Complete the indicated tasks to unlock the corresponding shoes.

Bare feet: Complete Hell mode.
Blue knee-high boots: Find 9 rabbits.
Brown shoes with long white socks: Find 31 rabbits.
Cowgirl boots: Complete Hard mode.
Green and white armored boots: Find 170 stars and 55 rabbits.
Green elf boots: Get 51 stars.
Purple high heel shoes: Find 7 rabbits.
Red high heel shoes: Find 4 rabbits.
White high heel shoes: Find 2 rabbits.
White high heel shoes and blue leg warmers: Get 41 stars.
White knee-high boots: Find 11 rabbits.
White trainers: Find 21 rabbits.