Poison
Destroy a spider for 1800 points
Millipede - Default difficulty
20 ✓ August 2nd, 2007
Spirit
Have 3 lives in hand
Centipede - Default difficulty
20 ✓ November 22nd, 2007
Exterminate
Reach wave 8 without a centipede reaching the bottom
Centipede - Default difficulty
20 ✓ November 22nd, 2007
Slayer
Score over 16,543 to beat the high score table
Centipede - Default difficulty
10 ✓ January 1st, 1753
Entity
Have 3 lives in hand
Millipede - Default difficulty
20 
Eradicate
Reach wave 8 without a millipede reaching the bottom
Millipede - Default difficulty
20 
Maniac
Score over 15,000
Centipede - Throttle Monkey mode
20 
Barren
Destroy all mushrooms on the screen
Centipede - Default difficulty
20 
Lunatic
Score 25,000 points
Millipede - Throttle Monkey mode
20 
Stalker
Score over 50,000 points
Centipede - Default difficulty
10 
Prowler
Score over 41,916 to get on the high score table
Millipede - Default difficulty
10 
Marauder
Score 125,000 points
Millipede - Default difficulty
10