Complete the level 20
Complete the level 8
Complete the 'Nightmare 2'
Complete the intro
Complete the 'Dream 3'
Complete the level 1
Complete the 'Nightmare 1'
Complete the level 18
Complete the level 5
Complete the level 13
Complete the 'Nightmare 3'
Complete the outro
Complete the 'Dream 1'
Complete the 'Dream 2'
Complete the level 10