Pokemon Platinum Version (us) -

Two years passed and then Pokémon Platinum arrived. Platinum is the DS equivalent of a double-dip, and lines right up with Yellow, Nintendo World Report Pokemon Platinum Version Videos for DS - GameFAQs

A new area with gravity-defying mechanics where players encounter Giratina. Pokemon Platinum Version (US)

An expanded post-game facility for high-level competitive battling, replacing the Battle Tower from Diamond/Pearl . Two years passed and then Pokémon Platinum arrived

Faster surfing speed, improved battle animations, and enhanced online features via the Wi-Fi Plaza. and lines right up with Yellow

Due to its high value, counterfeit copies are common. To verify an authentic US copy, look for: Pokémon Platinum Review - Nintendo World Report