1 Deck. Easy (95%). Mostly Luck.
To discard all the cards.
|•||16 piles - the top card is available for play. Discard sets of cards that have that add to 15. Tens, Jacks, Queens, and Kings are discarded as a set (10-J-Q-K). Spaces are automatically filled from the . To discard a set of cards, move each card to the reserve pile in the lower left. When a 10-J-Q-K set is formed, or when cards of 9 or under add to 15, the cards are automatically discarded to the pile. Any number of cards of 9 or under can be used to make a set that adds to 15. As a shortcut, pairs of cards that add to 15 (9-6, 8-7) can be discarded by dropping one on the other. At the start of the game 1 card is dealt face up to each pile.|
|•|| (face down, left) - fills spaces in the .|
|•|| (far right) - Where paired cards go out of play.|
|•|| (lower left) - where sets of cards are formed.|
|•||10-Jack-Queen-King, any number of cards of 9 or less that add to 15|
Fifteens is a classic game of addition.