Complete Green Grove Zone. (No cheats)
Defeat Robotnik in Green Grove without getting hit.
Complete Rusty Ruin Zone. (No cheats)
Complete Spring Stadium Zone. (No cheats)
Complete Diamond Dust Zone. (No cheats)
Complete Volcano Valley Zone. (No cheats)
Complete Gene Gadget Zone. (No cheats)
Complete Panic Puppet Zone. (No cheats)
Collect your first Chaos Emerald.
Collect 100 rings.
Collect 200 rings.
Collect all seven Chaos Emeralds. (No cheats)
Have the maximum of nine extra lives. (No cheats)
Defeat Robotnik one last time with all chaos emeralds and get the best ending. (No cheats)
Defeat Robotnik in Rusty Ruin without getting hit.
Defeat Robotnik in Spring Stadium without getting hit.
Collect a Red Shield powerup.
Collect a Blue Shield powerup.
Collect a Golden Shield powerup.
Have 5 Flickies following Sonic.
Defeat Robotnik in Diamond Dust without getting hit.
Defeat Robotnik in Volcano Valley without getting hit.
Defeat Robotnik in Gene Gadget without getting hit.
Defeat Robotnik in Panic Puppet without getting hit.
Collect 4 Sonic Medals in Green Grove Act 1. (Progress resets on death/special stages)
Collect 3 Sonic Medals in Green Grove Act 2. (Progress resets on death/special stages)
Collect 4 Sonic Medals in Rusty Ruin Act 1. (Progress resets on death/special stages)
Collect 4 Sonic Medals in Rusty Ruin Act 2. (Progress resets on death/special stages)
Collect 4 Sonic Medals in Spring Stadium Act 1. (Progress resets on death/special stages)
Collect 3 Sonic Medals in Spring Stadium Act 2. (Progress resets on death/special stages)
Collect 3 Sonic Medals in Diamond Dust Act 1. (Progress resets on death/special stages)
Collect 4 Sonic Medals in Diamond Dust Act 2. (Progress resets on death/special stages)
Collect 5 Sonic Medals in Volcano Valley Act 1. (Progress resets on death/special stages)
Collect 5 Sonic Medals in Volcano Valley Act 2. (Progress resets on death/special stages)
Defeat Robotnik one last time with all chaos emeralds without getting hit.
Destroy 9 monitors in Green Grove Act 1. (Progress resets on death/special stages)
Destroy 11 monitors in Green Grove Act 2. (Progress resets on death/special stages)
Destroy 5 monitors in Rusty Ruin Act 1. (Progress resets on death/special stages)
Destroy 9 monitors in Rusty Ruin Act 2. (Progress resets on death/special stages)
Destroy 11 monitors in Spring Stadium Act 1. (Progress resets on death/special stages)
Destroy 9 monitors in Spring Stadium Act 2. (Progress resets on death/special stages)
Destroy 4 monitors in Diamond Dust Act 1. (Progress resets on death/special stages)
Destroy 4 monitors in Diamond Dust Act 2. (Progress resets on death/special stages)
Destroy 8 monitors in Volcano Valley Act 1. (Progress resets on death/special stages)
Destroy 10 monitors in Volcano Valley Act 2. (Progress resets on death/special stages)
Destroy 7 monitors in Gene Gadget Act 1. (Progress resets on death/special stages)
Destroy 7 monitors in Gene Gadget Act 2. (Progress resets on death/special stages)
Destroy 6 monitors in Panic Puppet Act 1. (Progress resets on death/special stages)
Destroy 6 monitors in Panic Puppet Act 2. (Progress resets on death/special stages)
Give Tails and Knuckles 50+ rings in Green Grove Act 1.
Give Tails and Knuckles 50+ rings in Green Grove Act 2.
Give Tails and Knuckles 50+ rings in Rusty Ruin Act 1.
Give Tails and Knuckles 50+ rings in Rusty Ruin Act 2.
Give Tails and Knuckles 50+ rings in Spring Stadium Act 1.
Give Tails and Knuckles 50+ rings in Spring Stadium Act 2.
Give Tails and Knuckles 50+ rings in Diamond Dust Act 1.
Give Tails and Knuckles 50+ rings in Diamond Dust Act 2.
Give Tails and Knuckles 50+ rings in Volcano Valley Act 1.
Give Tails and Knuckles 50+ rings in Volcano Valley Act 2.
Earn a continue. (No cheats)
Clear Green Grove Act 1 in under 01:20.
Clear Green Grove Act 2 in under 02:20.
Clear Rusty Ruin Act 1 in under 02:20.
Clear Rusty Ruin Act 2 in under 02:20.
Clear Spring Stadium Act 1 in under 02:10.
Clear Spring Stadium Act 2 in under 02:30.
Clear Diamond Dust Act 1 in under 02:20.
Clear Diamond Dust Act 2 in under 02:00.
Clear Volcano Valley Act 1 in under 02:10.
Clear Volcano Valley Act 2 in under 02:10.
Clear Gene Gadget Act 1 in under 01:50.
Clear Gene Gadget Act 2 in under 02:20.
Clear Panic Puppet Act 1 in under 01:50.
Clear Panic Puppet Act 2 in under 01:30.
Clear the Final Fight in under 04:00.
Reach a score of over a million. (No cheats)
Clear any third act in under 30 seconds. (No cheats)