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