Games like Cantata
Games like Cantata include RimWorld, Factorio, Stellaris, Cities: Skylines, and Prison Architect. We matched them by the tags players give Cantata on Steam (Strategy, Sandbox, Pixel Graphics, Management, and Moddable): closest matches first, and among equally close ones the better-known games.

RimWorld
Shared: Strategy · Sandbox · Base Building

Factorio
Shared: Sandbox · Strategy · Base Building

Stellaris
Shared: Strategy · Sandbox · Sci-fi

Cities: Skylines
Shared: Strategy · Management · Sandbox

Prison Architect
Shared: Sandbox · Strategy · Management

Sid Meier’s Civilization® VI
Shared: Strategy · Turn-Based Strategy · Management

Manor Lords
Shared: Strategy · Management · Base Building

Game Dev Tycoon
Shared: Strategy · Management · Moddable

Dyson Sphere Program
Shared: Base Building · Sandbox · Management

Oxygen Not Included
Shared: Base Building · Management · Sandbox

Cities: Skylines II
Shared: Sandbox · Management · Strategy

Jurassic World Evolution
Shared: Strategy · Management · Sandbox

shapez
Shared: Sandbox · Strategy · Base Building

Your Only Move Is HUSTLE
Shared: Strategy · Pixel Graphics · Turn-Based Strategy

shapez 2 - Factory
Shared: Strategy · Management · Sandbox

Into the Breach
Shared: Strategy · Pixel Graphics · Turn-Based Strategy

Jurassic World Evolution 2
Shared: Management · Sandbox · Strategy

TheoTown
Shared: Pixel Graphics · Sandbox · Strategy

Heroes of Might and Magic: Olden Era
Shared: Strategy · Turn-Based Strategy · Sandbox

Against the Storm
Shared: Strategy · Management · Base Building

Forts
Shared: Strategy · Base Building · Sandbox

Empires of the Undergrowth
Shared: Strategy · Base Building · Sandbox

Automation - The Car Company Tycoon Game
Shared: Sandbox · Management · Strategy

Garry's Mod
Shared: Sandbox · Moddable · Multiplayer