Pax Emancipation 

Assign warships to blockade slave ports or intercept slave ships, install missions, trading posts, and colonies in foreign lands steeped in serfdom, challenge the institution of slavery on moral and legal grounds in courts, and sanction underground railroads, slave revolts and revolutions. Play in cooperative-competitive, cooperative, or solitaire modes. If victorious, you achieve the greatest political accomplishment in history: making slavery everywhere illegal.

Neanderthal 2nd edition 

Humanity's evolution as a species has accelerated over the last 30,000-40,000 years in a manner unparalleled in the evolution of life on Earth. What triggered this change? Genetic mutation? Probably not. Our brains and anatomy have remained relatively unchanged for 4 million years. An encounter with different hominid species? Perhaps...

Greenland 3rd edition 

Imagine you are a tribe on an island slowly freezing over. The supply ships stop coming, and the only means to survival is intermarriage to discover the survival secrets of the other cultures: Tunit, Vikings, Inuit, Sea Sami.

Bios: Megafauna 2nd edition (Inglés)

Start as a plant or animal making first landfall half a billion years ago, then evolve it on drifting continents in the face of competition and huge ecological events: Win if become the dominant herbivore or carnivore.