In this game, you play Prisoner's dilemma against the same opponent five times in a row. You are matched with an opponent of a random type. Try to maximize the number of points you receive.
In this game of PD, you have to take a decision to cooperate or defect simultaneously with the other player. If you both cooperate, each player gets two points. If both defect, you get one point each. If you defect while your opponent cooperates, you will get three points and he will get zero. If you cooperate while your opponent defects, he will get three points, and you will get zero.