Centipede/Millipede (X360)

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.