The classic "life simulator" where you evolve a species from a single cell to a space-faring empire.
You control a herd of strange creatures on a surreal alien world.
A great place for free, experimental indie simulation games.
It looks like you might be looking for a specific PC game or perhaps a research paper with that title. Since "alien-life-simulator-pc-game-free-download" sounds like a specific file name or a search string, I’ll help you narrow it down based on the most likely interpretations: 1. You're looking for a Game called "Alien Life Simulator"
Look under the "Simulation" tag for no-cost options.
Focuses on breeding and evolving your own animal tribe to survive in different biomes. 2. You're looking for a Research Paper or Article