A complete walkthrough for Metroid: Other M's Main Sector, detailing enemy encounters, item locations, and boss strategies for the Brug Mass.
Walkthrough
- 1Enter the Main Hangar and initiate an EXAMINE SEARCH on the Federation Emblem.
- 2Proceed to Hangar Access, lock onto the blast door, and open it with a Missile.
- 3In Hangar Shaft, defeat the Reos, then use Search View to target the green light on the grating. Morph Ball under it and climb the ledges, defeating Geemers and more Reos.
- 4Continue through Checkpoint Access, dodging or blasting Skrees.
- 5In Checkpoint Room, defeat the Reos and activate the red terminal to open the door. A restroom is available as a curiosity.
- 6Kick Climb up the broken elevator shaft in Checkpoint Shaft.
- 7In Electrical Access, blast Geemers and proceed through the unlocked door.
- 8In South Bridge, blast Geemers and proceed to the next area.
- 9In South Lift, climb ledges to the top and take the left door.
- 10Save your game and restore energy at Main Sector Nav Booth 1.
- 11Follow Observation Access to the Observation Deck.
- 12Defeat the BRUG MASS: Use Sense Move to dodge its attacks. Adam will authorize the NORMAL MISSILE. Target the eye with Missiles or Overblast. Shatter frozen arms with Missiles. Destroy the eye to defeat the boss.
- 13After the boss, head to Systems Access to turn on the power and receive authorization for NORMAL BOMBS.
- 14Retrace your steps to Observation Access. Deal with Geemers, then roll into the light-colored hatch. Bomb the mesh at the end to find a MISSILE TANK.
- 15Exit through the south door, pass through the Nav Room, drop down the South Lift, and head right across the South Bridge to Electrical Access.
- 16Deal with Geemers. Roll up the tunnel on the left wall, bomb the mesh, and take the ENERGY TANK. Continue right.
- 17In the SYSTEM MANAGEMENT ROOM, destroy the two Fly Pods on the back wall with Missiles each. Access the terminal to restore power.
- 18Backtrack to Checkpoint Room. On the upper floor, behind the glass wall, target the steam vent with a Missile and roll into the tunnel to the far end.
- 19In Main Hangar, grab the MISSILE TANK behind the catwalk and use the terminal to open the door.
- 20In Hangar Access 2, use Kick Jumps to reach the ledge on the left wall. Bomb the grate and roll into the tunnel for a MISSILE TANK. Exit through the back door.
- 21In Hangar Shaft, drop to the bottom. Bomb the small square covering near the front wall for a MISSILE TANK. Beware of Geemers upon exiting. Climb to the top.
- 22Return to Electrical Access and exit through the back door.
- 23In South Bridge, after being dropped into the pit and defeating the Sidehoppers with Overblast, climb the walls to find a MISSILE TANK. Blast the top off the shaft on the left and Kick Jump to the top.
- 24In South Lift, use the lift. Use the terminal to extend ledges, allowing access to a yellow-marked tunnel on the left wall for a MISSILE TANK.
- 25Proceed through the back left door and tunnel to Observation Deck. Adam will task you with surveying Sector 1.
- 26Ride the Observation Lift up and proceed through the back wall door.
- 27In North Passage, blast the dormant Fly Pod in the second vent with Missiles. Kick Jump to the top for a MISSILE TANK.
- 28At North Lift, roll up the ball tunnel bracketing the lift for a MISSILE TANK. Enter the lift.
- 29Explore the right side of the room below the lift. Climb ledges, avoiding Bulls, to reach the top and find an ENERGY PART.
- 30In Elevator Hub Access, defeat the Bulls and survive the ambush by five Sidehoppers.
- 31Enter the MAIN ELEVATOR to Sector 1.
Tips
- Reos are weak and can be destroyed with normal shots.
- Skrees can be dodged or run past at top speed.
- The Brug Mass requires precise timing with Sense Move and the use of Missiles once authorized.
- Overblast is effective against Sidehoppers.
- Bulls release toxic gas when excited or destroyed.
- Missile Tank (Observation Access)
- Energy Tank (Electrical Access)
- Missile Tank (Main Hangar)
- Missile Tank (Hangar Access 2)
- Missile Tank (Hangar Shaft)
- Missile Tank (South Bridge)
- Missile Tank (South Lift)
- Missile Tank (North Passage)
- Missile Tank (North Lift)
- Energy Part (Top of ledges in North Lift area)
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