In Exo Keeper, you turn a barren, frozen world into a lush paradise by intoducing microbial lifeforms. The game is a science-based simulation of an ecosystem, inspired by Conway's game of life, SimEarth and Terraforming Mars.

There is a lot going on in this game, and not everything is clear at first glance. I wanted to explain the thinking behind it, so I put together this video:

https://www.youtube.com/watch?v=c1PgdhizHl0

And of course, here is the game itself: https://ldjam.com/events/ludum-dare/46/exo-keeper