You lost all your lives before the third wave

You achieved your first perfect wave

You achieved four perfect waves in a row

You got your ship to its maximum fire power level and transformed a shot orb into an energy one

You got your ship to its maximum missile capacity and collected a missile orb

You contimued the game after losing all your lives

You continued until you exhausted all your credits

You got into the original highscore table

You completed the first mission with the Vulxen 77

You completed the first mission with the Lexus 69

You completed the first mission with the Gyxuss 82

You completed the first mission without losing a single life

You completed a mission with a Rank B or higher

You completed a mission with an accuracy of 50% or better

You completed the second mission

You destroyed the final boss in its hive

You completed a mission without collecting a shield orb