ACHIEVEMENT - HOW TO UNLOCK Let's Get Punchy (15 points) - Melee 5 soldiers. Bomba Punter (20 points) - Punt 20 Bombas. My Head A-Splode (20 points) - Get 50 head shots. Make 'Em Scream (20 points) - Get 100 soldiers to scream. To Kill a Blackbird (15 points) - Destroy the helicopter attacking the Vice President. Look Out! (5 points) - Kill a soldier with a Bomba. Walkin' on Water (5 points) - Make it from one end of lake to the other in hyper-Speed. Hero (50 points) - Beat the game on any difficulty setting. Completionist (20 points) - Beat the game with 100% of the items. Minimalist (10 points) - Beat the game with less than 13% of the items. Proven Grounds (10 points) - Beat the Proving Grounds. Serious Complex (10 points) - Reach experience level 50.