Games like TowerLine
Games like TowerLine include Factorio, shapez, Satisfactory, Dyson Sphere Program, and shapez 2 - Factory. We matched them by the tags players give TowerLine on Steam (Automation, Base Building, Crafting, Resource Management, and Simulation): 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 · Crafting

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

shapez 2 - Factory
Shared: Automation · Simulation · Strategy

Schedule I
Shared: Simulation · Automation · Crafting

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

Hydroneer
Shared: Automation · Base Building · Simulation

The Last Caretaker
Shared: Base Building · Crafting · Automation

Prison Architect
Shared: Base Building · Simulation · Strategy

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

RimWorld
Shared: Base Building · Strategy · Simulation

Manor Lords
Shared: Base Building · Simulation · Strategy

FOUNDRY
Shared: Automation · Base Building · Crafting

Automation Empire
Shared: Automation · Base Building · Simulation

Mindustry
Shared: Automation · Base Building · Resource Management

MineMogul
Shared: Automation · Crafting · Base Building

Beltmatic
Shared: Automation · Base Building · Resource Management

Dwarf Fortress
Shared: Base Building · Simulation · Strategy

Factory Town
Shared: Automation · Base Building · Resource Management

Against the Storm
Shared: Base Building · Simulation · Strategy

Kingdoms and Castles
Shared: Resource Management · Simulation · Base Building

Sandustry
Shared: Automation · Crafting · Open World

Plan B: Terraform
Shared: Automation · Resource Management · Simulation