Classic Game Room reviews SONIC ADVENTURE for Sega Dreamcast from Sega released in 1999. Follow Sonic and friends on an adventure that changed the Sonic series for the next decade. While not the first time in 3D, Sonic Adventure blends 3-D style Sonic the Hedgehog gameplay with a variety of other gameplay styles like arcade airplanes shooters, pinball and futuristic driving games. Sega released Sonic Adventure for Xbox 360 Live Arcade and PS3 Playstation 3 Network with HD visuals, here's a look at the original Sonic Adventure on Sega Dreamcast. This CGR review of Sonic Adventure has gameplay from Sonic Adventure showing Sonic Adventure video game play in HD action.