Free games like Monuments of Mars
Below are 8 free-to-play Steam games similar to Monuments of 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 Monuments of Mars page.
Ranked picks
- 1
The Big Catch: Tacklebox
Free-to-play alternative to Monuments of Mars — no purchase or trial window. Shares Action and Adventure with Monuments of Mars.
Crack open the Tacklebox to show off your platforming prowess and fishing skills in this free prologue to The Big Catch.
- 2
Janosik
Free-to-play alternative to Monuments of Mars — no purchase or trial window. Shares Action and Adventure with Monuments of Mars.
Challenging retro pixel graphics action-platformer. Become a legendary rogue Janosik and explore the big mountain castle level full of secrets. Available for FREE!
- 3
Sadball
Free-to-play alternative to Monuments of Mars — no purchase or trial window. Shares Action with Monuments of Mars.
Chase pins as a bowling ball with dreamlike abilities in a surreal bowling alley.
- 4
Peril by MDE
Free-to-play alternative to Monuments of Mars — no purchase or trial window. Shares Action and Adventure with Monuments of Mars.
Use your javelin to jump across platforms, solve puzzles, and defeat monsters in seven unique worlds. If you are a fan of retro platformers, you are going to love this game!
- 5
Butterflies
Free-to-play alternative to Monuments of Mars — no purchase or trial window. Shares Action and Adventure with Monuments of Mars.
Butterflies is a video game about inline skating and graffiti. Apparently some people did that before, but they don't seem like they'll be doing it anymore.
- 6
Citadale Resurrection
Free-to-play alternative to Monuments of Mars — no purchase or trial window. Shares Action and Adventure with Monuments of Mars.
A collection of old-school retro Citadale games in the style of various systems released in the mid 1980s to early 1990s. Each game has its own unique look, sound, gameplay style and feel and yet they are all distinctly Citadale.
- 7
Sime Is Back
Free-to-play alternative to Monuments of Mars — no purchase or trial window. Shares Action and Adventure with Monuments of Mars.
Sime's back, celebrated by locals but tired of exploitation. Join him & his feline friend on a whimsical Adriatic journey. Armed with his fish, Sime confronts enemies, smashes crates & reclaims what's his. Dive into this charming adventure of chaos, camaraderie, & fish-flinging fun!
- 8
PLUNKO: Champion of the Roundlands
Free-to-play alternative to Monuments of Mars — no purchase or trial window. Shares Action and Adventure with Monuments of Mars.
PLUNKO: Champion of the Roundlands is a hand crafted action platformer with an energetic twist! PLUNKO loves energy drinks, give them one and prepare to bounce off the walls! So, aid PLUNKO on his quest, and stop King Trungle from destroying the Roundlands!