Free games like Idle interstellar Factory 2
Below are 8 free-to-play Steam games similar to Idle interstellar Factory 2, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Idle interstellar Factory 2 page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Idle interstellar Factory 2 — no purchase or trial window. Shares Indie with Idle interstellar Factory 2.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Bongo Cat
Free-to-play alternative to Idle interstellar Factory 2 — no purchase or trial window. Shares Indie and Simulation with Idle interstellar Factory 2.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 3
NGU IDLE
Free-to-play alternative to Idle interstellar Factory 2 — no purchase or trial window. Shares Indie and Simulation with Idle interstellar Factory 2.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 4
Virtual Cottage
Free-to-play alternative to Idle interstellar Factory 2 — no purchase or trial window. Shares Indie and Simulation with Idle interstellar Factory 2.
Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.
- 5
Steam Engine Simulator
Free-to-play alternative to Idle interstellar Factory 2 — no purchase or trial window. Shares Simulation with Idle interstellar Factory 2.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 6
Magic Archery
Free-to-play alternative to Idle interstellar Factory 2 — no purchase or trial window. Shares Indie and Simulation with Idle interstellar Factory 2.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 7
Coloring Pixels
Free-to-play alternative to Idle interstellar Factory 2 — no purchase or trial window. Shares Indie with Idle interstellar Factory 2.
A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.
- 8
The Lab
Free-to-play alternative to Idle interstellar Factory 2 — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!