Diffusion Beam

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The Diffusion Beam is the only new beam weapon featured in Metroid: Other M. When a Charge Beam hits a wall or an enemy, it will diffuse into several smaller bursts of energy in a much wider radius. This is similar to the Diffusion Missile. When Samus defeats the first encountered FG-1000 turrets, this upgrade will appear in the form of a tiny, rainbow-colored ball. Scanning it gives the name "Details Unknown". Both traits are shared with the Seeker Missile.

Official dataEdit

Nintendo of Europe press releaseEdit

"Then there's the new weapon, the Diffusion Beam, which will scatter Charge Beams after impact and hit additional enemies."

Official Metroid: Other M Web siteEdit

"This upgrade adds some serious fireworks to a well-placed Charge Beam. The energy from the shot will scatter around the point of impact, devastating nearby enemies."


"If you fire a Charge Beam, the beam will scatter around the point of impact."

MOM Samus Screen

Samus Screen

Samus Screen dataEdit

"Effect: Charge Beams will scatter after impact.
Controls: Fire a Charge Beam.


  • In Super Smash Bros. Brawl, R.O.B.'s Final Smash is called the Diffusion Beam. However, instead of firing a powerful beam that explodes, R.O.B. fires a short ranged constant stream of red colored lasers for a short time.
  • The Diffusion Beam is the first beam weapon to only have an effect on charged shots.
  • This is the first beam to be acquired in Metroid: Other M.
  • Interestingly enough, Adam does not comment on the Diffusion Beam at all.


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