Use stem-cells and dirty needles to evolve and edit your DNA so you can do things like shoot bees from your hands. In an underwater city. Praise Darwin

Travel the wasteland and battle mutants who have evolved to survive its harsh conditions. You can also drink radiated toilet water. Praise Darwin

You're a little mutant that shoots things and evolves new mutations to get better at shooting more things. It's also randomized. Praise Darwin.

Animatronic animals have evolved and developed sentience, and try to kill you. Freaky as ♥♥♥♥ in my pants. Praise Darwin

Create your own species and guide it through its lifespan as it grows and evolves. May the strong survive. Praise Darwin.

Great horror game featuring the next step in human evolution, Necromorphs. Also has some wierd denomination of Scientology. Pretty cool. Praise Darwin.

Goes from the beginning of human civilization with pointy sticks to the future with giant death-robots. Fantastic grand strategy game. Praise Darwin.

Goes through the evolution of gaming going from old pixel graphics on a 2D plane to 3D adding mechanics and features with each evolution. Praise Darwin.

A great asymetrical multiplayer game with Marines VS. Aliens. Each team has a commander that gives orders to your team, really fun. Praise Darwin.