Learn about human nature through the Prisoner’s Dilemma and other social games

The Game of Humanity is not just about human history — it is also about human nature. Using adaptations of the Prisoner’s Dilemma and similar game-theory exercises, the game challenges players’ notions of generosity, selfishness, gratitude, and guile. Time and again, it shows us that rational individuals do not always behave rationally, even when it seems in their interest to do so.

Cooperation or Competition?

The Aid-or-Raid Challenge lets you sample a common interaction from The Game of Humanity. This challenge arises in the game when two tribes confront each other along the path through human history. Should they cooperate or compete — that is, should they aid or raid each other? Just as in the Prisoner’s Dilemma, there are benefits and risks to both choices:

• If you and the other tribe both choose to aid, you gain 2 Peeps each.
• If you both choose to raid, you lose 2 Peeps each.
• But if one aids and one raids, the raider takes 3 Peeps from the aider.

Starting with 5 Peeps, the object is to be the first to 15. You can play against one, two or three other tribes, each of which uses a different strategy. Keep in mind, however, that scores are not saved; closing or navigating away from this page will reset your score.

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