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

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

As of April 2026, Pokémon Platinum is a highly sought-after collectible, with prices varying based on condition: Estimated Price Complete in Box (CIB) New (Sealed) Authentication Guide for Buyers

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

An expanded post-game facility for high-level competitive battling, replacing the Battle Tower from Diamond/Pearl .