ACHIEVEMENT - HOW TO UNLOCK No Mercy (30 points) - Finish all three chapters with combat rank S in story mode. Martial art Master (20 points) - Unlock all combat moves in story mode. Carnage (20 points) - Kill 300 soldiers in story mode. Path of Justice (20 points) - Finish the game on any difficulty. Path of Revenge (30 points) - Finish the game on Veteran difficulty. Bonus Hunter (20 points) - Find and collect 36 bonus ulyssium. Assassin (10 points) - Kill 10 soldiers using stealth in story mode. Combo Slayer (10 points) - Kill 10 soldiers using combo attack in story mode. Hollywood Star (10 points) - Get spotted by security cameras at least 10 times in story mode. Rank Captain (10 points) - Kill the Prison Boss. Rank Major (10 points) - Kill the Laboratory Boss. Rank Lieutenant Colonel (10 points) - Kill the Nuclear Base Boss.