Beleaguered Castle is a free online solitaire card game similar to Fortress Solitaire.

In Beleaguered Castle, the four aces are dealt into the foundations, and the remaining 48 cards are dealt into 8 piles containing 6 cards, one to the right and one to the left of the foundations. Only the top card may be moved from each of the piles, and can be used to build up the foundatons by suit, or build down any other pile regardless of suit.

The goal of the game is to move all cards from the piles into the foundations.