(This game is currently out of stock, but you can grab PDFs of the cards and/or get a Print-On-Demand shipped straight to you using the link above!)

The Game of Proving You Exist!

Do you exist? I think therefor I am? From Socrates to Descartes, the question has dogged mankind. Now with Ergo you can prove your existence while disproving the existence of your friends!

Players are assigned a variable (A, B, C or D) at the start of a game. During each round, players attempt to collectively build a Proof that proves their existence, while disproving the existence of any other player. Each turn a player will draw two cards and play two cards, even if a player canâ€™t play to the Proof and must discard. When a Proof is stopped, provided there is no paradox, the number of cards in the Proof equals the number of points awarded to each proven player. All cards are then shuffled again and a new round begins. The first player to 50 points wins!