Nostromo Napalmer

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So scared!
The Scout on encountering a Xenomorph

The Nostromo Napalmer is a community-created promotional primary weapon for the Pyro. It is based on the custom flamethrower used on the Nostromo in Alien and Alien: Isolation. The four lighters at the front of the weapon glow in the dark.

This weapon functions identically to the Flame Thrower. However, if the Isolated Merc set is completed, the Nostromo Napalmer does bonus damage to Scouts wearing the complete Isolationist Pack set, with the trade-off of the user taking more melee damage from said Scouts (about 4x for both).

This item was awarded in Genuine quality to players who pre-purchased Alien: Isolation on Steam before October 7th, 2014.

The Nostromo Napalmer was contributed to the Steam Workshop.

Damage and function times

See also: Damage
Identical to: Flame Thrower
Damage and function times
Shot type Particle
Damage type Fire
Ranged or Melee damage? Ranged
Flame damage (close) 100% 6.5-13 / tick
Flame damage (far) 50% 3.25-6.5 / tick
Critical 20-39 / tick
Mini-crit 9-18 / tick
Afterburn 4 / tick
Afterburn (mini-crit) 5 / tick
Function times
Attack interval 0.105 s
Ammo consumption interval 0.08 s
Afterburn duration 4-10 s
Airblast cooldown 0.75 s
Values are approximate and determined by community testing.

Note: Flame damage is proportional to particle lifetime instead of distance from target. Unlike most weapons, Critical hits are also affected by the scaling. Additionally, there is a very slight damage variance (±0.08 / particle) due to differences in particle angles.


Item set

Main article: Item sets
The Isolated Merc
Item icon MK 50.png

Increased Nostromo Napalmer damage against Isolationist Pack set
Increased Melee damage taken from Isolationist Pack set


See also: Crafting


Class Token - Pyro Slot Token - Primary Scrap Metal Possible Results
Item icon Class Token - Pyro.png + Item icon Slot Token - Primary.png + Item icon Scrap Metal.png =
Item icon Backburner.png Item icon Degreaser.png Item icon Phlogistinator.png Item icon Rainblower.png
Item icon Nostromo Napalmer.png Item icon Panic Attack.png Item icon Dragon's Fury.png

Related achievements

Leaderboard class soldier.png Soldier

Backdraft Dodger
Backdraft Dodger
Kill a Pyro who has airblasted one of your rockets in the last 10 seconds.

Leaderboard class pyro.png Pyro

Hot on Your Heels
Hot on Your Heels
Kill 50 enemies with your flamethrower, from behind.

Hot Potato
Hot Potato
Reflect 100 projectiles with your compressed air blast.
Kill a Soldier with a reflected critical rocket.

Mvm navicon.png Mann vs. Machievements

Hard Reset
Hard Reset
As a Pyro, reset the bomb 3 times in a single wave.

Update history

September 17, 2014 Patch
  • The Nostromo Napalmer was added to the game.

September 25, 2014 Patch

  • [Undocumented] Added a kill icon for Nostromo Napalmer.

October 30, 2014 Patch

  • [Undocumented] Removed promo restrictions on Nostromo Napalmer.

December 8, 2014 Patch (End of the Line Update)

  • [Undocumented] Added killstreak and crit glow support to Nostromo Napalmer.

December 17, 2015 Patch (Tough Break Update)

  • The base Flamethrower's damage fall off over distance has been decreased, resulting in higher damage output at range.
  • Extinguishing a teammate will now return 20 health to the Pyro.

January 7, 2016 Patch

  • Changed attribute:
    • [Undocumented] Updated 20 health restoration when used to extinguish a burning teammate from neutral attribute to positive attribute.

January 20, 2016 Patch

  • Fixed the Nostromo Napalmer drawing the flamethrower pilot light by mistake.

July 7, 2016 Patch #1 (Meet Your Match Update)

  • Added: Direct damage reduces Medi Gun healing and resist shield effects by 25%
    • Medics hear a "healing interrupted" sound when this is happening to their heal target.

October 20, 2017 Patch #1 (Jungle Inferno Update)

  • Flamethrowers no longer apply maximum-duration afterburn on contact. Afterburn duration is now based on how long the target is in contact with direct flames.
  • Better visual sync, more consistent (no visuals/damage mismatch).
  • New particle effects.
  • Airblast
    • Hit detection for both players and projectiles is now a consistent cone.
    • Airblasting players now factors in the momentum of the Pyro and target, giving both more control over the interaction.
    • Airblast now causes target player to have reduced footing and air control for a short period.
    • Now factors in the upward angle of the airblast, rather than having a fixed upward force.
    • Total push force slightly increased.

October 30, 2017 Patch

  • Fixed flamethrowers not damaging buildings at close distance.

November 7, 2017 Patch

  • Fixed not seeing the new flamethrower effects on some machines.

March 28, 2018 Patch #1

  • Flame damage per second now ramps up based on density of flame encountered, up to 200%.
  • Initial flame damage per second reduced by 50%, resulting in the max damage being unchanged.
  • Fixed Flamethrower particles sometimes failing to draw on the client.
  • Fixed Flamethrower flames not colliding with tf_generic_bomb entities.

March 28, 2018 Patch #2

  • Fixed a server crash related to the Flamethrower.


  • The Flame Thrower's standard attributes, Afterburn reduces Medi Gun healing and resist shield effects. and Alt-Fire: Release a blast of air that pushes enemies and projectiles and extinguish teammates that are on fire. are missing.



  • "Nostromo" is the name of the freighter that encounters the Xenomorph appearing in the Alien franchise.
  • Napalm is a highly flammable, gelatine-based incendiary that was used during bombing campaigns and is used to fuel flamethrowers since World War II.


See also