Sonic is back and this time he needs the help of all of his friends to defeat the evil Dr. Eggman. In Sonic Advance 3 Sonic and Tails must reunite with their friends Cream Knuckles and Amy. Team up with any of the five characters to gain special attack moves: Sonic increases your speed Tails increases your jump power Knuckles increases your attack power Amy offers the Piko Piko hammer attack and Cream lets you perform a homing attack. With a Game Boy Advance link you and three of your friends can battle it out in multiplayer modes.