Sonic Rush

Sonic Rush (ソニック・ラッシュ Sonikku Rasshu) is a 2.5D platformer handheld video game in the Sonic the Hedgehog series for the Nintendo DS. The game was released on November 2005 and was developed by Dimps and Sonic Team. The game capitalizes on the 'dual screen' aspect of the Nintendo DS in multiple ways, utilizing two screens as one extended vertical screen for very steep climbs and drops. Sonic Rush centers around two parallel universes colliding, featuring Sonic the Hedgehog and a new character, Blaze the Cat. They respectively battle Dr. Eggman and a new foe named Dr. Eggman Nega.