: A consumable item used to unlock Frostbite Chests in the Glacier biome. 2. Safety & Technology
: Originally found behind an ice wall in Freezeezy Peak , it was part of a scrapped feature called "Stop 'n' Swop" intended to link the original game with its sequel via rapid cartridge swapping. Ice Key
: A craftable item used to activate portals to the Frost World . : A consumable item used to unlock Frostbite