Games like Numachina
Games like Numachina include Mini Motorways, shapez 2 - Factory, Cities: Skylines, Mini Metro, and Garry's Mod. We matched them by the tags players give Numachina on Steam (Simulation, Casual, Automation, Sandbox, and Puzzle): closest matches first, and among equally close ones the better-known games.

Mini Motorways
Shared: Simulation · Casual · Strategy

shapez 2 - Factory
Shared: Automation · Simulation · Strategy

Cities: Skylines
Shared: Simulation · Sandbox · Strategy

Mini Metro
Shared: Simulation · Puzzle · Strategy

Garry's Mod
Shared: Sandbox · Casual · Physics

Factorio
Shared: Automation · Sandbox · Strategy

shapez
Shared: Automation · Sandbox · Singleplayer

Cities: Skylines II
Shared: Simulation · Sandbox · Singleplayer

Game Dev Tycoon
Shared: Simulation · Casual · Strategy

Crazy Machines 3
Shared: Simulation · Puzzle · Sandbox

Planet Coaster
Shared: Simulation · Sandbox · Strategy

House Flipper
Shared: Simulation · Singleplayer · Casual

Zup! S
Shared: Casual · Puzzle · Singleplayer

Bridge Constructor Portal
Shared: Simulation · Puzzle · Strategy

Prison Architect
Shared: Simulation · Sandbox · Strategy

Dorfromantik
Shared: Casual · Puzzle · Sandbox

People Playground
Shared: Sandbox · Simulation · Physics

Two Point Hospital
Shared: Simulation · Singleplayer · Sandbox

Dyson Sphere Program
Shared: Automation · Simulation · Sandbox

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Strategy

Poly Bridge
Shared: Simulation · Puzzle · Sandbox

Opus Magnum
Shared: Automation · Simulation · Puzzle

RimWorld
Shared: Sandbox · Simulation · Strategy

Project Highrise
Shared: Simulation · Singleplayer · Sandbox