Sonic Heroes is an adventure and multiplatform video game in the Sonic The Hedgehog series, developed by Sonic Team and published by SEGA for the Nintendo GameCube, Sony PlayStation 2, Microsoft Xbox and Microsoft Windows PCs.

The player races a team of series characters through levels to amass rings, defeat robots, and collect the seven Chaos Emeralds needed to defeat Doctor Eggman. This game differs from other Sonic games by allowing the player to take control of one of four teams, each with three characters, who each have unique abilities to use. The game received mixed reviews from critics but it performed commercially well, becoming a million-seller and making the best-selling lists for all three of its original platforms.

Join Team Sonic, Team Dark, Team Rose and Team Chaotix in a multiplatform adventure! Run, Fly, use your Power, grind, swing through 7 different levels with unique paths, fighting evil and solving puzzles for each team.

Dr. Eggman has come back to challenge Sonic and crew again to defeat his new scheme. Sonic the Hedgehog, Miles "Tails" Prower, and Knuckles the Echidna gladly accept and race off to tackle the doctor's latest plan. Meanwhile, Rouge the Bat swings in on one of Eggman's old fortresses and discovers Shadow the Hedgehog encapsuled. After an odd encounter, Rouge, Shadow, and E-123 Omega join up to find out what happened to Shadow and to get revenge on Eggman.

At a resort, Amy Rose looks at an ad that shows Sonic in it with Chocola and Froggy, Cheese's and Big's best friends respectively. After getting over boredom, Amy, Cream the Rabbit, and Big the Cat decide to find Sonic and get what they want back. Elsewhere, in a run down building, the Chaotix Detective Agency receive a package that contains a walkie-talkie. Tempting them, Vector the Crocodile, Espio the Chameleon and Charmy Bee decide to work for this mysterious person, so they can earn some money.