Boos are ghost enemies found in the Castle Courtyard and Big Boo's Haunt. When Mario looks at them, they turn invisible. Most Boos drop a Blue Coin upon defeat.

Boo
STROOP- Boo.png
Technical Constants
Object Group General Actor
Actor Group Group 9
Model ID 0x54
Hitbox
Interaction Type Hurtbox
Damage 3
Radius 140
Height 80
Down Offset 0
Code
Initialization Behavior Script [1]
Behavior Code [2]

Locations

The following courses have Boos:

Behavior

References