2 Decks. Hard (15%). Skill/Luck balanced.
To move all the cards to the .
|•||8 piles (right) - build from the of first card dealt to the first pile, from King to Ace as necessary, until each pile contains 13 cards.|
|•||12 piles (left of ) - build , from Ace to King as necessary. Only one card at a time may be moved. Spaces are filled from the . At the start of the game 3 cards are dealt face up to each pile.|
|•|| (face down, top left) - turn over 1 card to the by clicking. No .|
|•|| (under ) - top card is available for play on the or .|
Quadrangle is a variation of Corona.