In this game there is a pyramid of cards. You need to remove all the cards in the pyramid. K´s can be removed by itself, while other cards must be removed by matching with another card that sums up to 13. When there are no more moves, you can uncover a card to see if it can be matched and removed.
FreewareFiles tested Pyramid Solitaire 1.1.0 on 2009-01-29 using leading
antivirus scanners and found it 100% Clean. It does not contain any form
of malware, spyware, viruses, trojans, etc. We will re-test each updated
version and remove the award as well as the program if found infected.