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Chemical and gas grenades

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Icon disambig
For an overview of all grenades, see Hand grenades.
Icon info
This is an overview article which contains background information and cross-game comparisons. For game-specific information and stats, see the articles linked on the right.
Gameplay articles
Fallout 3cutIcon cut Mirelurk bait grenade
cutIcon cut Smoke grenade fo3oaGametitle-FO3 OA
Bio-gas canister fo3plGametitle-FO3 PL
Cryo grenade fo3mzGametitle-FO3 MZ
Fallout: New VegascutIcon cut Gas grenade
Incendiary grenade
Fallout 4Cryogenic grenade
HalluciGen gas grenade
Fallout TacticsAcid grenade
Boom bug
cutIcon cut Chemical grenade
Incendiary grenade
cutIcon cut Smoke grenade
cutIcon cut Tangle grenade
Fallout: BoSIncendiary grenade
Toxic grenade
Fallout ExtremeSmoke grenade
Van BurenBio grenade
Tear gas
 ... 
Gametitle-FO3Gametitle-FO3 PLGametitle-FO3 OAGametitle-FO3 MZGametitle-FNVGametitle-FO4
Gametitle-FO3Gametitle-FO3 PLGametitle-FO3 OAGametitle-FO3 MZGametitle-FNVGametitle-FO4Gametitle-FOTGametitle-FOBOSGametitle-VBGametitle-FOX

Chemical and gas grenades are thrown weapons that appears in all of the Fallout games. Chemical and gas grenades are used to disperse chemical or gas agents, ignite targets or materiel or create smoke as a means of concealment. Due to their varied nature, different grenade models may be more effective against some targets, and less effective against others.

Chemical and gas modelsEdit

Chemical gas grenades are used to deliver or disperse a chemical or biological agent designed to incapacitate or kill. Although most utilize a small explosive charge to disperse the chemical agent, the mode of wounding action is through the agent not the explosive. The chemical agent is usually dispersed by the grenade in a small radius around the grenade, creating a cloud of deadly gas. This cloud of chemical agent will typically remain active for a short time, effecting anything that enters, until it dissipates.

Bio-gas canisterEdit

PulseGrenade
Gameplay article: Point Lookout

This grenade does not explode by itself, but instead releases highly-flammable bio-gas vapors upon hitting the ground. The vapors can then be ignited from a distance with an energy or incendiary weapon, causing the leaking gas to erupt in a spectacular fireball. In this way, they function as portable gas-leaks. Added in the Point Lookout add-on.

Cryo grenadeEdit

CryoGrenade
Gameplay article: Mothership Zeta

Cryo grenades do only one point of damage, but release frigid Liquid Nitrogen upon detonating, freezing any opponents caught in the blast, and rooting them in place for several seconds. Added in the Mothership Zeta add-on.

Mirelurk bait grenadeEdit

FRAGGRENADE
Icon cut contentThe following is based on Fallout 3 cut content and has not been confirmed by canon sources.
Gameplay article: Fallout 3

Mirelurk bait grenades were to be in Fallout 3, but have since been cut from the game. They would've been used to draw mirelurks to the point where they detonated. This allowed you to either distract them, or to lure them into a trap.

Gas grenadeEdit

FRAGGRENADE
Icon cut contentThe following is based on Fallout: New Vegas cut content and has not been confirmed by canon sources.
Gameplay article: Fallout: New Vegas

A non-lethal grenade that lets out a cloud of gas/smoke upon detonation. Whether it was to be used as smokescreen cover or flammable gas is unknown.

Acid grenadeEdit

FoT acid grenade
Mini-FOT LogoThe following is based on Fallout Tactics and some details might contradict canon.
Gameplay article: Fallout Tactics

Acid grenades spray a sticky, corrosive substance upon detonation, dissolving anything caught in its blast. They appear to have increased effectiveness against the metal shells of robotic opponents.

Boom bugEdit

FoT boombug
Mini-FOT LogoThe following is based on Fallout Tactics and some details might contradict canon.
Gameplay article: Fallout Tactics

Boom bugs are mutant ladybugs that are used as improvised toxic grenades. When thrown, upon impact, they explode releasing a cloud of poison gas in the immediate area.

Chemical grenadeEdit

FoT chemical grenade
Icon cut contentThe following is based on Fallout Tactics cut content and has not been confirmed by canon sources.
Gameplay article: Fallout Tactics

The chemical grenade was a combination of the acid grenade and the cut smoke grenade. The gas released was designed to be horribly toxic against organic targets.

Powder bagEdit

Mini-FOT LogoThe following is based on Fallout Tactics and some details might contradict canon.
Powderbag
Gameplay article: Fallout Tactics

Powder bags are improvised thrown weapons that act as stun grenades. They are small bags filled with a chemical powder that can stun the target when the powder is released through the cloth of the bag.

Tangle grenadeEdit

FoT tangle grenade
Icon cut contentThe following is based on Fallout Tactics cut content and has not been confirmed by canon sources.
Gameplay article: Fallout Tactics

The tangle grenade was designed to be able to ensnare personnel with a tangler polymoid. It was planned to be in Fallout Tactics, but was never added.

Toxic grenadeEdit

ToxicGrenade
FOBoSLogoThe following is based on Fallout: Brotherhood of Steel and has not been confirmed by canon sources.

This grenade does very little damage initially, but releases a cloud of poisonous vapours upon detonation, inflicting Poison Damage over time to anyone caught in its blast.

Bio grenadeEdit

Bio grenade
Gametitle-VBThe following is based on Van Buren and has not been confirmed by canon sources.
Gameplay article: Van Buren

Not much is known about this model of bio grenade. While present in the game files of Van Buren, it is effectively unusable so its exact effects are unknown. It can be assumed that it was to release some kind of biological agent upon detonation.

BITE-ME tear gasEdit

Gametitle-VBThe following is based on Van Buren and has not been confirmed by canon sources.
Gameplay article: Van Buren

Tear gas grenades are non-lethal chemical gas grenades used for riot control. They use a noxious chemical agent that irritates the mucous membranes in the eyes, nose, mouth and lungs to induce tears, pain, difficulty breathing, vomiting or even blindness.

Incendiary modelsEdit

Incendiary grenades are used to ignite objects with the intense heat created by a chemical reaction. Typically, the reaction is created by aluminum metal and iron oxide, or by the reaction of white phosphorus and air. Incendiary grenades are usually much more effective against unprotected organic targets.

AN-205 incendiary grenadeEdit

IncendiaryGrenadeFNV
Gameplay article: Fallout: New Vegas

The incendiary grenades that appears in the Mojave Wasteland, release a blast of burning material on detonation, making it especially effective against fleshy foes. Super mutants and robots are significantly less affected by the blast.

Incendiary grenadeEdit

Mini-FOT LogoThe following is based on Fallout Tactics and some details might contradict canon.
FOBoSLogoThe following is based on Fallout: Brotherhood of Steel and has not been confirmed by canon sources.
IncendiaryGrenadeTactics

Incendiary grenades release a blast of burning material on detonation, making it especially effective against fleshy foes. Super-Mutants and Robots are significantly less affected by the blast.

Smoke modelsEdit

Smoke grenades are used as both signaling devices and to provide concealment. A chemical reaction of different agents, when mixed and ignited, produce either colored smoke as a signaling device, or a dense cloud of chemical smoke to screen for concealment.

Smoke grenadeEdit

Icon cut contentThe following is based on Fallout 3 cut content and has not been confirmed by canon sources.
FRAGGRENADE
Gameplay article: Fallout 3

The smoke grenade was planned to be used in Operation: Anchorage, but was cut. Smoke grenades were also planned for Fallout Tactics, but didn't make the cut either.

Mini-FOT LogoThe following is based on Fallout Tactics and some details might contradict canon.
  • For the version that appears in Fallout Tactics, see: Smoke grenade.
Mini-FOT LogoEnd of information based on Fallout Tactics.
Gametitle-FOXThe following is based on Fallout Extreme and has not been confirmed by canon sources.
  • For the version that was to appear in Fallout Extreme, see: Smoke grenade.
Gametitle-FOXEnd of information based on Fallout Extreme.

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