Pyramid Solitaire Mobile is a very fun and captivating card game. Available for free! The goal of the game is to clear as many boards as possible by tapping any two cards that add up to exactly 13. For example, you can tap a 10 and a 3, or an 8 and a 5. You will start out with a pyramid of cards, a deck of cards and a waste pile. You can match any uncovered card.