Chapter 1: Ice Beam

After the opening cutscene, you'll go through a tutorial of all of Samus' abilities. Following the next cutscene, use the search view to look at the Galactic Federation ship. Run all the way to the right to encounter the Galactic Federation troops. Use a missile on the door. Go forward through the door, then run right 1 room. Defeat all the enemies after falling down. Use the charge beam to lift the gate. Jump all the way up and take the top right door. Run down the hall and go forward through the door. Go up the stairs and through the nearby door. Jump up and go through the door. Proceed through the next door. Run up the stairs and take the left door. Jump all the way up in this room and take the left door. Proceed through the next 2 doors to encounter the Brug Mass. In the first phase, shoot its eye with the power beam. In the 2nd phase, use missiles on the frozen parts of its body.

Go down through the door. Use the morph ball to go through the crawlspace. Use a bomb to go through the gate and find a Missile Expansion.

Return through the crawlspace. Go down 2 rooms. Fall down all the way and take the door on the right. Go down the stairs and through the door. Use the morph ball to go up the ramp and use a bomb to find an Energy Tank.

Use a bomb to go through the gate. Interact with the terminal. Use missiles to destroy the hives. Then interact with the terminal again. Take the door on the left. Run down through 2 doors. Use a bomb to enter the air vent. Run down to find a Missile Expansion.

Run down and interact with the terminal. Take the door on the right. Proceed right 1 more room. Drop down and run up through the door. Proceed right 1 room. Fall all the way down. Use a bomb to enter the small space in the floor. Here you'll find a Missile Expansion.

Jump all the way up and take the door on the right. Run right 1 room. Run up the stairs and through the door. Jump up and run up 2 rooms. After defeating the enemies, run down and jump up to find a Missile Expansion.

Run up and use first person view to shoot the missile near the ladder. Jump up and interact with the terminal. Go through the left door. Take the elevator. Interact with the terminal. Enter the small space in the left wall to find a Missile Expansion.

Jump all the way up and take the left door. Proceed up 2 more rooms. Take the right door. Go up the elevator. Take the right door. Proceed through the door. Go down the elevator. Jump up in this room to find an Energy Part.

Fall down the left side of the room and take that door. After defeating the enemies, proceed up one more room. Enter the green door. After exiting the elevator, take the door to the right. Continue right 1 more room. Run up and take that door. Use missiles that break the barrier blocking the next door, then head through. After defeating these enemies with missiles, proceed up 2 more rooms. Run forward then climb the ramp that goes around the large vine. Run down the first path and use missiles to go through the nearby door. Continue up 2 more rooms. After defeating all the enemies in this room, take the door on the right. Jump into the small space that's above the glass to find a Missile Expansion.

Proceed through the small space. Run down the stairs and take the right door. Go through the door at the end of the hall. After the cutscene, return to the hall. Go left 1 room. Run up the stairs and take that door. Use a missile to destroy the container in the middle of the room. Use the morph ball to drop down and go through a small space. Take the left door. After the cutscene, run up. Then jump into the small space that's in the left wall. Interact with the terminal, then drop down. Run downward and jump on the platforms to the left to reach a Missile Expansion.

Run up and go through 2 doors. Use missiles to go through the wall behind the waterfall. Head through the small space. Run up, to the right, down, and interact with the terminal. Defeat the nearby enemies, then jump up and go through the door. Enter the small space in the left wall to find a Missile Expansion.

Proceed through the next 2 doors. Use a bomb to enter the left wall. Continue down the corridor and head through the door. Take the door on the left. Check the closet in the corner to find the Accel Charge.

Return to the previous room. Take the other remaining door. Proceed through one more door. Take the door on the right. Jump up and shoot the wires with missiles to drop the elevator. Continue upward and enter the small space in the right wall to find a Missile Expansion.

Go through the left door. Continue through 1 more door. Use a bomb to enter the small space to the right, where you'll find a Missile Expansion.

Fall downward. Defeat the enemies and then use missiles to go through the small space in the left corner, where you'll find a Missile Expansion.

Return through the small space. Run up the stairs and through the door. Use a missile to go through the small space. Run all the way up and then use missiles to continue through the path and enter the small space. After exiting, go through the door on the right. Proceed right 1 more room. Use charge beams to damage the drones in this room. After defeating them, you'll get the Diffusion Beam.

Use missiles to destroy the hives and then interact with the terminal. Run left two rooms. Defeat the enemies in this room with the charge beam. Enter the small space in the left wall. Drop down to head back outside. Run down and enter the small space behind the waterfall. Run up, to the right, jump up, and go through the door. Proceed through the next 3 doors. Enter the small space to the left. Use a bomb to go up and interact with the terminal. Fall down, run up, and use a bomb to enter the small space near the tree. Use missiles to progress through the path. After defeating all the enemies, go through the door. Run up the ramp that's around the tree trunk. Shoot the tentacles with missiles to destroy them. Here you'll find a Missile Expansion.

Jump all the way up and drop down the center of the trunk. Use missiles on the branches in the ceiling to drop the hive. Then use missiles on the enemy in the hive to damage it. After the cutscene, run right, then use a bomb in the upper wall to go through a small space and find an Energy Part.

Run to the right and go up 2 rooms. Run up and then take the door at the end of the right corridor. Drop into the water. Destroy the tentacle with a missile. Then enter the small space in the wall to find a Missile Expansion.

Proceed to the right and shoot the switch with the charge beam. Run back out of the water and hang from the new platform to cross the room above the water. Take the door on the right. Fall down and shoot the switch with the charge beam. Drop into the water, run to the right, and enter the small space in the right wall to find a Missile Expansion.

Use the charge beam on the switch above you to lower the water. Jump up the stairs, cross the platforms to the right, and shoot the switch with the charge beam to raise the water. As the water lowers back down, jump up the right wall. Take the door here. Run toward the left side of the area and jump up the tree. Follow the small space around the perimeter of the area and interact with the terminal. Defeat the new enemy that appears by shooting it's belly with missiles. Then jump up the trees to shoot its back.

After defeating it, jump up and head through the new door. Proceed through the next door. Drop down the stairs and take the nearby door. Run forward, then jump all the way up the walls and shoot the switch with the charge beam. Fall down and use the morph ball to be launched back up. Run down 2 rooms. After defeating the enemies here, take the right door. Proceed down the corridor and take this door. Go up 1 more room. Defeat the large enemy you encounter here. Hang onto the platform on the left wall. Jump on the platform on the tree and progress through the small spaces to find an Energy Tank.

Continue to the left and interact with the terminal to go through the nearby door. Go through the next door, then run up the stairs and take the door on the left side of the room. After the cutscene, progress through 2 doors to take an elevator. Run left and then up through 2 doors. Go right and use a bomb to enter the small space in the wall. Continue through the door and interact with the terminal. Return through the small space and take the nearby door. Continue through the next door. Run right, then up the stairs. After the cutscene, go through the door up the stairs. Continue up 2 more rooms. Turn right and take the door at the end of the hall. Proceed through the next 5 doors. Check the doors in this room to find the Zebesian. After the cutscene, go through the door up the stairs again. Continue up 6 rooms to encounter an army of Zebesians. After defeating them all, return to the briefing room to start a cutscene. While Samus is pinned down, shoot the lizard's tail with missiles to damage it. After the cutscene, run through the door in the top left corner, which will begin another cutscene. Run to the right as far as you can and then enter the small space in the wall ahead of you. Here you'll find an Energy Part.

Drop down, run down the ramp, and run left 1 room. Progress across the platforms, dodging the enemy, and exit the area. In the middle of fighting the enemies, you'll acquire the Ice Beam.