Area 4 (2)

Roll through the gap, jump up, and use the Spider Ball (a mode allowing Samus to cling to magnetic surfaces) to reach the ceiling.

Bomb the ceiling, roll up through the gap, and jump up the shaft to the top.

Jump to and roll through the gap, and jump up the shaft.

Roll through the gap and shoot the Gryncore (an enemy) to open the door. Go through.

Use the Phase Drift (an ability allowing temporary intangibility) to run right across the collapsing platform, and use the Grapple Beam (a tool for latching onto specific blocks) to reach the block above.

Jump to and roll through the gap to reach the Super Missile Expansion (SM16).

Drop down the shaft, roll through the gap, and jump up.

Use the Grapple Beam to remove the block and roll through the gap.

Run left and drop down to the Save Station. Save your progress, jump up, bomb the floor to the left, and drop down.

Jump left to the gap, roll through to the Teleport Station (a device for instant travel), and warp to the second Teleport Station in the area.

Roll through the narrow passageway and drop down to the bottom. Use the Aeion Energy Orb (a power-up) if you need to and head right.

Use the Phase Drift to shoot the door to the right, jump to and roll through the narrow passageway, drop down, and roll left through the door before it closes again.

Bomb the wall to uncover the Super Missile Expansion (SM17).

Go back through the door, roll through the gap, jump to and roll through the narrow passageway, drop down, head left, and jump and climb the shaft to the Save Station. Save, jump and climb up to the top left door, and go through.

Drop down into the lava, run left, and jump up to the missile expansion (ME55).

Go through the door, roll through the gap under the platform, and drop down.

Jump to the left wall and Screw Attack (a spinning attack) through the blocks above.

Jump to the alcove and use the Spider Ball to attach to the blocks above. Use the bombs to remove the blocks and head up to the Energy Tank (ET7).

Bomb and Screw Attack through the blocks below, drop down, and go through the door.

Run right and jump to the Save Station. Save, drop down, and roll through the narrow passageway on the left wall to the Teleport Station. Warp to the first Teleport Station in Area 5.