Castle Selbst is a game where you solve puzzles to traverse a castle. At the top of each section of the game you will face a tough boss that will challenge you uniquely. CARD COMBAT Cards are one of two ways to fight enemies, allowing you to play with vast bursts of damage and unique effects. Spells are potent and can give you enhanced strength, defense and more. Spells don't come for free though, as in order to play a spell card, you must use Mana, which will only regenerate when standing