Double Klondike Solitaire

This is a two-deck game of the classic Klondike. All four variations are free-to-play. No in-app purchases.

STRICT - only allow Kings on an empty columns.
RELAXED - allows any card on an empty column.

3-CARD - unlimited passes through the deck 3 cards at a time.
1-CARD - one pass through the deck 1 card at a time.