Tails's and Eggman's levels are slower and oriented towards multidirectional shooting they are confined to mechs in which they can jump short heights, hover and shoot enemies. Their homing attack can lock on to robots created by Eggman and G.U.N., and they can grind on rails. Sonic and Shadow play fast-paced levels, emphasizing platforming. The two campaigns' stories occur in parallel completing both campaigns unlocks a final story with all six characters, culminating in a final boss fight. Levels have a variety of themes (such as cities, jungles, desert pyramids and outer space), with some followed by boss fights. Each campaign cycles through levels of its three characters, telling different sides of the story. In the Hero campaign, players control Sonic, Tails, and Knuckles, who fight to save the world in the Dark campaign, players control Shadow the Hedgehog, Doctor Eggman and Rouge the Bat, fighting to conquer it. Sonic Adventure 2 is a 3D platform game divided into two campaigns: Hero and Dark. Sonic in City Escape, the first level of Sonic Adventure 2 's Hero story

A downloadable version was released for the PlayStation 3, Xbox 360, and Windows in 2012.

Together, the Dreamcast and GameCube versions sold more than two million copies worldwide. A port for the GameCube was released in late 2001 in Japan and early 2002 in North America and Europe it features improved textures and multiplayer options. It received positive reviews, with praise for its gameplay variety, visuals, and audio but criticism for its camera, voice acting, and plot. It was the final Sonic the Hedgehog game for a Sega console, released in the months after Sega discontinued the Dreamcast and transitioned to third-party development. Sonic Adventure 2 was released in June 2001. Sega announced Sonic Adventure 2 in October 1999 and exhibited it at E3 2000. Its locations were influenced by American locations such as San Francisco and Yosemite National Park. The development team expanded upon the presence of the Chao creatures and other player characters. Sonic Adventure 2 was produced in commemoration of the Sonic series' tenth anniversary and was designed to be faster-paced and more action-oriented than the original. The stories are divided into three gameplay styles: fast-paced platforming for Sonic and Shadow, multidirectional shooting for Tails and Eggman, and action-adventure exploration for Knuckles and Rouge.ĭevelopment began soon after the American release of Sonic Adventure in 1999 and lasted 18 months. It features two good-vs-evil stories: Sonic the Hedgehog, Tails, and Knuckles the Echidna attempt to save the world, while Shadow the Hedgehog, Doctor Eggman, and Rouge the Bat attempt to conquer it. Sonic Adventure 2 is a 2001 platform game developed by Sonic Team USA and published by Sega for the Dreamcast.

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