ACHIEVEMENT - HOW TO UNLOCK Barren (20 points) - Destroy all mushrooms on the screen in Centipede. Entity (20 points) - Have 3 lives in Millipede. Eradicate (20 points) - Reach wave 8 without a millipede reaching the bottom in Millipede. Exterminate (20 points) - Reach wave 8 without a centipede reaching the bottom in Centipede. Lunatic (20 points) - Score 25,000 points in Millipede on Throttle Monkey mode. Maniac (20 points) - Score over 15,000 in Centipede on Throttle Monkey mode. Marauder (10 points) - Score 125,000 points in Millipede. Poison (20 points) - Destroy a spider for 1800 points in Millipede. Prowler (10 points) - Score over 41,916 to get on the high score table in Millipede. Slayer (10 points) - Score over 16,543 to beat the high score table in Centipede. Spirit (20 points) - Have 3 lives in Centipede. Stalker (10 points) - Score over 50,000 points in Centipede.