From Bulbanews, your community Pokémon newspaper.
Password for Ice Gift revealed
Update: Two new passwords were revealed. Blue Key is MS2NT2N5, while TM Return is 8RC84HYC.
Three new downloadable dungeons are now available for Pokémon Mystery Dungeon: Magnagate and the Infinite Labyrinth via the Nintendo eShop. The password for Ice Gift is R2YC2RQH.
||Cliff dungeon where moves can be easily developed
||Dungeon where Kecleon shops appear more easily
||A very difficult and lengthy dungeon
Source for the password