Games like Doodle Factory
Games like Doodle Factory include Factorio, Dyson Sphere Program, Prison Architect, Cities: Skylines, and Manor Lords. We matched them by the tags players give Doodle Factory on Steam (Automation, Base Building, Resource Management, City Builder, and Sandbox): closest matches first, and among equally close ones the better-known games.

Factorio
Shared: Automation · Base Building · Resource Management

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

Prison Architect
Shared: Base Building · Sandbox · Simulation

Cities: Skylines
Shared: City Builder · Simulation · Sandbox

Manor Lords
Shared: Base Building · City Builder · Simulation

shapez
Shared: Automation · Base Building · Resource Management

Kingdoms and Castles
Shared: City Builder · Resource Management · Base Building

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

Satisfactory
Shared: Automation · Base Building · Resource Management

Cities: Skylines II
Shared: City Builder · Sandbox · Simulation

Against the Storm
Shared: Base Building · City Builder · Simulation

Beltmatic
Shared: Automation · Base Building · Resource Management

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

Foundation
Shared: City Builder · Sandbox · Resource Management

Timberborn
Shared: City Builder · Automation · Sandbox

Hydroneer
Shared: Automation · Base Building · Sandbox

Factory Town
Shared: Automation · Base Building · Resource Management

Mindustry
Shared: Automation · Base Building · Resource Management

Workers & Resources: Soviet Republic
Shared: Base Building · City Builder · Simulation

Automation Empire
Shared: Automation · Base Building · Simulation

Empires of the Undergrowth
Shared: Base Building · City Builder · Simulation

Dwarf Fortress
Shared: Base Building · City Builder · Sandbox

Star Birds
Shared: Base Building · Resource Management · Automation

Frostpunk
Shared: City Builder · Resource Management · Base Building