iOS Universal Games
Three games related to FreeCell with the challenging restriction that empty tableau columns can only be filled with Kings. All variants are free to play. No in-app purchases.
PENGUIN - No 'FreeCell' restrictions on group moves.
EMPEROR - There must be enough free cells to make make a group move (a.k.a.supermoves).
OPUS - Emperor with only five free cells.
iOS 11 compatibility update.