Enter a world of strategy and elegance with Castle Solitaire, a refined take on the classic patience game.

Easy to learn but tricky to master, Citadel challenges you to build four royal foundations from the ground up — all while managing your tableau with precision and care.

Perfect for casual players and card game aficionados alike, it’s a quick, relaxing escape that rewards smart moves and sharp thinking.

Features:
- Classic Castle Solitaire gameplay with smooth modern design
- Intuitive controls – tap or drag to play
- Unlimited undo and helpful hints for stress-free play
- Track your stats, win streaks

Whether you have a few minutes or an entire afternoon, Castle Solitaire is your personal kingdom of calm.