Clear GREEN HILL Act 1 within one minute.

Collect all the Chaos Emeralds.

Defeat Egg Dragoon.

Complete all Challenge Acts featuring Sonic's friends.

Defeat Silver.

Get the Red Star Ring by using an Orange Wisp in PLANET WISP Act 2 and reach the goal.

Clear CHEMICAL PLANT Act 2 without entering the water.

Chat with each of Sonic's friends you have saved.

Restore the PLANET WISP Stage Gate.

Get the Red Star Ring atop the highest spot in ROOFTOP RUN Act 2 and reach the goal.

Restore the ROOFTOP RUN Stage Gate.

Restore the CRISIS CITY Stage Gate.

Reach the goal in CRISIS CITY Act 2 without being hit by a tornado-carried cars or rocks.

Defeat Perfect Chaos.

Defeat Shadow.

Restore the SEASIDE HILL Stage Gate.

Get the Red Star Ring located in the hidden room in SEASIDE HILL Act 1 and reach the goal.

Restore the CITY ESCAPE Stage Gate.

Wreck 30 or more cars in CITY ESCAPE Act 2.

Get the Red Star Ring located on the shortcut route in SPEED HIGHWAY Act 2 and reach the goal.

Perform all of Sonic's moves in Act 2.

Restore the SPEED HIGHWAY Stage Gate.

Defeat Death Egg Robot.

Pull off a seven or more trick combo or six trick combo ending in a finishing trick.

Defeat Metal Sonic.

Restore the SKY SANCTUARY Stage Gate.

Clear SKY SANCTUARY Act 1 without falling and losing a life.

Restore the CHEMICAL PLANT Stage Gate.

Get Rank S in three Acts.

Defeat 100 enemies.

Find the spring hidden in GREEN HILL Act 1 and reach the goal with a Red Star Ring.

Join the rankings.

Participate in a 30 Second Trial.

Restore the GREEN HILL Stage Gate.

Get Rank S in an Act.

Race through the first stage.

Reach the goal without dropping any of the rings you collected in GREEN HILL Act 1.