Dr. Eggman has used Chaos Control to break the world into 7 parts, and plans to rain confusion by turning each into a Dr. Eggman Empire. Sonic and Tails have to find all 7 Chaos Emeralds and use Chaos Control to return the world to its original statebefore Dr. Eggman perfects his ultimate fighting robot! You'll pick 1 of 5 playable sonic characters, and a second as a partner to help in the quest to bring down the evil Eggman. Gain new abilities based on your partner, and master them all for a variety of exciting adventures. Or, link up Game Boy Advance systems for awesome 2 on 2 team battles.
- Pick from 5 characters -- Sonic and one of his friends will team up for action in 7 game worlds
- Exciting new platforming adventure, as you collect all 7 Chaos Emeralds
- Use Chaos Control to undo Dr. Eggman's mischief -- and gain new abilities based on your partner's skills
- Link up GBA systems to play with up to 4 players in awesome 2 on 2 team battles