Collect all 7 Chaos Emeralds while in Mushroom Hill Zone

Hold 100 or more rings at once in The Doomsday Zone

Beat Mecha Sonic with Knuckles without taking damage

Beat Knuckles with Sonic without taking damage

Destroy 10 Monitors in Flying Battery Zone without death

Collect Fire, Thunder and Water shields

Reach Flying Battery Zone

Reach Sandopolis Zone

Reach Lava Reef Zone

Reach Sky Sanctuary Zone

Reach Death Egg Zone

Catch 50 Rings

Catch 100 Rings

Catch 200 Rings

Get Your First Chaos emerald

Get all Chaos Emeralds

Get 50 Rings and Transform into Super Sonic or Super Knuckles

Complete the Game with Knuckles

Complete the Game with Sonic

As Sonic, Complete Game with all Chaos emeralds