A great place for free, experimental indie simulation games.
Focuses on breeding and evolving your own animal tribe to survive in different biomes. 2. You're looking for a Research Paper or Article alien-life-simulator-pc-game-free-download
If you are looking for a game where you simulate or interact with alien life, there are several popular and highly-rated titles (though most are paid, not "free download" in a legal sense): A great place for free, experimental indie simulation games