Template:Minigame-infobox Metroid is a microgame found in 9-Volt's folder in WarioWare, Inc.: Mega Microgame$!. It is based on the NES game, Metroid.
Gameplay
The objective of the game is to control Samus Aran to fire five missiles at Mother Brain to destroy it. To fire missiles, the player must press 
. They can also press down on the 
to use the Morph Ball form and then press up to return. In levels 2 and 3, Mother Brain shoots projectiles at Samus, which cause a failure if they touch her, but can be destroyed with one missile.
- 1st level difficulty: Samus is not attacked.
- 2nd level difficulty: Mother Brain fires two or three projectiles.
- 3rd level difficulty: Mother Brain fires two or three projectiles.