Games like Spellcaster University
Games like Spellcaster University include RimWorld, Oxygen Not Included, Prison Architect, Supermarket Simulator, and Kingdoms and Castles. We matched them by the tags players give Spellcaster University on Steam (Magic, Simulation, Colony Sim, Base Building, and Management): closest matches first, and among equally close ones the better-known games.

RimWorld
Shared: Colony Sim · Base Building · Management

Oxygen Not Included
Shared: Colony Sim · Base Building · Management

Prison Architect
Shared: Simulation · Base Building · Colony Sim

Supermarket Simulator
Shared: Simulation · Management · Singleplayer

Kingdoms and Castles
Shared: Colony Sim · Simulation · Management

Manor Lords
Shared: Simulation · Base Building · Management

Frostpunk
Shared: Colony Sim · Base Building · Simulation

Empires of the Undergrowth
Shared: Simulation · Base Building · Colony Sim

Captain of Industry
Shared: Simulation · Base Building · Management

Against the Storm
Shared: Simulation · Base Building · Management

Dwarf Fortress
Shared: Colony Sim · Simulation · Base Building

Workers & Resources: Soviet Republic
Shared: Simulation · Base Building · Management

Going Medieval
Shared: Colony Sim · Base Building · Management

Banished
Shared: Colony Sim · Simulation · Singleplayer

Stranded: Alien Dawn
Shared: Simulation · Base Building · Colony Sim

Ostriv
Shared: Simulation · Colony Sim · Management

Game Dev Tycoon
Shared: Simulation · Management · Singleplayer

Norland
Shared: Simulation · Base Building · Colony Sim

Gas Station Simulator
Shared: Simulation · Management · Economy

This War of Mine
Shared: Simulation · Singleplayer · Base Building

Cities: Skylines
Shared: Simulation · Management · Singleplayer

Infection Free Zone
Shared: Base Building · Simulation · Management

Kingdoms Reborn
Shared: Colony Sim · Base Building · Management

Big Ambitions
Shared: Simulation · Management · Economy