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Nerve gas grenade
GasgrenadeSF2
Informations
Type
Grenade
Fire

1

Damage

5

Magazine/ Capacity

N/A

Max Rounds

10


Description

Primarily used as a stealth weapon against multiple targets, this grenade releases trace amounts of Soman nerve agent into the air. The gas quickly dissipates, but not before rendering victims unconscious. If no antidote is administered, death follows within 15 minutes.

—Syphon Filter 2 Weaponry Screen Description


Syphon Filter

The Nerve Gas Grenade can be used in Rhoemer's Base and Missile Silo. It is great for taking down groups of enemies quickly and stealthily. It is also required to kill Rhoemer in the last level.

Syphon Filter 2

This weapon is found in only one mission, I-70 Mountain Bridge. As with the first game, it is required to proceed through the mission without failing it; in this case, Gabe must use it to take down a bridge bombing commander (although any suppressed weapon would technically work as well).

The nerve gas is also used by The Agency, who attempts to carpet bomb the Colorado Mountains to kill CBDC agents who might have escaped from the C-130 Hercules alive, including Gabe Logan, Jason Chance, John Ramirez and other survivors. As expected any animals and plants that were in the vicinity would also die. Lian Xing sabotages the F-22 Raptors which carried the payload while in McKenzie Air Force Base, stopping the antagonists from carrying out their dastardly scheme.

Syphon Filter 3

This weapon is seen in the Pugari Gold Mine and Pugari Complex. It is not compulsory to complete the mission anymore, making it an optional weapon.

Syphon Filter: The Omega Strain

"Sarin, Isoproposymethylphosphonyl fluoride, is a colourless, odourless gas intended for chemical warfare. It is 26 times more powerful than cyanide and has a lethal dose of only 0.5 milligrams. It is absorbed into the body via the lungs or through the skin and attaches Acethlocholine Receptors, which are responsible for stimulating muscle contractions and respiration. First the victim experiences tightness in the chest, followed by bronchospasm, convulsions, and eventually respiratory failure that causes death. It is commonly known that Saddam Hussein produced mass quantities of Sarin gas and used it on his own people in the 1980's. The US Government classified Sarin as a Weapon of Mass Destruction and used the claim that Iraq still has large quantities as part of their justification for invading Iraq in 2003."

-Weapon description from Syphon Filter: The Omega Strain

The Nerve gas grenades are called the "Sarin nerve agent" and are unlocked by achieving the Expert Tactical Explosive Specialist rating. Because it lingers in the air for a long time, dissipating slower than the DormaGen gas grenades, they are great for killing groups of enemies and bosses without proper protection against the gas.

Trivia

  • In Syphon Filter: The Omega Strain, this weapon was renamed "Sarin nerve agent" to more accurately represent the weapon. In real life, this type of gas grenade would be banned under the Geneva Convention and classified as a weapon of mass destruction, giving it the distinction of being the only weapon in Syphon Filter to exist but not to be allowed for use in the real world.
  • It is generally common knowledge that Saddam Hussein manufactured massive amounts of Sarin and used it against his own people in the 1980's. Subsequently, the USA used the reasoning that Iraq still has significant quantities as part of their justification for invading that country in 2003.
  • In Dark Mirror and Logan's Shadow, it is generally rare to find nerve gas grenades, but the MB-150's X34 gas darts have a similar effect.
  • In Syphon Filter 2, it is used in only one mission, while in Syphon Filter and Syphon Filter 3, it is seen in two missions but nowhere else.
  • Sarin is very lethal even in low concentrations; in fact, it is 26 times more powerful than cyanide. With a lethal dose of only 0.5 milligrams, death can occur from one to ten minutes following direct inhalation of a lethal dose from suffocation, which happens due to lung muscle paralysis, unless some antidotes are instantly administered. Even victims who absorb a non-lethal dosage but fail to receive immediate medical treatment may suffer from permanent neurological damage.
  • It is rather ironic that the reformed Agency would possess such a weapon, given that their main purpose is to stop the spread of these devices.
Main Characters Anton Girdeux  · Edward Benton  · Erich Rhoemer  · Gabriel Logan  · Jonathan Phagan  · Lian Xing  · Mara Aramov  · Thomas Markinson
Minor Characters Alec Kabanov  · Ellis  · Jenkins  · Jorge Marcos  · Pavel Kravitch  · Richard Erikson  · Vince Hadden  · Vladislav Gabrek
Enemies Georgia Street Terrorists  · Flaming Enemy  · Girdeux's Terrorists  · Pharcom Bodyguards
Organizations Black Baton  · CBDC  · Pharcom  · The Agency
Missions Georgia Street  · Destroyed Subway  · Main Subway Line  · Washington Park  · Freedom Memorial  · Expo Center Reception  · Expo Center Dinorama  · Rhoemer's Base  · Base Bunker  · Base Tower  · Base Escape  · Rhoemer's Stronghold  · Stronghold Lower Level  · Stronghold Catacombs  · Pharcom Warehouses  · Pharcom Elite Guards  · Warehouse 76  · Silo Access Tunnels  · Tunnel Blackout  · Missile Silo
Weaponry 9mm  · .45  · Air Taser  · BIZ-2  · C4 Explosive  · Combat shotgun · G-18  · Gas Grenade Grenade  · HK-5  · K3G4 Assault Rifle  · M-16  · M-79  · Nightvision rifle  · PK-102  · Shotgun  · Sniper Rifle
Gadgets Card Key  · Flak Jacket  · Flashlight  · Viral Antigen  · Viral Scanner
Vehicles UH-60 Blackhawk
Conflicts Washington D.C. Attack  · First Investigation of PHARCOM  · Destruction of Rhoemer's Base  · Sabotage of Rhoemer's Cathedral  · Kazakhstan Missile Incident
Transcipts Georgia Street  · Destroyed Subway  · Main Subway Line  · Washington Park  · Freedom Memorial  · Expo Center Reception  · Expo Center Dinorama  · Rhoemer's Base  · Base Bunker  · Base Tower  · Base Escape  · Rhoemer's Stronghold  · Stronghold Lower Level  · Stronghold Catacombs  · Pharcom Warehouses  · Pharcom Elite Guards  · Warehouse 76  · Silo Access Tunnels  · Tunnel Blackout  · Missile Silo
Main Characters Dillon Morgan  · Elsa Weissinger  · Gabriel Logan  · Jason Chance  · Lawrence Mujari  · Lian Xing  · Lyle Stevens  · Mara Aramov  · Steven Archer  · Teresa Lipan  · Thomas Holman  · Thomas Markinson  · Uri Gregorov
Minor Characters Carter  · Colorado Bridge Bombing Commander  · Davies  · Derek Falkan  · Dobson  · Eschelman  · Ferguson  · Gershon  · Imposter Gregorov  · John Ramirez  · Jonathan Phagan  · Kowalski  · Mr. Cochran  · Shi-Hao  · Thompson  · Unnamed Airman  · Unnamed Doctor  · Vince Hadden  · Vladimir Nedobryi
Missions Colorado Mountains  · McKenzie Airbase Interior  · Colorado Interstate 70  · I-70 Mountain Bridge  · McKenzie Airbase Exterior  · Colorado Train Ride  · Colorado Train Race  · C-130 Wreck Site  · Pharcom Expo Center  · Morgan  · Moscow Club 32  · Moscow Streets  · Volkov Park  · Gregorov  · Aljir Prison Break-In  · Aljir Prison Escape  · Agency Bio-Lab  · Agency Bio-Lab Escape  · New York Slums  · New York Sewer  · Finale
Locations Club 32  · McKenzie Airbase  · Rocky Mountains, Colorado
Terrorists Spooks  · Unit one
Multiplayer Abandoned Bank  · Catacombs  · Kazakhstan Warehouses  · New York Garage  · New York Slums  · Park Hedge Maze  · Park Jungle Gym  · Pharcom Expo Center (multiplayer)  · Rooftops (multiplayer)  · Small Village (multiplayer)
Weaponry .45  · 9mm  · 12 Gauge  · Air Taser  · BIZ-2  · C-4 Explosive  · Combat Knife  · Crossbow  · G-18  · H11  · Hand Taser  · HK-5  · Incendiary Grenade  · K3G4 Assault Rifle  · M-16  · M-79  · Nerve Gas Grenade  · Nightvision rifle  · PK-102  · Sniper Rifle  · Tear Gas Launcher  · The Flame-Thrower  · UAS-12  ·
Gadgets Binoculars  · Camera Scrambler  · Cellular Modem  · Flak Jacket  · Flashlight  · Nightvision Goggles  · Transponder Locator
Vehicles C-130 Hercules  · F-22 Raptor
Conflicts Raid on the C-130 Wreckage  · Escape from Mackenzie Air Force Base  · Second Investigation of PHARCOM  · Meeting with Uri Gregorav imposter  · Rescue of Uri Gregorav  · Search for Syphon Filter antidote  · Escape from New York City
Main Characters Gabriel Logan  · Lian Xing
Minor Characters Ellis  · Nigel Cummings  · Silvers
Missions Hotel Fukushima  · Costa Rican Plantation  · C5 Galaxy Transport  · Pugari Gold Mine  · Pugari Complex  · Kabul Afghanistan  · S.S. Lorelei  · Aztec Ruins  · Waterfront  · Docks Final Assault  · Convoy  · The Beast  · Australian Outback  · St. George Australia  · Paradise Ridge  · Militia Compound  · Underground Bunker  · Senate Building  · DC Subway
Weaponry .45  · 9mm  · Air Taser  · AU300 Heavy Barrel  · BIZ-2  · Combat Knife  · Crossbow  · Falcon  · G-18  · H11  · HK-5  · K3G4  · M-16  · M-79  · MARS  · Nightvision rifle  · PK-102  · Shotgun  · Spyder  · Tear Gas Launcher  · UAS-12
Multiplayer maps Afghanistan  · Computer center  · Izmalavio Park  · McKenzie Air Force Base  · Paradise Ridge  · Rhoemer's Stronghold  · S.S. Lorelei  · Training Simulator  ·
Multiplayer characters Agency operative  · Anton Girdeux  · Bag Lady  · CBDC operative  · Corpse  · Elsa Weissinger  · Erich Rhoemer  · Evil scientist  · Gabe Logan  · John Ramirez  · Jonathan Phagan  · Jorge Marcos  · Lawrence Mujari  · Lian Xing  · Mara Aramov  · Military Police  · Monk  · Ninja Gabe  · Russian Bodyguard  · Spook  · SWAT Officer  · Teresa Lipan  · Terrorist  · Unit One  · Uri Gregorov  · Virtual test subject  · Vladislav Gabrek
Minigame types Assassination  · Biathlon  · Demolition  · Elimination  · Thief
Minigame maps China Exhibit  · Colorado Bridge  · D.C. Subway  · Military Base  · New York Slums  · Phagan's Warehouse  · Rhoemer's Fortress  · Washington Park  · Whispering Woods Mortuary
Conflicts Assassination of Shi Hao  · Costa Rican Incident  · Investigation of Pugari Complex  · Soviet-Afghan War  · First Destruction of the SS Lorelei  · Investigation of Erich Rhoemer  · Abduction of Elsa Weissenger  · Assassination of Commander Silvers  · Paradise Ridge Incident  · Attempted Apprehension of Mara Aramov
Main Characters Gabriel Logan  · Lawrence Mujari  · Lian Xing  · Mara Aramov  · Teresa Lipan
Minor Characters Alima Haddad  · Andre Proust  · Elsa Weissinger  · Gary Stoneman  · Gina Hunter  · Imani Gray  ·Jean Fournier  · Maggie Powers  · Mikhail Pulikovsky  · Mikhas Ivankhov  · Oleg Petrenko  · Rodion Ushakov  · Soren Masson  · Vladik Savin  · Vladimir Zhidkov  · William Crusher  · Yegor Leonov  · Yuschenko
Missions IPCA European Command: Training Centre  · Carthage, Michigan: Quarantine Zone  · Carthage, Michigan: Warehouse District  · Carthage, Michigan: Carthage Mall  · Pescara, Italy: St Cetteo's Square  · Mazyr, Belarus: Krivorozhstal Mill  · Mazyr, Belarus: Belaya Vezha  · Tash, Kumyr, Kyrgysztan: Saydahmat's Village  · Sana'a, Yemen: Arms Bazaar  · Sana'a, Yemen: Taherir Palace  · Minsk, Belarus: International University  · Samaschki, Chechnya: Ivankov's Home  · North Atlantic: Lorelei Salvage Rig  · Tokyo, Japan: Murukawa Tower  · Taguang, Myanmar: Irawaddy Basin  · Zurich, Switzerland: Niculescu Funds Tower  · Budva, Montenegro: Niculescu's Villa Estate  · Kiev, Ukraine: Chechen Terrorist Base
Organizations IPCA
Weaponry Beta Weapons  · C11  · China Type 56  · Combat shotgun  · FAL  · FAMAS  · G 33E  · GAWS 12 gauge  · K-BAR  · M1 Super 90  · Riot shotgun  · Shot Defender  · ShotHammer  · Silenced . 44  · Slug Defender  · SlugHammer  · SPA-12 shotgun  · SPA-15 shotgun  · Stava M70 B1  · SSG 550  · Sweeper 12 gauge
Conflicts ALA Assault on Carthage  · Assassination of Dimitri  · Sabotage of CDP Operations  · Transaction on Kyrgysztan  · Assault on Yemen  · Raid on Jandran's Labs  · Investigation of Chechen Genocide  · Second Destruction of the SS Lorelei  · Assault on Murukawa Industries  · Recovery of Imani Grey  · Raid on Meta Global Headquarters  · Raid on Niculescu's Estate  · Showdown with the CDP  · Assassination of Mara Aramov and Elsa Weissenger
Main Characters Gabriel Logan  · Lawrence Mujari  · Lian Xing  · Teresa Lipan
Weaponry K-BAR  · SG-10 Bolt Pistol  · Silenced . 44  · SSP 90
Missions
Act I. Cargo Hold 5 Pirates of Somalia  · Going Under  · Ocean's Five  · Sea of Darkness
Act II. Terminal Drift What Lies Below  · Depths of Darkness  · Dead Currents  · Drowning
Act III. Crimson Flood Missing Friends  · Found Enemies  · Nowhere To Run
Act IV. Tyorma Redemption Trinidad  · Into The Cold  · Deadly Cargo
Act V. Shifting Sands Operation Canyon Storm  · Our Hidden Past  · Desert Flames
Act VI. Shattered Destiny The Long Descent  · Powerless  · Disintegration  · Leading The Blind  · With Violent Intent
Bonus missions Killing Time  · Lian's First Time  · Shadowed  · Behind The Scenes  · Left Behind
Multiplayer maps Canyon  · Casino  · Depot  · Detroit  · SRefinery  · Shanty town  · Village
Multiplayer modes Free for all  · Retrieval  · Rogue agent  · Team deathmatch  · Sabotage
Conflicts Assault on the St. Helens  · Raid on the St. Helens' Wreckage  · Spetsnaz Incursion on Azerbaijan  · Escape from Gebel Tyorma  · Raid on Bitar's Bunker  · Faceoff with al-Jamil  · Assassination of Qwan Tak
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