Unlock Sound Test
Complete the game to unlock the sound test.
100% success rate. 

Secret Stage Mode
After completing all seven special stages, return to the main menu and press Up, L, Down, R, Right, Left.

Unlock Amy
Start a new game and complete all three Acts of Toy Kingdom Zone to unlock Amy.

Unlock Cream
Start a new game and complete all three Acts of Cyber Track Zone to unlock Cream.
0% success rate. 

Unlock Knuckles
Start a new game and complete all three Acts of Sunset Hill Zone to unlock Knuckles.
0% success rate. 

Go to: Sonic Advance 3 Info Page | nGaming Home Page.