Unlock the following bonuses by performing the corresponding tasks:
BONUS - HOW TO UNLOCK Sonic egg - Collect all five coins in each world to have access to one Sonic egg in every world. Play as Bantam Scrambled - Complete the Save Bantam mission (Blizzard Castle mission 4). Play as Chick Poacher - Complete the Save Chick mission (Dino Mountain mission 4). Play as Rolly Roll - Complete the Save Rolly mission (Pirate Island mission 4). Bonus emblems - Complete one of the following tasks to unlock an emblem: complete all missions with an "S" rank; collect all coins; complete all missions; unlock the entire Egg Gallery.