On certain levels I encounter these glowing orbs in DOOM. I can't pick them up, nor can I interact with them.1 However, they seem tactically placed so I'd guess they do have a purpose.

Glowing orb in DOOM

1 As pointed out by Timmy Jim these items can be picked up - in my case the inventory for this specific item was full.

1 Answer 1


That is BFG-9000 ammo. It took me a while to realize this as well, probably because I didn't have the BFG yet, or my BFG ammo was full when I first encountered one, and so couldn't pick it up.

Do you have the BFG-9000 yet? Once you have it, and need ammo, you can pick these up for it.

  • 1
    Oh, that makes sense! I already forgot I got that gun, because it's not in your standard weapon cycle (gotta press T to use it). Thanks! Feb 1, 2017 at 13:31
  • I actually thought they were grenade ammo, but this makes sense. Thanks Timmy. Feb 1, 2017 at 14:16
  • @Kaizerwolf I believe grenades regenerate overtime and there are no pickups for them.
    – Timmy Jim
    Feb 1, 2017 at 14:23

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