Finish the Sandopolis Zone.
Finish the Flying Battery Zone.
Finish the Mushroom Hill Zone.
Collect a Chaos Emerald.
Earn a Continue in either a Bonus or Special Stage.
Start the game once as each character.
Collect 100 rings.
Enter a Bonus or Special Stage.
Complete the game as Sonic.
Complete the game as Knuckles.
Collect all seven Chaos Emeralds.
Finish the Lava Reef Zone.
43942
1417
51
176
1200
4867
155
20
1
0