Platinum Version (us): Pokemon

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

Pokémon Platinum introduced several refinements over its predecessors to create a more polished experience:

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

Game Report: Pokémon Platinum Version (US) is the definitive "third version" of the fourth generation of Pokémon games, released as an enhanced update to Pokémon Diamond and Pearl . Core Game Information Release Date (US): March 22, 2009. Platform: Nintendo DS. Developer/Publisher: Game Freak / Nintendo. Mascot: Giratina (appearing in its Origin Form ). Region: Sinnoh. Key Features & Enhancements

Faster surfing speed, improved battle animations, and enhanced online features via the Wi-Fi Plaza. Two years passed and then Pokémon Platinum arrived

The regional Sinnoh Pokédex was expanded to 210 Pokémon, allowing players to catch many more species before the post-game.

An expanded post-game facility for high-level competitive battling, replacing the Battle Tower from Diamond/Pearl . Core Game Information Release Date (US): March 22, 2009

A new area with gravity-defying mechanics where players encounter Giratina.