Free games like A Space Odyssey
Below are 8 free-to-play Steam games similar to A Space Odyssey, 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 A Space Odyssey page.
Ranked picks
- 1
The Murder of Sonic the Hedgehog
Free-to-play alternative to A Space Odyssey — no purchase or trial window. Shares Simulation and Casual with A Space Odyssey.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 2
Magic Archery
Free-to-play alternative to A Space Odyssey — no purchase or trial window. Shares Simulation with A Space Odyssey.
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.
- 3
Cinderella Phenomenon - Otome/Visual Novel
Free-to-play alternative to A Space Odyssey — no purchase or trial window. Shares Simulation with A Space Odyssey.
The Fairytale Curse was only the beginning...
- 4
Landfall Archives
Free-to-play alternative to A Space Odyssey — no purchase or trial window.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 5
The Sims™ 4
Free-to-play alternative to A Space Odyssey — no purchase or trial window. Shares Simulation and Casual with A Space Odyssey.
Play with life and discover the possibilities. Unleash your imagination and create a world of Sims that’s wholly unique. Explore and customize every detail from Sims to homes–and much more.
- 6
Aimlabs
Free-to-play alternative to A Space Odyssey — no purchase or trial window. Shares Simulation with A Space Odyssey.
Aimlabs is the aim trainer of choice for over 45 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game!
- 7
Clicker Heroes
Free-to-play alternative to A Space Odyssey — no purchase or trial window. Shares Simulation with A Space Odyssey.
Click your way through hordes of monsters, earn gold, and recruit quirky heroes with powerful skills. Progress even while you're idle, and watch the numbers climb into the absurd. It’s a never-ending journey of clicks, crits, and colossal damage.
- 8
Cell to Singularity - Evolution Never Ends
Free-to-play alternative to A Space Odyssey — no purchase or trial window. Shares Simulation and Casual with A Space Odyssey.
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.