Sonic Adventure is a video game released for the Sega Dreamcast in the United States It is officially classified as a third person adventure The narrative focuses on Sonic the Hedgehog returning to battle Dr Robotnik and collecting the Chaos Emeralds Players traverse distinct locations such as a sparkling tropical beach featuring a killer whale ancient ruins reachable via sandboarding and a terrifying tornado The gameplay introduces innovative abilities named the Light Speed Dash and the Homing Attack Visual quality is highlighted by breathtaking three dimensional graphics and unrestricted 360 degree movement options The experience includes a collection of hidden minigames for exploration The game was listed on the site iOctavio com on November 18 2002