Complete your first Sector.
Complete all Sectors in one Stage.
Complete all three Stages.
Defeat the final Boss.
Complete any Sector on the Hard difficulty setting.
Complete any Sector on the Brutal difficulty setting.
Get all three hidden Crowns in any Sector.
Use each weapon one time.
Defeat 50 enemies using the Charge Attack.
Complete any Sector by playing with a friend in co-op mode.
String together a Combo of 100 points or more.
Receive the highest ranking Medal on any Sector.
Defeat 10 enemies or more using one Laser shot.
Complete any Sector without getting hit by a single shot.
Complete any Sector without firing a single shot. (Hint: Use the Charge Attack!)