Metroid Prime 3: Corruption
Metroid Prime 3: Corruption

Item Checklist

Complete your item collection in Metroid Prime 3: Corruption. Use this checklist to find every upgrade and hidden treasure for 100% completion.

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Item Checklist

Welcome, bounty hunter, to the definitive item checklist for Metroid Prime 3: Corruption! This section is designed to guide you through every nook and cranny of the galaxy, ensuring you collect all essential upgrades and hidden treasures. Achieving 100% item completion is crucial for unlocking the best endings and truly mastering Samus Aran's final Wii adventure. Use this guide to track your progress and pinpoint any elusive items you might have missed.

Energy Tanks

Energy Tanks are vital for increasing Samus's maximum health, allowing her to withstand more damage from hostile environments and formidable bosses. There are a total of 14 Energy Tanks scattered across the various planets and space stations.

  • Energy Tank 1: Norion - Generator Access
    • Location: After activating the first generator, proceed through the Generator Access tunnel. The tank is plainly visible on a platform above.
    • Strategy: Use your Grapple Lasso to pull down the platform holding the tank.
  • Energy Tank 2: Norion - Maintenance Shaft
    • Location: In the Maintenance Shaft, near the end of your initial visit to Norion.
    • Strategy: After defeating the Mogenar, the path to this tank will open up. It's on a high ledge; use your Screw Attack or a well-timed double jump to reach it.
  • Energy Tank 3: Bryyo - Gel Refinery Site
    • Location: Within the Gel Refinery Site, after acquiring the Plasma Beam.
    • Strategy: Look for a large, frozen door on the upper level. Melt it with the Plasma Beam to reveal the tank.
  • Energy Tank 4: Bryyo - Hidden Caverns
    • Location: Accessed via the Gel Refinery Site, requiring the Morph Ball Bomb.
    • Strategy: In the Gel Refinery Site, find a Morph Ball tunnel hidden behind some destructible crates. Follow it to the Hidden Caverns where the tank awaits.
  • Energy Tank 5: Elysia - SkyTown Central
    • Location: On a floating platform in the vast SkyTown Central area.
    • Strategy: Requires the Screw Attack. Look for a series of platforms leading to a distant, isolated platform.
  • Energy Tank 6: Elysia - Research Facility
    • Location: Inside the Research Facility, accessible after restoring power.
    • Strategy: In the main research chamber, there's a destructible panel on the ceiling. Shoot it to reveal a Morph Ball tunnel leading to the tank.
  • Energy Tank 7: Elysia - Steambot Barracks
    • Location: Within the Steambot Barracks, after defeating the Steamlord.
    • Strategy: After the boss fight, look for a hidden vent on the wall that can be opened with a well-placed bomb.
  • Energy Tank 8: Pirate Homeworld - Command Station
    • Location: In the Command Station, after disabling the force fields.
    • Strategy: On the upper level, there's a console that, when activated, reveals a hidden compartment containing the tank.
  • Energy Tank 9: Pirate Homeworld - Phazon Mining Site
    • Location: Deep within the Phazon Mining Site, requiring the Hyper Ball.
    • Strategy: In a large cavern, there's a Phazon-infused rock formation blocking a Morph Ball tunnel. Use the Hyper Ball to destroy it.
  • Energy Tank 10: Pirate Homeworld - Research Core
    • Location: Near the end of the Research Core, after a series of platforming challenges.
    • Strategy: Look for a series of grapple points leading to a high ledge with the tank.
  • Energy Tank 11: Phaaze - Phazon Core Access
    • Location: In the Phazon Core Access area, shortly after landing on Phaaze.
    • Strategy: This tank is in plain sight, but guarded by several Phazon-enhanced enemies. Clear them out to claim it.
  • Energy Tank 12: Phaaze - Leviathan Seed Chamber
    • Location: Within the Leviathan Seed Chamber, before the final boss.
    • Strategy: On a high platform, requiring careful use of the Screw Attack to reach.
  • Energy Tank 13: G.F.S. Valhalla - Engine Room
    • Location: In the Engine Room of the derelict G.F.S. Valhalla.
    • Strategy: After restoring power to the room, look for a hidden panel on the floor that can be opened with a Morph Ball Bomb.
  • Energy Tank 14: G.F.S. Valhalla - Bridge
    • Location: On the Bridge of the G.F.S. Valhalla, near the captain's chair.
    • Strategy: This tank is behind a destructible wall that requires a Super Missile to break.

Missile Expansions

Missile Expansions increase your maximum Missile capacity by 5 each, allowing you to unleash more powerful attacks. There are a total of 40 Missile Expansions to find.

  • Missile Expansion 1: Norion - Cargo Hub
    • Location: In the Cargo Hub, early in the game.
    • Strategy: On a high ledge, accessible by jumping on the crates.
  • Missile Expansion 2: Norion - Docking Bay 2
    • Location: In Docking Bay 2, after the initial Pirate attack.
    • Strategy: Look for a destructible panel on the ceiling, shoot it to reveal the expansion.
  • Missile Expansion 3: Bryyo - Cliffside Airdock
    • Location: On a ledge overlooking the Cliffside Airdock.
    • Strategy: Use the Grapple Lasso to swing across the gap to the ledge.
  • Missile Expansion 4: Bryyo - Ancient Vestige
    • Location: In the Ancient Vestige, after acquiring the Grapple Lasso.
    • Strategy: There's a grapple point above a crumbling platform. Swing across to reach the expansion.
  • Missile Expansion 5: Bryyo - Gel Production
    • Location: Inside the Gel Production room.
    • Strategy: On a high platform, requiring a well-timed double jump or Screw Attack.
  • Missile Expansion 6: Bryyo - Fireball Chamber
    • Location: In the Fireball Chamber, after defeating the Fission Metroid.
    • Strategy: Look for a hidden Morph Ball tunnel behind a destructible wall.
  • Missile Expansion 7: Elysia - Landing Site
    • Location: On a high platform at the Elysia Landing Site.
    • Strategy: Use the Grapple Lasso on the grapple point above to pull yourself up.
  • Missile Expansion 8: Elysia - Maintenance Bay
    • Location: In the Maintenance Bay, after clearing out the Pirates.
    • Strategy: Find a hidden vent on the wall that can be opened with a Morph Ball Bomb.
  • Missile Expansion 9: Elysia - Conduit Hub
    • Location: In the Conduit Hub, after activating the central conduit.
    • Strategy: On a rotating platform, requiring careful timing to grab.
  • Missile Expansion 10: Elysia - Turbine Chamber
    • Location: Within the Turbine Chamber, after disabling the turbines.
    • Strategy: Look for a small opening in the wall that can be accessed in Morph Ball form.
  • Missile Expansion 11: Pirate Homeworld - Research Wing A
    • Location: In Research Wing A, after dealing with the Metroids.
    • Strategy: On a high ledge, requiring the Screw Attack to reach.
  • Missile Expansion 12: Pirate Homeworld - Generator Core
    • Location: In the Generator Core, after disrupting the power.
    • Strategy: Behind a destructible wall, requiring a Super Missile.
  • Missile Expansion 13: Pirate Homeworld - Phazon Processing
    • Location: In the Phazon Processing area, after activating the machinery.
    • Strategy: On a conveyor belt, requiring quick reflexes to grab before it moves out of reach.
  • Missile Expansion 14: Pirate Homeworld - Storage Depot
    • Location: In the Storage Depot, after clearing out the Pirate forces.
    • Strategy: Look for a hidden compartment in the floor that can be opened with a Morph Ball Bomb.
  • Missile Expansion 15: G.F.S. Valhalla - Bridge Access
    • Location: In the Bridge Access corridor of the G.F.S. Valhalla.
    • Strategy: Behind a locked door that requires a specific console to activate.
  • Missile Expansion 16: G.F.S. Valhalla - Cargo Hold
    • Location: In the Cargo Hold of the G.F.S. Valhalla.
    • Strategy: On a high stack of crates, requiring careful platforming.
  • Missile Expansion 17: G.F.S. Valhalla - Medical Bay
    • Location: In the Medical Bay of the G.F.S. Valhalla.
    • Strategy: Behind a destructible wall that requires a Super Missile.
  • Missile Expansion 18: G.F.S. Valhalla - Crew Quarters
    • Location: In the Crew Quarters of the G.F.S. Valhalla.
    • Strategy: Look for a hidden vent in the ceiling that can be opened with a Morph Ball Bomb.
  • Missile Expansion 19: Phaaze - Phazon Vein
    • Location: Within a Phazon Vein, early on Phaaze.
    • Strategy: On a small, isolated platform, requiring a precise jump.
  • Missile Expansion 20: Phaaze - Core Chamber
    • Location: In the Core Chamber, near the final boss area.
    • Strategy: Behind a Phazon-infused barrier that requires the Hyper Ball to destroy.
  • Missile Expansion 21-40: Various Locations
    • Strategy: The remaining 20 Missile Expansions are often found in less obvious locations, requiring keen observation and the use of all acquired abilities. Many are hidden behind destructible panels (use your Scan Visor to identify them), in Morph Ball tunnels, or on high ledges accessible only with the Screw Attack or Grapple Lasso. Always re-scan areas after acquiring new abilities, as new paths and secrets often become available. Pay close attention to environmental cues like cracked walls or suspicious platforms.

Ship Missile Expansions

Ship Missile Expansions increase your ship's missile capacity by 5, allowing for more strategic bombing runs and environmental interactions. There are a total of 5 Ship Missile Expansions.

  • Ship Missile Expansion 1: Norion - Docking Bay 1
    • Location: In Docking Bay 1, near your Gunship.
    • Strategy: Use your ship's bombs to destroy a cracked section of the floor near your ship.
  • Ship Missile Expansion 2: Bryyo - Landing Site
    • Location: At the Bryyo Landing Site.
    • Strategy: Look for a large, cracked rock formation. Use your ship's bombs to destroy it.
  • Ship Missile Expansion 3: Elysia - Landing Site
    • Location: At the Elysia Landing Site.
    • Strategy: On a high, inaccessible platform. Use your ship's grapple beam to pull down a nearby structure, creating a path.
  • Ship Missile Expansion 4: Pirate Homeworld - Landing Site
    • Location: At the Pirate Homeworld Landing Site.
    • Strategy: There's a large, reinforced door that can only be opened with your ship's bombs.
  • Ship Missile Expansion 5: G.F.S. Valhalla - Exterior Hull
    • Location: On the exterior hull of the G.F.S. Valhalla.
    • Strategy: After acquiring the Ship Grapple, use it to pull open a damaged section of the hull, revealing the expansion.

Energy Cells

Energy Cells are crucial for powering various mechanisms and unlocking new areas. There are 10 Energy Cells to collect.

  • Energy Cell 1: Norion - Generator B
    • Location: Inside Generator B, after defeating the Mogenar.
    • Strategy: This cell is required to power the generator and progress.
  • Energy Cell 2: Bryyo - Gel Refinery Site
    • Location: In the Gel Refinery Site, after activating the main pump.
    • Strategy: It's in a small, flooded room. Drain the gel to access it.
  • Energy Cell 3: Bryyo - Main Reactor
    • Location: In the Main Reactor chamber, after defeating the Helios.
    • Strategy: This cell is required to restore power to the reactor.
  • Energy Cell 4: Elysia - SkyTown Central
    • Location: In SkyTown Central, powering a large gate.
    • Strategy: You'll need to disable the security system to retrieve it.
  • Energy Cell 5: Elysia - Research Facility
    • Location: In the Research Facility, powering a containment unit.
    • Strategy: Solve the puzzle involving the rotating platforms to access the cell.
  • Energy Cell 6: Elysia - Defense Drone Hub
    • Location: In the Defense Drone Hub, powering the main defense system.
    • Strategy: After disabling the drones, the cell becomes accessible.
  • Energy Cell 7: Pirate Homeworld - Command Center
    • Location: In the Command Center, powering the main console.
    • Strategy: Defeat the Pirate Commander to gain access to the cell.
  • Energy Cell 8: Pirate Homeworld - Phazon Processing Plant
    • Location: In the Phazon Processing Plant, powering the processing machinery.
    • Strategy: Navigate the dangerous Phazon-filled areas to reach it.
  • Energy Cell 9: G.F.S. Valhalla - Engine Room
    • Location: In the Engine Room of the G.F.S. Valhalla, powering a critical system.
    • Strategy: Restore power to the room to access the cell.
  • Energy Cell 10: G.F.S. Valhalla - Bridge
    • Location: On the Bridge of the G.F.S. Valhalla, powering the ship's controls.
    • Strategy: This cell is required to reactivate the ship's systems.

Ship Upgrades

These upgrades enhance your Gunship's capabilities, allowing for new traversal options and combat maneuvers.

  • Ship Grapple: Bryyo - Main Reactor
    • Location: Acquired automatically after defeating Helios in the Bryyo Main Reactor.
    • Strategy: This upgrade allows your ship to interact with grapple points in the environment, pulling objects or opening new paths.
  • Ship Missile: Norion - Docking Bay 1
    • Location: Acquired automatically early in the game, allowing your ship to fire missiles.
    • Strategy: Used to destroy specific environmental obstacles and engage in aerial combat.
  • Ship Bomb: Elysia - SkyTown Central
    • Location: Acquired after completing the initial objectives on Elysia and restoring power to SkyTown.
    • Strategy: Allows your ship to drop bombs, useful for destroying cracked ground or specific structures.
  • Ship Boost: Pirate Homeworld - Command Station
    • Location: Acquired after defeating the Omega Pirate and disabling the force fields in the Pirate Homeworld Command Station.
    • Strategy: Enhances your ship's speed and maneuverability, crucial for later aerial sequences.

Visor Upgrades

Visor upgrades provide Samus with enhanced scanning and combat capabilities.

  • Scan Visor: Norion - Docking Bay 1
    • Location: Acquired automatically at the very beginning of the game.
    • Strategy: Essential for scanning enemies, environmental objects, and lore entries. Use it constantly!
  • X-Ray Visor: G.F.S. Valhalla - Medical Bay
    • Location: Found in the Medical Bay of the G.F.S. Valhalla, after restoring power.
    • Strategy: Allows you to see through certain walls and identify weak points on enemies. Crucial for finding hidden items and solving puzzles.

Beam Upgrades

Beam upgrades enhance Samus's primary weapon, granting new attack properties and environmental interaction capabilities.

  • Plasma Beam: Bryyo - Gel Refinery Site
    • Location: Acquired after defeating the Mogenar in the Bryyo Gel Refinery Site.
    • Strategy: Melts ice and deals increased damage. Essential for progressing through frozen areas.
  • Nova Beam: Pirate Homeworld - Research Core
    • Location: Acquired after defeating the Omega Pirate in the Pirate Homeworld Research Core.
    • Strategy: Fires through specific materials and deals massive damage. Required for certain environmental puzzles and late-game enemies.

Suit Upgrades

Suit upgrades enhance Samus's defensive capabilities and environmental resistances.

  • Hazard Shield: Norion - Generator Access
    • Location: Acquired automatically during the initial mission on Norion.
    • Strategy: Provides basic protection against environmental hazards.
  • Grapple Lasso: Norion - Generator Access
    • Location: Acquired automatically during the initial mission on Norion.
    • Strategy: Allows Samus to latch onto grapple points and pull objects.
  • Morph Ball: Norion - Maintenance Shaft
    • Location: Acquired automatically during the initial mission on Norion.
    • Strategy: Transforms Samus into a compact sphere, allowing access to small tunnels.
  • Morph Ball Bomb: Bryyo - Ancient Vestige
    • Location: Acquired after defeating the first Bryyo boss, Rundas, in the Ancient Vestige.
    • Strategy: Allows Samus to drop bombs in Morph Ball form, destroying certain obstacles and enemies.
  • Boost Ball: Elysia - SkyTown Central
    • Location: Acquired after restoring power to SkyTown Central on Elysia.
    • Strategy: Grants a burst of speed in Morph Ball form, allowing for higher jumps and traversing half-pipes.
  • Spider Ball: Elysia - Research Facility
    • Location: Acquired after defeating the Ghor in the Elysia Research Facility.
    • Strategy: Allows Samus to cling to magnetic tracks in Morph Ball form, traversing vertical and inverted surfaces.
  • Screw Attack: G.F.S. Valhalla - Engine Room
    • Location: Found in the Engine Room of the G.F.S. Valhalla, after restoring power.
    • Strategy: Grants temporary invincibility and allows Samus to destroy enemies and certain blocks by spinning through them. Essential for advanced platforming.
  • Hyper Ball: Phaaze - Phazon Core Access
    • Location: Acquired automatically upon entering the Phazon Core Access on Phaaze.
    • Strategy: An enhanced Morph Ball that can destroy Phazon-infused obstacles.

Miscellaneous Upgrades

These are unique upgrades that provide specific abilities or enhancements.

  • Grapple Voltage: Elysia - Steambot Barracks
    • Location: Acquired after defeating the Steamlord in the Elysia Steambot Barracks.
    • Strategy: Allows the Grapple Lasso to conduct electricity, powering certain mechanisms.