Official AARP Pyramid Solitaire. A free online solitaire card game where the player tries to match pairs of cards with a rank that totals. Play Pyramid Solitaire online for free. Simple gameplay, excellent The game board in Pyramid solitaire is made up of four things: The Pyramid: The pyramid is. Click "Install" to install the latest version of the game. (This warning box may or may not appear, depending on your security settings.) If you saw the warning box.