

Biolune
Meep Engine · 2026 · Creature Collector, Roguelite, Sandbox, Life Sim, Space Sim
PC
This game is free to play. Get it on Steam →
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About Biolune
Create favorable conditions for ecosystems to flourish.
- Build contraptions to attract comets, which will release water, resources, and occasionally even frozen flora and fauna.
- Plants require various amounts of light, water, soil, and air to grow.
- Animals need to eat, drink, and breathe. They also need to find shelter from the elements and each other.
- Waste from plants and animals will break down into fertile soil, letting ecosystems grow larger and more complex over time.
- Every organism has genes and can mutate randomly in many ways.
- Push a species in a specific direction, or leave it alone and watch it evolve in response to the environment. Feeling impatient? Get in the lab and edit some genomes – just don’t be surprised if things go off the rails.
- Create adorable critters, bizarre monsters, and anything in between.
- Find and fix other robots as you travel from moon to moon.
- Most will be helpful, but not all are friendly.
- Learn more about your shared origins, and try to understand your existence.
- Biomass gathered from a healthy ecosystem can be converted into useful resources, or into energy to travel between moons.
- Use what you find to build yourself new tools.
- Protect your fragile, beautiful world... or don't, and watch chaos unfold.
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