Free games like Outcast on Mars
Below are 8 free-to-play Steam games similar to Outcast on Mars, 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 Outcast on Mars page.
Ranked picks
- 1
Life is Strange - Episode 1
Free-to-play alternative to Outcast on Mars — no purchase or trial window. Shares Action and Adventure with Outcast on Mars.
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
Ultimate Custom Night
Free-to-play alternative to Outcast on Mars — no purchase or trial window. Shares Action with Outcast on Mars.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 3
ENA: Dream BBQ
Free-to-play alternative to Outcast on Mars — no purchase or trial window. Shares Adventure with Outcast on Mars.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 4
Indigo Park: Chapter 1
Free-to-play alternative to Outcast on Mars — no purchase or trial window. Shares Action and Adventure with Outcast on Mars.
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.
- 5
The Looker
Free-to-play alternative to Outcast on Mars — no purchase or trial window.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 6
Grimm's Hollow
Free-to-play alternative to Outcast on Mars — no purchase or trial window. Shares Adventure and RPG with Outcast on Mars.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
- 7
![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 Outcast on Mars — no purchase or trial window. Shares Action and Adventure with Outcast on Mars.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 8
Paper Lily - Chapter 1
Free-to-play alternative to Outcast on Mars — no purchase or trial window. Shares Adventure and RPG with Outcast on Mars.
Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.