If you are encountering issues with missing text in menus (such as the craft/buy screens), this is a known bug often related to specific graphics drivers:
Castle Crashers is not demanding, but Yuzu defaults may cause glitches. Use these settings: castle crashers yuzu
You can unlock new characters by beating specific bosses or completing the game with different knights. For example, beating the Barbarian Boss unlocks the Grey Knight. If you are encountering issues with missing text
After extensive testing on an RTX 3060 and Ryzen 5 5600X, Castle Crashers on Yuzu runs at a flawless 60 FPS at 4K resolution. The visual clarity is stunning—every hand-drawn line pops, and the magical effects look crisp without the muddy anti-aliasing of the original port. castle crashers yuzu