Nuts 'n' Bolts (Expert)
Regular Event Stages · Techneurosis · 1/1
Energy200
Clear XP4,000
Base HP400,000
Map length4,500
Max enemies6
Spawn interval0.03s
Enemy traits 
Metal 
Traitless
Metal Traitless Boss
Spawn timeline
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Enemies 4 types
| Enemy | Count | Mag. | HP | Attack | First | Respawn |
|---|---|---|---|---|---|---|
 Metal Cyclone Boss | 1 | 100% | 77,777 | 77,000 | 6.67s | — |
 Super Metal Hippoe | 1 | 100% | 8,000 | 3,000 | 16.67s | — |
 Metal Doge | 3 | 100% | 30 | 2,000 | 23.33s | 5–10s |
| Metal Doge | 5 | 100% | 30 | 2,000 | 60s | 6.67–16.67s |
| Metal Doge | 10 | 100% | 30 | 2,000 | 116.67s | 30–33.33s |
| Metal Doge | 10 | 100% | 30 | 2,000 | 120s | 30–33.33s |
 Ms. Sign | Unlimited | 100% | 10,000 | 1 | 900s | 900s |
HP and attack include the magnification.
EX stages
Clearing it has a 100% chance to open an EX stage.