Collect all high-value score items in the game

Encounter a former S.T.A.R.S. captain.

Use the power of your rock punch to kill 50 enemies.

Killing 100 enemies with the blade launcher.

Fear to death 50 enemies.

Clear Southern Temple in Arcade Mode.

Clear the Entrance to the Netherworld Mission in Arcade Mode.

Defeat Metal Sonic without getting hurt

Destroy Dr. Eggman's final machine

Earn 250,000 Force Points on a single level

Draw the curtain on Sergei's ambition.

Clear all stages on Max Difficulty in the Netherworld Adventures.

Kill 100 enemies using the flame thrower.