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Pokemon Rumble Blast
Unlike the first Pokemon Rumble, unlockable Pokemon aren't instantly usable in Rumble Blast. They each become usable after you have entered their password, traveled to the specified location, and defeated them in battle.

Japanese Passwords:
Pokemon Password Location
Dialga 9752-8353 3-3
Gallade 9616-8485 4-2
Groudon 7415-3319 1-4
Oshawott 1432-2751 2-4
Pikachu 6715-6555 3-2
Snivy 8590-9413 2-3
Tepig 1906-5834 2-2
Thundurus 2751-4887 3-3
Tornadus 5155-4087 3-2
Victini 7267-3443 2-1
Zoroark 0120-8652 4-1