Free games like Oxygen
Below are 9 free-to-play Steam games similar to Oxygen, 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 Oxygen page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Oxygen — no purchase or trial window. Shares Indie with Oxygen.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Indigo Park: Chapter 1
Free-to-play alternative to Oxygen — no purchase or trial window. Shares Indie with Oxygen.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 3
The Looker
Free-to-play alternative to Oxygen — no purchase or trial window. Shares Indie with Oxygen.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 4
missed messages.
Free-to-play alternative to Oxygen — no purchase or trial window. Shares Indie and Simulation with Oxygen.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
- 5
Virtual Cottage
Free-to-play alternative to Oxygen — no purchase or trial window. Shares Indie and Simulation with Oxygen.
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.
- 6
Steam Engine Simulator
Free-to-play alternative to Oxygen — no purchase or trial window. Shares Simulation with Oxygen.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 7
Magic Archery
Free-to-play alternative to Oxygen — no purchase or trial window. Shares Indie and Simulation with Oxygen.
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.
- 8
The Lab
Free-to-play alternative to Oxygen — 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!
- 9
Oxygen: First Breath
Free-to-play alternative to Oxygen — no purchase or trial window. Shares Strategy and Indie with Oxygen.
This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running!