Unlock all combat moves in story mode.
Kill the Laboratory Boss.
Kill 300 soldiers in story mode.
Get spotted by security cameras at least 10 times in story mode.
Kill the Prison Boss.
Finish the game on any difficulty.
Kill 10 soldiers using stealth in story mode.
Kill 10 soldiers using combo attack in story mode.
Finish the game on Veteran difficulty.
Find and collect 36 bonus ulyssium.
Finish all three chapters with combat rank S in story mode.
Kill the Nuclear Base Boss.
