ 4 Deluxe Edition, Two Point Museum, and Factorio. We matched them by the tags players give Theurgy Architect on Steam (Simulation, Casual, City Builder, God Game, and Base Building): closest matches first, and among equally close ones the better-known games.

Cities: Skylines
Shared: Simulation · City Builder · Building

Prison Architect
Shared: Simulation · Building · Base Building

SimCity™ 4 Deluxe Edition
Shared: City Builder · Base Building · Building

Two Point Museum
Shared: Simulation · Casual · City Builder

Factorio
Shared: Base Building · Sandbox · Automation

Manor Lords
Shared: Simulation · City Builder · Base Building

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

Dyson Sphere Program
Shared: Base Building · Simulation · Building

SPORE™
Shared: God Game · Simulation · Sandbox

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

Kingdoms and Castles
Shared: City Builder · Simulation · Sandbox

Satisfactory
Shared: Base Building · Building · Sandbox

Dwarf Fortress
Shared: Simulation · Base Building · City Builder

Techtonica
Shared: Simulation · Base Building · Building

Timberborn
Shared: City Builder · Sandbox · Building

Foundation
Shared: Simulation · City Builder · Sandbox

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

Planet Coaster 2
Shared: Simulation · City Builder · Sandbox

Kenshi
Shared: Sandbox · Simulation · RPG

Settlement Survival
Shared: City Builder · Simulation · Building

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

shapez 2 - Factory
Shared: Simulation · Building · Sandbox

Mini Motorways
Shared: Simulation · Casual · Strategy

Two Point Hospital
Shared: Simulation · Building · Casual

