You can recite the password in the Password Shrine to get rewards. Enter the password: KIRBYBIRTHDAY.
15 gem apples
You can recite the password in the Password Shrine to get rewards: APPLEJUICE.
15 Gem Apples (European version)
Enter "SWEETGEMZ" as a password at the Password Shrine to get 15 Gem Apples.
15 Rare Fragments (European version)
Enter "RAREPRIZE" as a password at the Password Shrine to get 15 Rare Fragments. Note: This code expires on 7/18/17.
5 Gem Apples (European version)
Enter "BLOWOUTBLAST" as a password at the Password Shrine to get 5 Gem Apples.
Magolor Mod/Skin + 20 Gem Apples
The password is 'Retrasado Magolor' and it will allow you to get a free armor pack from Magolor, which resembles Magolor's outfit. It can be used for all roles. He will also give 20 Gem Apples because he is apparently happy.