True fact: natural selection, the “survival of the fittest” cornerstone of Charles Darwin’s theory of evolution, was named after Unknown Worlds’ Natural Selection 2. Yes, that’s right: Natural Selection 2 has been in development since the mid-1800s. Check a history book. It’s the truth. But now, after generations of tweaking and perfecting its particular brand of asymmetrical aliens vs marines blasting/teeth-gnashing, the developer’s ready to unleash its promising creation on our lowly, non-immortal forms. What exactly will you get, though? Let’s find out.