In this version, the climactic showdown with the villainous Cyrus takes place in this alternate dimension, where gravity is distorted and the rules of physics do not apply. This area is unique to Platinum and features the legendary Pokémon Giratina in its exclusive Origin Forme.
But here it was.
Revision 1 retains all the "definitive version" enhancements that Pokémon Platinum introduced over Diamond and Pearl: Pokémon Wiki The Distortion World pokemon - platinum version -usa- -rev 1-