Chapter 2: Varia Suit

Go left through 1 door, then use a super missile on the green hatch door to the left. Use another super missile to get through the small space on the left. Move to the left in this room and drop all the way down. Then use the morph ball to get through gap in the wall. Proceed through the super missile door on the right.

Move toward the bottom right corner of this room, shooting the blue button to get through the barrier. Proceed through the next 2 doors on the right. Drop all the way down until you find a door with an orange hatch. Then use bombs on the right side of the room to drop down even farther. Once you're all the way at the bottom, use the super missile door on the left to find an Energy Recharge Station.

Return to the previous room and then continue through 2 doors on the right. As soon as you're through the second door, shoot the ceiling and use wall jumps to ascend. Then go through the super missile door on the right. Shoot the Chozo orb to get the Spazer.

Return to the previous room and drop through the ceiling. Then continue all the way to the right until you find an elevator and take it down to Norfair.

Drop down from the elevator and go through the first missile door on the left to find an Energy Tank.

Drop through the floor just to the left of the Energy Tank, then use the morph ball to get through the small space and go through the door in the bottom left corner of the room. Shoot the top of the barrier in the next room to get through. Then shoot the Chozo orb to find the Hi-Jump Boots.

Go back through the door on the right. Jump up the tall ledges to find a Missile Expansion.

Defeat the enemies in the room, then use a bomb to get through the small space just to the right of the Missile Expansion. Head through the door on the right and then go all the way up toward the elevator and take it back to Brinstar. In the elevator room, use a super missile on the bottom right block of the wall and go through the small space. Proceed through the door in the top right corner of the room. In the next room, shoot the floor right next to the door to drop through. Then use a bomb on the wall next to the gray locked door. Go through the small space and the door in the ceiling.

Proceed to the right and use a bomb in the small space in the floor. Continue right and use the door on the right to find a Save Station. Return to the previous room and then use a bomb on the part of the floor that's decayed. Drop down and go through the door on the right. Defeat all the enemies in this room to continue through the next door on the right. Shoot the ceiling right next to the door and go through the super missile door on the right to find an Energy and Missile Recharge Station. Return to the previous room and use missiles to defeat the Eyedoor and continue to the next room on the right to find the next boss, Kraid.

Samus will take damage if you touch Kraid at all. Kraid can also fire claws from his stomach that can hurt Samus. In the second phase of the battle, Kraid will rise up and Samus will have to jump on platforms to harm him. To damage Kraid, shoot his face with the Spazer, then fire missiles or super missiles into his mouth when he opens it.

After defeating Kraid, move through the door on the right. Shoot the Chozo orb to acquire the Varia Suit.