Upon entering Tourian, you'll immediately encounter your first Metroids. These jellyfish-like creatures are immune to all beam weapons except the Ice Beam. If a Metroid latches onto Samus, it will rapidly drain her energy. To remove a latched Metroid, quickly enter Morph Ball form and drop a Bomb.
Metroid Strategy:
- Freeze with Ice Beam: Hit the Metroid with the Ice Beam to freeze it solid.
- Missile Barrage: While frozen, unleash a barrage of Missiles (or Super Missiles) into it. It takes several Missiles to destroy a Metroid.
- Avoid Contact: Do your best to avoid direct contact with Metroids, as their energy drain is severe.
The corridors of Tourian are designed as a series of Metroid encounters. Take your time, freeze and missile each Metroid, and proceed cautiously. There are also Rinkas (fireballs) that fly across the screen, which can be destroyed with your regular beam. Keep an eye on your energy and missile count, as there are no refills in Tourian until after Mother Brain.