Get golden trophy from any hard map.
Get 6 golden trophies.
Destroy one of each basic enemy type within a single game.
Get trophy from all Maps.
Get all golden trophies.
Finish any hard level with at least 80% of health left.
Get to the end of Arcade mode.
Destroy all enemies in any medium or hard map.
Finish any hard level with full health and without using shields.