"After the final fight between Gadget vs Infinite and the end of the Mobian War, Gadget and his crew heard news that there was Extreme Gear Tournament being held at Golden City! Tails filled in the other three about what Extreme Gear is as he was in the pervious adventure with Sonic and Knuckles. Gadget was interested in entering and so was the rest of the crew, so they headed on over the shop to register!"
"The main prize for the Grand Prix is a Chaos Emerald which the team could use to there advantage, and the one running the show is none other then Dr. Eggman himself! Knowing that Gadget and the others know he was up to no good so things started to heat up!"