Pyramid Solitaire - bestphysics is a relaxing solitaire card puzzle where you clear a pyramid by pairing cards that add up to 13.
Click two uncovered cards that total 13 to remove them. Kings count as 13 and go by themselves. Only uncovered cards can be played, so open up blocked cards first. Draw from the stock when you need new options and aim to clear the pyramid before the deck runs out. Plan a few moves ahead to keep matches available.
Tip: Prioritize pairs that free the most hidden cards, and save stock cards to break tricky spots.