These are two deck games similar to 40 Thieves but where the tableau builds down in mixed suit. Only the top card can be moved. All three variations are free-to-play, no in-app purchases.
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: three passes through the deck, 3, 2 then 1 card at-a-time.