Single-player games like Idle interstellar Factory 2
Below are 13 single-player Steam games similar to Idle interstellar Factory 2, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Idle interstellar Factory 2 page.
Ranked picks
- 1

Mining Factory
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Idle interstellar Factory 2.
Can mine, can fight, and has sisters, collecting more than 30 types of ore such as iron ore, copper ore, manganese ore, chrome ore, vanadium ore, titanium ore, etc. Team up to break through the 100th floor
- 2

From atom to modern
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Idle interstellar Factory 2.
From the manufacture of monoatomic hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon, to the creation of the earth, from apes to Homo erectus, to nuclear weapons, rockets, to artificial intelligence, to exploring the universe.
- 3

Mining Copper
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Idle interstellar Factory 2.
Collect copper ore and pass through various smelting equipment to produce copper plates.
- 4

Sixty Four
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Idle interstellar Factory 2.
Dive into the world of Sixty Four, where you transform simple machines into a thriving factory.
- 5

Military Incremental Complex
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Simulation with Idle interstellar Factory 2.
Make weapons, make money. An active incremental game where you amass as much money as you can by starting a Military Industrial Complex company. Produce multiple different weapons, research upgrades, manipulate the stock market, and lobby the government for favors.
- 6

Beltmatic
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Idle interstellar Factory 2.
Beltmatic is a casual factory game where you combine numbers using mathematical operations.
- 7

Incremental Factory
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Idle interstellar Factory 2.
Craft and automate an industrial empire from scratch! Experience a strategic game teeming with challenges as you manage resources, overcome hurdles, and optimize production chains. Are you ready to conquer the challenges of Incremental Factory? Your journey starts here... The Factory Must Grow!
- 8

Beltex
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Idle interstellar Factory 2.
Beltex is a casual factory game played on a hex map. Extract numbers. Combine them using mathematical operations. Deliver them using belts across a huge map. Unlock new buildings and upgrades.
- 9

邪神大陆(Evil God Land)
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Indie with Idle interstellar Factory 2.
Abundant weapon skill system, open 3D fantasy world, clear game goals RPG defensive game, guarding the crystal and exploring the upgrade of monsters
- 10

Peach Territory
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Idle interstellar Factory 2.
Xiao Xuan entered the peach blossom realm, fell in love with a girl, practiced and defeated the devil Nearly a thousand pictures of beautiful women, all kinds of clothes, very beautiful. Very tempting
- 11

Fantasy Adventure
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy with Idle interstellar Factory 2.
A hero placement type tower defense game, you can hang up to generate fragments, fight monsters to earn money, and upgrade cards
- 12

Art Girl 2
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Idle interstellar Factory 2.
2d card game, customize skills through cards, brush monsters, brush money, brush equipment games, there are some beautiful pictures of girls
- 13

Alien Planet Survival
Single-player alternative to Idle interstellar Factory 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Idle interstellar Factory 2.
You drift in space, land on a random planet, collect materials, survive, develop civilization technology, conquer more planets, idle automation factory game