How to play Fort Two decks deal into 10 columns of varying length, all face-up.Build half the foundations up from Ace, half down from King - all by suit.Move single cards or properly suited & sequential groups between columns.Empty columns can hold any card or group. Strategy & tips Don't strand a card mid-rank - both Ace-up and King-down foundations need their pathway.Empty a column early; group moves multiply your power.Relaxed mode allows a wider range of column moves - start there.