Castle Crashers is hailed as a nostalgic gem, cherished for its vibrant art style and whimsical humor. Many reviews praise the fun cooperative experience it offers, especially when enjoyed with friends. The Painters Boss Paradise DLC is seen as a welcome addition, though some find the need for more substantial new content. While it offers creative character possibilities, the game's repetitive solo gameplay and control issues were noted as drawbacks. Despite these issues, the overall sentiment is positive, reflecting a beloved classic revisited with modern updates.