Free games like Astro Mission: Moon
Below are 9 free-to-play Steam games similar to Astro Mission: Moon, 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 Astro Mission: Moon page.
Ranked picks
- 1

Life is Strange - Episode 1
Free-to-play alternative to Astro Mission: Moon — no purchase or trial window. Shares Adventure with Astro Mission: Moon.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
- 2

ENA: Dream BBQ
Free-to-play alternative to Astro Mission: Moon — no purchase or trial window. Shares Adventure with Astro Mission: Moon.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 3

Indigo Park: Chapter 1
Free-to-play alternative to Astro Mission: Moon — no purchase or trial window. Shares Adventure with Astro Mission: Moon.
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.
- 4
![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)
UNBEATABLE [white label]
Free-to-play alternative to Astro Mission: Moon — no purchase or trial window. Shares Adventure with Astro Mission: Moon.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 5

The Lab
Free-to-play alternative to Astro Mission: Moon — 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!
- 6

Cinderella Phenomenon - Otome/Visual Novel
Free-to-play alternative to Astro Mission: Moon — no purchase or trial window.
The Fairytale Curse was only the beginning...
- 7

Control, I'm Not Coming Back
Free-to-play alternative to Astro Mission: Moon — no purchase or trial window. Shares Adventure with Astro Mission: Moon.
Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
- 8

Samorost 1
Free-to-play alternative to Astro Mission: Moon — no purchase or trial window. Shares Adventure with Astro Mission: Moon.
Explore the beginnings of the Samorost series in the space gnome’s original bite-sized adventure, formerly released in 2003. Now with remastered sounds, enhanced graphics, and new music by Floex.
- 9

Rotten Bloom
Free-to-play alternative to Astro Mission: Moon — no purchase or trial window. Shares Adventure with Astro Mission: Moon.
Step into a world where nature has reclaimed what was always hers. Explore a disturbing dystopia as the first successful human-plant symbiosis. Extract abilities from corpses, reshape your essence, and decide the fate of both species.