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It is the year 1.A.D. The beginning of time and a dawn of women and men. You are a group of cavepeople, taking your first steps into the unknown, primal, and savage world full of rival tribes, voracious dinosaurs, erupting volcanoes, on the eve of the Ice Age! Explore the dangers of the early days of human history, complex political struggles within the first tribal structures, communication difficulties of the times-before-language, and the Ice Age driven economic impact caused by severe resource scarcity. All that and more on a one-page A4 document (or Letter if you're feeling really primal).