Obtain Max Nova Bombs in Corneria
Score at least 90% on Corneria
Complete Corneria with full shields in one life
Score 100% on Corneria
Complete the Asteroid Belt with Max Nova Bombs
Score at least 90% in the Asteroid Belt
Complete the Asteroid Belt with full shields in one life
Score 100% on the Asteroid Belt
Enter the Bonus Stage with at least 1 min left
Score at least 70,000
Score at least 150k