Cheats & Guides

Syphon Filter: The Omega Strain Cheats For PlayStation 2

  1. Rating Bonus Weapons

    Ratings earned will come with bonus weapons

    ----Combat Specialist----

    Intermediate (300 kills): G33E
    Advanced (600 kills): FA-MAS
    Expert (900 kills): FAL
    Elite (1300 kills): C8 rifle

    ----Combat Knife Specialist----

    Intermediate (50 kills): Stiletto
    Advanced (100 kills): Shuriken
    Expert (250 kills): IPCA Commando
    Elite (450 kills): VibroBlade

    ----Combat Sharp Shooter----

    Intermediate (200 headshots): Dragunov
    Advanced (450 headshots): AU300 Mod-R
    Expert (750 headshots): ACR
    Elite (1100 headshots): M82 BFG

    ----Non-Lethal Force Specialist----

    Intermediate (50 kills): E.D.T.
    Advanced (100 kills): DormaGen Gas Grenades
    Expert (200 kills): Air Pistol
    Elite (300 kills): E.P.D.D.

    ----Tactical Explosives Specialist----

    Intermediate (100 grenade kills): M61 Frag Grenade
    Advanced (200 grenade kills): Incendiary Grenade
    Expert (350 grenade kills): Sarin nerve agent
    Elite (500 grenade kills): M79

    ----Team Efficiency Specialist----

    Intermediate (2 multiplayer par times): M1 Super 90
    Advanced (4 multiplayer par times): Shot Defender
    Expert (6 multiplayer par times): MDSA3
    Elite (9 multiplayer par times): M-16k

    Contributed by: NightMare185 

  2. Unlockables from Commendations

    Earning the different character's Commendations will net you various weapons. Note: Team missions are need for complete mission sets as well

    Unlockable Unlockable
    Gray, Imani (Complete all objectives for all Carthage missions) 93R
    Xing, Lian (Complete all objevtives for Kyrgystan, Toyko, and Myanmar) China type 67
    Powers, Maggie (Complete all objectives for Minsk) CZ Mach-9
    Logan, Gabe (Complete all objectives for Budva and Ukraine) Desert Express .50
    Ehud Ben Zohar (Complete all objectives for Yemen1 and Yemen2) Desert Sniper .44
    Lipan, Teresa (Complete all objectives for Zurich) G 53
    Mujari, Lawerance (Complete all objectives for Chechnya and the salvage rig) Riot Shotgun
    Stoneman, Gary (Complete all objectives for Italy, Belarus1 and Belarus2) SR-15

    Contributed by: Serge Drago 

  3. Unlockable Medals in Syphon Filter: the mega Strain

    Unlockable Medals and Awards in Syphon Filter: the Omega Strain

    Unlockable Unlockable
    Earn all agency ratings, Special agency ratings, all Commendations, and all othe rmedals of highest rank. Agency Medal of Valor
    Carthage 1 - 3: Protect CHA, and, Carthage 2: Eliminate 4 ALA assassins, and, Carthage 3: rescue injured SWAT people. Carthage Exemplary Sewrvice Tribute
    Belarius 2: destroy SCUD launcher, Yemen 2: Destroy SCUD firing mech., Myanmar: recover flight recorder. Ellison Warner Award
    Earn Carthage Exemplary Service Tribute and the Preident's official liberty award, Zurich: Get Birchim files. Homeland Security Sitation
    Yemen 1 and 2: complete all objectives, Ukraine: bring almia hadadd to safety. Karkadann Alima's Unicorn Charm
    Beat single player mission deadline on all missions Medal of Distinction
    Carthage 3: Complete DPE order on Masson, Italy: Assassinate Dimitribi the bell tower at 3:00pm, Belsarus 1: Eliminate Zhidkov, Khiristan: President's official Liberty award
    Khiristan: Poison Saydamat's water chalice, Myanmar: eliminate Than Maung President's official Liberty award (cont.)
    Kyguristan: Find Yuschenko's papers, Yemen2: get Thae-bok Jon's credentials, Tokyo: upload computer data, Myanmar: find Yong-jon Kim's brief case. Republic of Korea Service award
    All missions. no Collateral Damage, Stone`s Medal of Courage, Carthage Exemplary Sewrvice Tribute, Belarus 1: Escort workers to safety, Lorelie: Rescu South African Freedom Medal
    Lorilie: rescue level 5 salvage personnel. South African Freedom Medal (cont.)
    Rescue and provide cover fre for Stone Ukraine Stone`s Medal of Courage

    Contributed by: doctor_sam 

  4. Medals and Awards

    Complete levels under certain conditions to earn a medal.

    Unlockable Unlockable
    Get all Agency ratings, Special Agency ratings, all commendations, all other medals, and the highest rank Agency Medal of Valor
    Complete all objectives in the Yemin 1 and 2 missions. In the Ukraine mission, get Alima Haddad to safety Alima Karkadann's Unicorn Charm
    Complete all objectives in Belarus 1 and 2, Kyrgyzstan, Minsk, and Ukraine, Photograph Fadhil's files in Yemen 1, find evidence about Niculescu & SF Golden Cross of Russia
    Complate all objectives in Carthage 1-3, Photograph Fadil's files in Yemen 1, Obtain ALA financial records in Zurich Great Lakes Service Medal
    Earn Republic of Korea Service Award, Complete all objectives in Kyrgystan, Tokyo, and Myanmar Kinshi Kunsho: Order of the Golden Dragon
    Earn Karkadann, Alima's Unicorn Charm, Eliminate Zayed Al Dharhiri in Kyrgyzstan Mossad Friend to Peace Medal
    Cure the Omega Strain United Nations Peace Award

    Contributed by: SolidSnake15, homerowedrox 

  5. Rank Award Bonus Weapons

    Unlockable Unlockable
    Deputy Chief of Operations AU300 H-BAR
    Field Officer AU300 Mod-SMG
    Intelligence Agent Combat shotgun
    Investigative Agent G-17
    Chief of Operations GAWS 12 ga.
    Field Research Specialist Jerico-41
    Investigative Officer M16 A1
    Intelligence Supervisor M16 A2
    Intelligence Officer M1911 A1
    Investigative Operations Commander M4
    Investigative Supervisor M4 carbine
    Investigative Research Specialist MAK-10 10mm
    Field Supervisor Mark 23
    Commander in Chief Mark 23 SD
    Field Operations Commander ShotHammer
    Field Analyst Specialist Slug Defender
    Assistant Chief of Operations SlugHammer
    Intelligence Analyst Specialist SP-57
    Investigative Analyst Specialist SSG 550
    Intelligence Operation Commander Stavva M70 B1

    Contributed by: NightMare185 

  6. Special Ratings

    Special ratings issued by doing certain tasks, comes with upgrades and bonus items.

    Unlockable Unlockable
    Maintain Stealth in: Italy, Kyrgyzstan, Yemen1, Minsk, Chechnya, Lorelei, Tokyo, Zurich, and Montenegro. Reward: VSS-DU. Bio-Data Retrieval Expert
    Carthage1: Collect 5 water samples, Perform field autopsy. Beralus 1: Take tissue sample from cow carcass. Beralus 2: Obtain sewage sample. Bio-Data Retrieval Expert
    Minsk: Deploy viral sniffers. Chechnya: Collect tissue sample from villager's body. Reward: Increased Flak Jacket. Bio-Data Retrieval Expert(Cont'd)
    Cure the omega strain C11
    Carthage1: Retrieve Broussard's laptop. Minsk: Download MetaGlobal's records. Tokyo: Upload computer data. Zurich: Access the mainframe computer. Computer Information Expert
    Ukraine: Find Omega Strain DNA code. Reward: UNP 45. Computer Information Expert(Cont'd)
    Earn All Elite ratings, and EDPEE. Reward: SSP 90. Elite Combat Expert
    Kyrgyszstan: Poison Saydahmat's water chalice. Yemen1: Eliminate Yushchenko. Tokyo: Eliminate HNT leader Matsua. Reward: Headshot Lock. Elite Discrete Personnel Elimination Expert
    Beat single player mission deadlines in all missions. Reward: MGL. Field Efficiency Expert
    Beralus1: Eliminate Zhidkov. Beralus2: Destroy communications truck, destroy power substation, shut down gas main, destroy bridge to stop tank. Military Tactics Expert
    Yemen1: Destroy communications equipment. Yemen2: Destroy SCUD firing mechanism. Lorelei: Plant four nukes on the lower levels. Military Tactics Expert(Cont'd)
    Tokyo: Plant C-4 charges on lab floor. Myanmar: Plante four claymores along path, Plant C-4 charges on each log bridge, Plant C-4 on foot bridge. Military Tactics Expert(Cont'd)
    Ukraine: Complete all objectives. Reward: MGL. Military Tactics Expert(Cont'd)
    No player deaths in all missions. Reward: Increased Health. Survival Tactics Expert

    Contributed by: the refridginator, Probester 

  7. Levels

    Getting solo par times for the regluar missions will unlock bonus missions

    Unlockable Unlockable
    solo Par for Lorelei, Tokyo, Myanmar, and Zurich Missions Budva
    solo par for the 2 Yemen Missions and Minsk Chechnya
    solo par for the 3 Cahrtage Missions Italy
    solo par for the 2 Belarus Missions Kyrgystan

    Contributed by: Serge Drago 

Walkthroughs & FAQs

Type Name File Size
Foreign Language Guides Guide and Walkthrough by Gabe_Logan2 247K
Full Game Guides Guide and Walkthrough by SHamman 126K
Full Game Guides Guide and Walkthrough by SFfan 325K
Full Game Guides Guide and Walkthrough by aStROcReEp_2k 280K
Full Game Guides Guide and Walkthrough by Gabe_Logan2 195K
In-Depth Guides Multiplayer Strategy Guide by justanormalgamer 53K
In-Depth Guides No-Microphone Online Play Guide by FighterX0 34K
In-Depth Guides Stealth Missions/Par Times FAQ by VaporFox 77K