In Portal (and Portal 2), I can get hurt by lasers, bullets, etc. Do I have a finite amount of health that is depleted every time I get singed, or is it a case of sustaining damage for a continuous amount of time resulting in death?

  • 1
    I think its continuous damage = death Oct 8, 2011 at 21:36
  • @fireDude67 I think that's what it is too, but I have no evidence.
    – fredley
    Oct 8, 2011 at 21:38

1 Answer 1


You do have 100 health, only the exact number isn't shown on the HUD.

Continuous damage will kill you, but your health fully regenerates very quickly when you aren't damaged for a bit.

You can observe this in Portal 1 by giving yourself the HEV suit (console command give item_suit, needs sv_cheats to be enabled), which causes your health to be visible.

In Portal 2, issuing ent_dump player after being shot at by a turret displayed the following, so it's pretty safe to assume that it works the exact same way as in 1:

] ent_dump player
  max_health: 100
  health: 10
  • You can't even kill yourself with lasers.
    – GnomeSlice
    Oct 8, 2011 at 21:39
  • @GnomeSlice I'm pretty sure Portal 2's lasers do kill you at some point, if you mash your face into them repeatedly. Maybe it's just the co-op bots, though.
    – a cat
    Oct 8, 2011 at 21:41
  • I've definitely done it for minutes at a time with no exciting results.
    – GnomeSlice
    Oct 8, 2011 at 21:50
  • 14
    I've killed myself with lasers. Oct 8, 2011 at 21:51
  • @GnomeSlice Maybe this was changed in a patch and you tried it before that. Using ent_dump, I've verified that lasers do between 2 and 3 damage.
    – a cat
    Oct 8, 2011 at 21:54

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