Collect all 7 Chaos Emeralds (Level Select Disabled)
Get a Fantastic Result in Casino Zone slots
Reach Hill Top Zone (Level Select Disabled)
Reach Casino Night Zone (Level Select Disabled)
Reach Aquatic Ruin Zone (Level Select Disabled)
Reach Mystic Cave Zone (Level Select Disabled)
Reach Oil Ocean Zone (Level Select Disabled)
Reach Metropolis Zone (Level Select Disabled)
Reach Wing Fortress Zone (Level Select Disabled)
Reach Death Egg Zone (Level Select Disabled)
Defeat Dr. Robotnik in Death Egg Zone! (Level Select Disabled)
Reach Sky Chase Zone (Level Select Disabled)
Get a Perfect Bonus in Act One of Emerald Hill Zone
Get a Perfect Bonus in Act One of Aquatic Ruin Zone
Collect all 67 Rings on Sky Chase Zone without getting hit!
Complete Emerald Hill Zone without pressing Left - triggers at chemical plant (Level Select Disabled)
Collect all 7 Chaos Emeralds while in Emerald Hill Zone
Complete Aquatic Ruin Zone Act 1 without collecting any rings
Complete Death Egg Zone Act 2 in under 2 minutes
Complete the whole game as 'Just Tails' (Level Select Disabled)
Complete Emerald Hill Zone Act 1 without jumping or using spin-dash
Complete an act in under 25 seconds. (Reset from Menu if died)
Defeat a Boss without touching the floor.
Complete Emerald Hill Zone without defeating any enemies (not including Boss) (Reset from Menu) (NO Death)
Attack the Boss in Chemical Plant Zone with Invincibility (not Super Sonic).
Complete Aquatic Ruin Zone without entering the water or dying. (Reset from Menu)
Complete Casino Night Zone Act 1 without collecting a single ring.
Gain 4 1-ups whilst in Hill Top Zone Act 2 (via Rings and 1-up Boxes, NOT score)
Complete Wing Fortress Zone without taking damage. (no Super Sonic) (Reset from Menu)
Complete the whole game without Dying. (Level Select Disabled)
Complete the whole game without Spin Dashing. (Level Select Disabled)
Reach Chemical Plant Zone (Level Select Disabled)