Power-up
From Styleguide
power-up
Any item that temporarily gives a character new abilities, new powers, or a statistical bonus.
Capitalize the names of specific power-ups. Refer to game documentation for official names and spellings of power-ups.
Do not use as a generic term for any in-game item.
Example: Mario's power-ups include Fire Flowers, Super Mushrooms and Starmen.
Wrong: powerup, power up, Powerup.
