Pokémon Platinum Version Unlockables

Pal Park
To unlock Pal Park you need to see 210 pokemon and defeat the Elite 4. In Pal Park you can Migrate pokemon into your Platinum game (Pokemon gets transferred). In Pal park you can also get some apps and items (from people) after showing them something or doing something.
UnlockableHow to unlock
TiaraHave Leaf Green in GBA slot and talk to a lady in Pal Park.
CrownHave Fire Red in GBA slot and talk to a lady in Pal Park.
Kicthen TimerShow girl a Snorlax
Colour ChangerShow girl a Kelceon
Sky BackgroundTalk to lady upstairs + emerald
deep sea backgroundTalk to lady upstairs with sapphire inserted into gba slot
Fiery Cavern backgroundTalk to lady upstairs with ruby inserted into gba slot
(0.0585/d/web2)