Given to everyone who finished all the levels in base game

Finish at least one level that is not a tutorial level

Lose 15 times in a row on a single level

Clear 7th level of any chapter wythout dying

Finish at least one full chapter

Buy a rainbow trail

Finish a chapter level without dying

Buy any customization

Finish the tutorial

Finish a level that allows you to pause without actually pausing

Pause exactly 3 times and finish a level