

Eggman and the deity, Chaos, Tails presents his newest invention- the transforming airplane Tornado 2. When Sonic wonders how he will reach the Egg Carrier to stop Dr. Tails, who wishes to impress Sonic, must then race against him to the Chaos Emerald before Sonic gets there first. Eggman come to destroy the world, Tails decides to follow Sonic around and help him take down Eggman and the monstrous Eggcarrier. TailsĪfter Sonic rescues him from the plane crash, and Chaos and Dr. Each stage for Sonic is the classic high-speed race against the clock to reach the end like previous Sonic the Hedgehog games. Now Sonic must set out the rest of the Chaos Emeralds before Chaos absorbs them and destroys the world. Chaos absorbs the Chaos Emerald into his body, and transforms into a more powerful being. Eggman and Chaos who end up stealing the Chaos Emerald.

As Sonic arrives at Tail's workshop to see the Chaos Emerald and help with Tail's destroyed plane, they are attacked by Dr. After Chaos flees, Sonic goes to Emerald Beach the next day to enjoy his vacation when Tails crash lands and Sonic rescues him to see that Tails has found a Chaos Emerald. A liquid-formed monster named Chaos, a fierce deity of destruction that craves Chaos Emeralds to become stronger, attacks and Sonic jumps in to get a little of the action. Sonic just returned from his last adventure when he hears police cars follows them to see what's up. The game was rereleased for PC via Steam in 2011. A version for Xbox Live Arcade and PlayStation Network was released in 2010 that was simply titled Sonic Adventure, though it could be upgraded into Sonic Adventure DX via downloadable content.

An updated version of Sonic Adventure that includes some additional content.
