DOOM 3 Hints

What's the keycode to unlock the door to Plasma Storage?

  • 1 of 8: Are you sure you don't already have it in a PDA e-mail or voice log?
  • 2 of 8: If not, you'll have to look around for another PDA.
  • 3 of 8: There's another area that's attached to Maintenance 3.
  • 4 of 8: Look to the left of the Plasma Storage door for a room that has an unlocked door.
  • 5 of 8: The PDA you're after is in the Garage Exit area.
  • 6 of 8: Go down to the lower floor and look behind a stack of two large crates.
  • 7 of 8: Listen to the PDA's audio log to get the code (or read the next hint).
  • 8 of 8: It's 734.