Die once.
Complete the Default Chapter
Complete the Ice Chapter
Complete the Water Chapter
Complete the Speed Chapter
Complete the Inverted Chapter
Complete the Final Chapter
Complete the Dark Default Chapter
Complete the Dark Ice Chapter
Complete the Dark Water Chapter
Complete the Dark Speed Chapter
Complete the Dark Inverted Chapter
Complete the Dark Final Chapter
Find your first secret level
Unlock the Hidden Chapter
Complete the Hidden Chapter "Hell"
Complete all Chapters
Complete all Chapters in under 4 hours
Find the First Dark Chapter
Gather all collectables
Pick up your first collectable
Gather 50% of all collectables
Open the map for the first time