medieval castle, vibrant colors, cartoon style, cheat codes floating, knights in battle, exaggerated expressions, co-op gameplay, fantasy creatures, magic spells, treasure chests, whimsical armor, side-scrolling action, 2D platformer, enchanted forest background, dynamic lighting, playful atmosphere, hidden Easter eggs, multiplayer fun, secret doors, castle towers, moat with drawbridge, pixel art texture, retro gaming vibe, chibi characters, boss fight, health bar icons, power-up effects, arcade sound effects, split-screen view, action-packed scene, cheat code book, whimsical soundtrack, controller buttons, high score table, fun cheat activation.