Clear Angel Island Zone

Clear Flying Battery Zone

Clear Hydrocity Zone

Clear Marble Garden Zone

Clear Carnival Night Zone

Clear Ice Cap Zone

Clear Launch Base Zone

Clear Mushroom Hill Zone

Clear Sandopolis Zone

Clear Lava Reef Zone

Clear Hidden Palace Zone playing as Sonic or Tails

Clear Sky Sanctuary Zone

Clear Death Egg Zone

Clear the Game as Sonic

Collect your first Chaos Emerald

Collect all 7 Chaos Emeralds

Collect your first Super Emerald

Collect all 7 Super Emeralds

Clear the Game as Hyper Sonic

Collect 100 Rings

Collect 10 Rings

Collect 200 Rings

Complete Azure Lake in Time Trial Competition in under 30 seconds

Complete Balloon Park in Time Trial Competition in under 50 seconds

Complete Desert Palace in Time Trial Competition in under 40 seconds

Complete Chrome Gadget in Time Trial Competition in under 45 seconds

Complete Endless Mine in Time Trial Competition in under 59 seconds

Complete the Competition Grand Prix in Under 4 Minutes

Clear a special stage with a Perfect

Beat the game as Tails

Beat the game as Super Tails

Beat the game as Knuckles

Beat the game as Hyper Knuckles