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Mission 12 of 15

Marvel Cosmic Invasion: Mission 12: Fort Galactus (Free the Eater of Worlds) walkthrough

Galactus looms in the background and the Silver Surfer attacks three times before the real fight.

  • About 8–10 min in the videos
  • 2 parts · 5 steps
  • 1 boss

Compiled from 3 playthrough videos and 8 guides · checked Oct 19, 2026

0 of 2 done
Video: packattack04082 on YouTube. Loads from youtube-nocookie.com only when you press play.

What each player can do here

P1 · Player 1
  • Cosmic Ghost Rider: the machine guns fire while you hold the button.
P2 · Players 2–4
  • Beta Ray Bill: Stormbreaker can be left spinning in place to keep hitting.

If your skill levels differ: The Outerhaven and TheGameSlayer both found Beta Ray Bill strong in the Surfer fight. How to split the roles

The fort

Part 1 of 2. Survive the first two Surfer encounters.

  1. BothThe Surfer shows up three times; the first two are short, and a mounted turret helps.
  2. BothChallenge: avoid the debris Galactus throws; it marks the ground before it lands.
  3. BothChallenge: ten kills with Cosmic Ghost Rider's guns and five hits with one Stormbreaker throw.

Boss: Silver Surfer

Part 2 of 2. Beat the Silver Surfer for good.

  1. BothKeep moving: Galactus fires waves of lasers and pulls rocks out of the ground in the background, so don't stand in those spots.
  2. BothStay out of line with the Surfer when he fires his hand laser.

Boss

Silver SurferThe herald

  1. Herald: Faster this time, with beams and swoops on his board.
  2. Galactus: Galactus attacks the arena from the background.

Extras and notes

  • Beating him unlocks the Silver Surfer.
Sources (11)

Steps compiled from 3 playthrough videos and 8 text guides, checked Oct 19, 2026, and written in our own words. We did not play the game for this guide. A step marked “single source” rests on one guide so far.