Games like The Gears: Factory
Games like The Gears: Factory include Raft, Factorio, Valheim, Green Hell, and Satisfactory. We matched them by the tags players give The Gears: Factory on Steam (Combat, Singleplayer, 3D, Online Co-Op, and Crafting): closest matches first, and among equally close ones the better-known games.

Raft
Shared: Crafting · Online Co-Op · Base Building

Factorio
Shared: Automation · Base Building · Crafting

Valheim
Shared: Online Co-Op · Crafting · Base Building

Green Hell
Shared: Online Co-Op · Crafting · Singleplayer

Satisfactory
Shared: Automation · Base Building · Crafting

Enshrouded
Shared: Online Co-Op · Base Building · Crafting

Palworld
Shared: Online Co-Op · Crafting · Survival

Dyson Sphere Program
Shared: Automation · Base Building · Building

Stranded: Alien Dawn
Shared: Base Building · Combat · Crafting

The Riftbreaker
Shared: Online Co-Op · Base Building · Singleplayer

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

ASKA
Shared: Base Building · Online Co-Op · Colony Sim

RimWorld
Shared: Singleplayer · Base Building · Colony Sim

Frostpunk
Shared: City Builder · Singleplayer · Survival

The Planet Crafter
Shared: Online Co-Op · Base Building · Crafting

Scrap Mechanic
Shared: Crafting · Building · Base Building

The Last Caretaker
Shared: Crafting · Singleplayer · Automation

Age of Empires III: Definitive Edition
Shared: Base Building · Singleplayer · City Builder

Songs of Syx
Shared: City Builder · Singleplayer · Base Building

Bellwright
Shared: Crafting · Online Co-Op · City Builder

Infection Free Zone
Shared: Base Building · City Builder · Singleplayer

Timberborn
Shared: City Builder · Automation · Colony Sim

ARK: Survival Evolved
Shared: Crafting · Survival · Base Building

Captain of Industry
Shared: Automation · Base Building · Singleplayer