To access Santa's Secret Safe, click the ornament in the bottom right corner. Guess the holiday related codes to unlock new festive skins!
Tips:
-Think of popular sayings or holiday related things and songs.
-There are no spaces, numbers, symbols, or capital letters in the codes.
-Most are Christmas oriented, the rest are holidays as a whole.
Here are some codes to get you started! (These are the hardest ones to figure out)
ginger - Unlocks Gingerbread Cannon
nuclearwinter - Unlocks Santa Bomb
freezenova - Unlocks Ice Grenade
Good luck and have a Happy Cannoneer Christmas!