The 5th Special Stage is crashing the game when you touch any iron ball, cores recommended: PicoDrive or GearSystem.
Defeat Megacrab in Green Hill Zone Act 1 without being hit.
Defeat Gigatron in Burning Hill Zone Act 2 without being hit and super mode off. (Level Select Allowed)
Defeat Metal Sonic in Burning Hill Zone Act 3 without being hit and super mode off. (Level Select Allowed)
Defeat Dr. Robotnik in Burning Hill Zone without being hit. (Level Select Allowed)
Finish Green Hill and all Burning Hill acts.
Defeat Mega Basaran in Roasting Marble Act 1 without being hit. (Level Select Allowed)
Defeat Mega Cater in Roasting Marble Act 2 without being hit and super mode off. (Level Select Allowed)
Defeat Metal Sonic in Roasting Marble Act 3 without being hit and super mode off. (Level Select Allowed)
Defeat Dr. Robotnik in Roasting Marble without being hit. (Level Select Allowed)
Finish all Roasting Marble acts without level select usage.
Defeat Mega Yadrin in Flame Yard Act 1 without being hit and super mode off. (Level Select Allowed)
Finish all Flame Yard acts without level select usage.
Defeat Megajaws in Boiling Labyrinth Act 2 without being hit and super mode off. (Level Select Allowed)
Defeat Metal Sonic in Boiling Labyrinth Act 3 without being hit and super mode off. (Level Select Allowed)
Defeat Dr. Robotnik in Boiling Labyrinth without being hit and super mode off. (2nd form, Level Select Allowed)
Finish all Boiling Labyrinth acts without level select usage.
Defeat Megaorbi in Fire Light Zone Act 1 without being hit and super mode off. (Level Select Allowed)
Defeat Bigbom in Fire Light Zone Act 2 without being hit and super mode off. (Level Select Allowed)
Finish all Fire Light acts without level select usage.
Defeat Dr. Robotnik in Molten Brain Act 1 without being hit and super mode off. (Level Select Allowed)
Defeat Dr. Robotnik in Molten Brain Act 2 without being hit and super mode off. (Level Select Allowed)
Earn 1000 rings in one sitting, and without collecting with Sonic injured.
Collect 3 continues.
Have 10 lives.
Collect the blue emerald.
Collect the yellow emerald.
Collect the pink emerald.
Collect the green emerald.
Collect the red emerald.
Collect the white emerald.
Activate the Super mode.
Finish the game obtaining all flame emeralds.
Defeat Mega Burrobot in Boiling Labyrinth Act 1 without being hit and super mode off. (Level Select Allowed)