Games like Beltmatic
Games like Beltmatic include Factorio, shapez, Satisfactory, Dyson Sphere Program, and Hydroneer. We matched them by the tags players give Beltmatic on Steam (Automation, Casual, Base Building, Resource Management, and Sandbox): closest matches first, and among equally close ones the better-known games.

Factorio
Shared: Automation · Base Building · Resource Management

shapez
Shared: Automation · Base Building · Resource Management

Satisfactory
Shared: Automation · Base Building · Resource Management

Dyson Sphere Program
Shared: Automation · Base Building · Resource Management

Hydroneer
Shared: Automation · Base Building · Sandbox

Oxygen Not Included
Shared: Base Building · Resource Management · Sandbox

Prison Architect
Shared: Base Building · Simulation · Sandbox

Mindustry
Shared: Automation · Base Building · Resource Management

Autonauts
Shared: Automation · Casual · Base Building

MineMogul
Shared: Automation · Base Building · Strategy

Forage Wizard
Shared: Casual · Simulation · Sandbox

shapez 2 - Factory
Shared: Automation · Strategy · Simulation

Automation Empire
Shared: Automation · Base Building · Simulation

Captain of Industry
Shared: Automation · Base Building · Resource Management

The Last Caretaker
Shared: Automation · Base Building · Crafting

Star Birds
Shared: Base Building · Automation · Resource Management

Alchemy Factory
Shared: Automation · Sandbox · Casual

Kingdoms and Castles
Shared: Resource Management · Simulation · Sandbox

Manor Lords
Shared: Base Building · Strategy · Simulation

Potion Craft: Alchemist Simulator
Shared: Crafting · Simulation · Resource Management

Factory Town
Shared: Automation · Base Building · Resource Management

Cities: Skylines
Shared: Simulation · Sandbox · Strategy

Production Line : Car factory simulation
Shared: Automation · Simulation · Strategy

Techtonica
Shared: Automation · Base Building · Simulation