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