Keep your brain sharp! Play the fun and addictive classic card game Pyramid Solitaire Challenge with daily challenges for free on your Android device! Pyramid Solitaire Challenge is a challenging solitaire card game that requires logic and strategy to clear the board. Remove all the cards from the board by finding pairs of cards whose sum equal 13. For example, you can choose a 10 and 3 or a 8 and a 5. (Jacks = 11, Queens = 12, Kings = 13). FEATURES OF PYRAMID SOLITAIRE CHALLENGE • Guaranteed solvable games • Customizable background color. Choose any background color you like! • Leaderboards and achievements • Offline solitaire card game