Complete Green Hill Zone
Complete Bridge Zone
Complete Jungle Zone
Complete Labyrinth Zone
Complete Scrap Brain Zone
Complete Sky Base Zone and stop Dr. Robotnik's evil plans!
Collect your first Chaos Emerald
Complete the game with all 6 Chaos Emeralds
Complete a Special Stage
Find all the 8 different Special Stages
Collect 100 rings and get a extra life
Collect 4 continues
Use a Shield, Speed Shoes and Invicibility powerups at least once
Reach 50.000 Points
Reach 200.000 Points
Reach 600.000 Points
Complete all the acts from Green Hill Zone without dying
Complete all the acts from Bridge Zone without dying
Complete all the acts from Jungle Zone without dying
Complete all the acts from Labyrinth Zone without dying
Complete all the acts from Scrap Brain Zone without dying
Complete Green Hill Zone Act 1 without jumping
Complete Bridge Zone Act 1 without pressing left a single time
Complete Jungle Zone Act 2 under 1 minute and 5 seconds [Do not use checkpoints]
Complete Labyrinth Zone Act 2 before the drowning counter reaches to 3 [Do not use checkpoints]
Complete Sky Base Zone Act 1 without taking damage [Losing a shield counts]
Beat the game losing LESS than 5 lives