While the story remains the same, version 2.7 (often associated with the Remastered edition) features:
A new mini-game that exists as a "training" or side-story challenge for the knights. castle-crashers-v2-7
In the ultimate showdown, the knights battle the Dark Wizard across multiple phases—including a balloon-animal form and a final, desperate magical duel. With the Wizard defeated and the Crystal returned, the Kingdom is restored to peace. While the story remains the same, version 2