Collect 5 pairs of shoes.
Collect 20 pairs of shoes.
Collect 10 non-default skins.
Don't trip for 50m / 150 ft.
Collect 20 non-default skins.
Don't trip for 200m / 600 ft.
Don't trip for 500m / 1500 ft.
Take 100 steps with dooky on your feet.
Don't trip for 2000m / 6000 ft.
Squish 100 bugs.