Complete Green Hill Zone without using level select
Complete Marble Zone without using level select
Complete Spring Yard Zone without using level select
Complete Labyrinth Zone without using level select
Complete Star Light Zone without using level select
Complete Scrap Brain Zone without using level select
Defeat Dr Robotnik in Final Zone without using level select
Collect all 6 Chaos Emerald without using level select
Complete the game with all 6 Chaos Emeralds without using level select
Collect 50 rings
Collect 100 rings
Collect 200 rings
Get 150,000 points
Collect 9 lives
Collect your first Chaos Emerald without using level select
Get 300,000 points
Finish Green Hill Zone Act 1 without pressing left or right, taking damage and using the spin dash
Finish Spring Yard Act 2 without pressing left or right, taking damage and using the spin dash
Finish Star Light Zone Act 1 without pressing left or right, taking damage and using the spin dash
Finish Scrap Brain Act 1 without pressing left
Finish Green Hill Zone Act 2 in under 25 seconds
Finish Marble Zone Act 1 in under 30 seconds
Finish Labyrinth Zone Act 1 in under 45 seconds
Finish Green Hill Zone Act 1 in under 30 seconds and with 50 rings