Centipede-Millipede - Platform: Xbox 360

Barren (20):
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Destroy all mushrooms on the screen Centipede: - Default difficulty. 

Entity (20):
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Have 3 lives in hand: Millipede - Default difficulty. 

Eradicate (20):
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Reach wave 8 without a millipede reaching the bottom: Millipede - Default 
difficulty. 

Exterminate (20):
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Reach wave 8 without a centipede reaching the bottom: Centipede - Default 
difficulty. 

Lunatic (20):
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Score 25,000 points: Millipede - Throttle Monkey mode. 

Maniac (20):
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Score over 15,000: Centipede - Throttle Monkey mode. 

Marauder (10):
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Score 125,000 points: Millipede - Default difficulty. 

Poison (20):
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Destroy a spider for 1800 points: Millipede - Default difficulty. 

Prowler (10):
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Score over 41,916 to get on the high score table: Millipede - Default 
difficulty. 

Slayer (10):
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Score over 16,543 to beat the high score table: Centipede - Default difficulty. 

Spirit (20):
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Have 3 lives in hand: Centipede - Default difficulty. 

Stalker (10):
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Score over 50,000 points: Centipede - Default difficulty.