Tripeaks is a classic solitaire variation where you stack cards on a pile that are 1 away from the card pile. So if the card on the pile of cards is 10, you can place a 9 or Jack (from the table of revealed cards) on top of the card pile.
There are 25 different levels to complete. Based on your score, a bronze, silver or gold bade will be awarded for a level. The total score is calculated by adding all the scores of all levels. Play fast for bonus points!