Equip your helmet for the first time.
Finish Roll's training in Mission 1
Defeat the guardian of the ruins in Mission 3
Have over 1,020,000 zenny
Defeat Jaiwan in 2 or less hits
Find the Missile Launcher in Mission 1
Rescure all 4 pigs and return for your reward in Mission 2
Defeat Tron Bonne in Mission 4
Defeat Tron using only your Buster