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