Sonic Rush is a 2D side-scrolling platform game co-developed by Sonic Team and Dimps, released by Sega for the Nintendo DS in 2005. It uses a 2.5D style, blending classic 2D gameplay with 3D elements for a unique visual experience. Players can control Sonic the Hedgehog or new character Blaze the Cat, each with distinct abilities. The goal is to collect Chaos Emeralds and Sol Emeralds, and defeat the evil Dr. Eggman and his parallel-world rival Eggman Nega. Its clever level design leverages the DS’s dual screens, letting characters move freely between the top and bottom displays to boost flow and speed. It also introduces the Tension Gauge system: players fill the energy bar by performing air tricks or defeating enemies, then use boosts on demand to amp up the game’s pace. The soundtrack, created by Hideki Naganuma and others, blends multiple genres and earned praise from players. Overall, Sonic Rush is a beloved Nintendo DS title thanks to its fast-paced gameplay, innovative dual-screen design, and rich content.