2 Decks. Easy (80%). Skill/Luck balanced.
To move all the cards to the .
|•||8 piles (across top) - build the first 4 piles from Ace to King (1 ace of each suit), the last 4 from King to Ace (1 King of each suit).|
|•||20 Piles (below ) - top card is available for play on the only. Building from the is without regard to or . Spaces are filled automatically from the . At the start of the game 1 card is dealt to each pile.|
|•|| (bottom right, face down) - deals 1 card to the pile by clicking. No .|
|•|| (next to ) - top card is available for play on the or . The card must be moved before another card can be moved to the pile.|
|•||The card may be moved to any pile. Cards cannot be moved from one to another.|
Colorado is related to Twenty.