2 Decks. Easy (98%). Mostly Skill.
To group all the cards in sets of 13 cards in sequence from King to Ace.
|•||9 piles - build . Groups of cards in sequence may be moved as a unit. Groups of cards in sequence may be moved as a unit if there are enough free that the cards could be moved individually. A space can be filled by any card or legal group of cards. At the start of the game 6 cards each are dealt to the first 5 piles, 5 cards each to the remaining piles. The top card is face up.|
|•|| (top left, face down) - deals 1 card to each pile by clicking. All tableau piles must be filled before dealing.|
|•||4 , the "Trapdoors" (left) - Only 1 card allowed in each . Any available single card can be moved here.|
|•||Whenever a sequence of 13 cards from King to Ace is formed, it will automatically be removed from play.|
|•||Same suit sequences should be preferred even though building is . The object is to build sequences.|
Trapdoor Spider is a variation of Spider. Trapdoor Spider was invented by Thomas Warfield.