To play this game, first decide who will be Thanos and who will be the heroes. Shuffle the cards and deal them out according to the number of players. As Thanos, your goal is to gather the Infinity Stones. As a hero, you need to use your cards to stop Thanos. Be careful when making deductions about your opponents' cards. When the game is over, put the cards back in the box. Keep the cards away from moisture and direct sunlight to keep them in good condition.