Bonus levels
Select the beginner difficulty setting and complete all ten levels in World 1 without using any continues to unlock 10 bonus beginner levels. Select the advanced difficulty setting and complete all thirty levels in Worlds 2 through 4 without using any continues to unlock 10 bonus advanced levels. Select the expert difficulty setting and complete all fifty levels in Worlds 5 through 10 without using any continues to unlock 10 bonus expert levels.