Games like Idle interstellar Factory 2
Games like Idle interstellar Factory 2 include Factorio, shapez, Satisfactory, Dyson Sphere Program, and Potion Craft: Alchemist Simulator. We matched them by the tags players give Idle interstellar Factory 2 on Steam (Automation, Sandbox, Crafting, Strategy, and 2D): closest matches first, and among equally close ones the better-known games.

Factorio
Shared: Automation · Sandbox · Crafting

shapez
Shared: Automation · Sandbox · Crafting

Satisfactory
Shared: Automation · Crafting · Sandbox

Dyson Sphere Program
Shared: Automation · Simulation · Sandbox

Potion Craft: Alchemist Simulator
Shared: Crafting · Simulation · Singleplayer

Oxygen Not Included
Shared: Sandbox · Resource Management · 2D

RimWorld
Shared: Sandbox · Strategy · Simulation

The Escapists
Shared: Crafting · Strategy · 2D

Beltmatic
Shared: Automation · Sandbox · Strategy

Automation Empire
Shared: Automation · Strategy · Sandbox

The Last Caretaker
Shared: Crafting · Automation · Sandbox

Mindustry
Shared: Automation · Strategy · Sandbox

shapez 2 - Factory
Shared: Automation · Strategy · Sandbox

Totally Accurate Battle Simulator
Shared: Sandbox · Simulation · Strategy

Prison Architect
Shared: Sandbox · Simulation · Strategy

Cities: Skylines
Shared: Sandbox · Simulation · Strategy

The Escapists 2
Shared: Strategy · 2D · Crafting

Game Dev Tycoon
Shared: Strategy · Simulation · 2D

Little Big Workshop
Shared: Strategy · Simulation · Automation

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

Sixty Four
Shared: Automation · Strategy · Simulation

Forage Wizard
Shared: Crafting · Simulation · Sandbox

Terraria
Shared: Sandbox · 2D · Crafting

Graveyard Keeper
Shared: Crafting · Sandbox · Simulation