Zerline Solitaire

These two-deck solitaire games based on 40 Thieves have a bonus column where you can store cards. All four versions are free-to-play. No in-app purchases.

You can store any four cards in the extra column.

1-CARD - one pass through the deck 1 card at a time.
3-CARD - unlimited passes through the deck 3 cards at a time.
RUSH - Pass through the deck 3 times. 3 cards, 2 cards then 1 card at a time