In Metroid for the NES, there are 8 energy tanks scattered around the world available for collection. Each one increases your health by one health bar, so they are worth gathering. Below is our Metroid Energy Tank guide. The guide is organized by location, and will take you through how to get all Energy Tanks in Metroid.
Brinstar Energy Tank Locations
Brinstar Energy Tank #1
The first tank is located a few hallways to the right of where you begin the game. When you reach the wall where it is necessary to use your morph ball to pass further to the right, you can shoot out a bit of the ceiling. Once that is done, use the ice beam to freeze a nearby falling enemy. Then, by jumping on top of it, you should be able to reach the tank.
Brinstar Energy Tank #2
Go to the bottom of the passage where you get the varia suit, and head right. After a few screens, you will reach what seems like a dead end. Bomb up and go through a secret passage in the right wall, the energy tank awaits you on the other side.
Brinstar Energy Tank #3
When you reach the first vertical blue passage, go up until you reach a door on the right. Enter it and continue straight across the next few passages. Keep heading right, not taking any of the passages that lead downward. After going through two straight passages without any visible obstacles, the energy tank will be in the next room, on a pedestal above lava.
Kraid's Hideout Energy Tank Locations
Kraid's Hideout Energy Tank #1
In the starting shaft, head down until you get to the second red door on the right. Enter it, and continue along until you get to a wall. Shoot the wall, then perform a bomb jump into the hole you just created. Continue on, bombing blocks that get in your way, until you emerge into another room with the energy tank
Kraid's Hideout Energy Tank #2
After you defeat Kraid, there is an energy tank hidden in the lower right wall. You will need the Hi-Jump Boots to get out, so beware of that.
Norfair Energy Tank Locations
Norfair Energy Tank #1
Norfair is divided roughly into two halves, separated by a bombable floor. In the center half, there is a room that looks like a dead-end with some lava on the ground. Enter your morphball and lay a bomb right up against the door. You can now go through the lava below, it won't hurt you. Head to the right, shoot the block in front of you, and fall through. Go through the door on the left. Go across the platform, shoot the block wall in front of you, and use morph ball/bombs to get through. You will then see some vertical pipes, one is the home of an energy tank.
Ridley's Hideout Energy Tank Locations
Ridley's Hideout Energy Tank #1
Go left from the beginning until you get to a room with white blocks. Bomb through the floor, and keep going left. Once you get through the red door at the end of the long hallway, you will notice that there is nearly no way you can get through that little opening at the top of the column blocking it. If you go back and bomb along the floor for a bit, however, you will find a way under the path so you can make it through the red door. Once you get through, you will see the energy tank across the hall. Do not just run towards, it, you will fall through a two block wide gap in the floor. The pit is 8 blocks from the door you came in, so run 7 more, and make the jump to grab the energy tank.
Ridley's Hideout Energy Tank #2
After you defeat Ridley, take the purple door on the left by shooting ten missiles at it and walk along the lava in the next corridor until you come across the energy tank. Be careful, there is one spot in the lava where you cannot walk.
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