Syphon Filter: Dark Mirror
- Birds Of A Feather bonus mission
- Successfully complete Story mode on the Normal or Hard difficulty setting to unlock the "Birds Of A Feather" bonus mission.
- Goodnight, Sweetheart bonus mission
- Beat all the time limits in all Training missions to unlock the "Goodnight, Sweetheart" bonus mission.
- Jimmy Zhou's Army bonus mission
- Successfully complete the "Birds Of A Feather" bonus mission to unlock the "Jimmy Zhou's Army" bonus mission.
- Trapped In The Hornets Nest bonus mission
- Get all "Combat Sharp Shooter" patches to unlock the "Trapped In The Hornets Nest" bonus mission.
- Up A Column Without A Paddle bonus mission
- Get all "Elite Weapons Expert" patches to unlock the "Up A Column Without A Paddle" bonus mission.
- AK-47 weapon
- Successfully complete the Headshots goal in Mission 6-1 to unlock the AK-47 in Mission mode.
- FAMAS weapon
- Successfully complete Training Mission 2 in Single Player mode with a time less than 3:00 to unlock the FAMAS weapon.
- M1 Super 90 weapon
- Destroy five DU containers in Mission 4-1 in Single Player mode to unlock the M1 Super 90 in Mission mode.
- M16A2 weapon
- Destroy five DU containers in Mission 4-2 in Single Player mode to unlock the M16A2 in Mission mode.
- M249 SAW weapon
- Successfully complete the "KemSynth Tower" mission with a time less than 2:45 to unlock M249 SAW weapon.
- M4 Carbine weapon
- Destroy five DU containers in Mission 4-3 in Single Player mode to unlock the M4 Carbine in Mission mode.
- M4 Silenced weapon
- Get 10 headshots in Mission 7-1 on the Hard difficulty setting to unlock the M4 Silenced in Mission mode.
- SMAW rocket launcher weapon
- Shoot all the small warheads in Mission 4-3 to unlock the SMAW rocket launcher in Mission mode.
- Shot Defender weapon
- Successfully complete the "Sana Yemen" mission with a time less than 3:40 to unlock the Shot Defender weapon.
- SP57 weapon
- Successfully complete Training Mission 1 in Single Player mode with a time less than 1:35 to unlock the SP57 weapon. To do this, go halfway through the mission until you reach the point where you must use the night vision goggles to find the code and unlock the door. Once you reach this point after crawling through the crawl space, turn right and climb over the crate. Go forward until you fall off, and there will be a crate directly on your right. Climb it and there will be a zip-line that will take you to the end of the mission.
- UNP.45 weapon
- Successfully complete Training Mission 3 in Single Player mode without wasting a shot to unlock the UNP.45 weapon.
- R1 multiplayer rank
- Get 70 kills in Multiplayer mode to get an R1 rank.
- Multiplayer mode weapons
- Achieve the indicated rank or earn the indicated badge in Multiplayer mode to unlock the corresponding weapon in Multiplayer mode:
- 33 SC-1 and SG-76 H-Bar (Snipers): Rank R2
- AR-15 and Draugonov (Snipers): Rank T2
- Claymore Mines: Expert Gadget Expertise badge
- Desert Sniper .357 and SP-57 (Pistols): Rank O3
- Double Sawn-Offs (Pistol): Elite One-Handed Skill badge
- EMP Grenades: Expert Explosive Expertise badge
- EPDD: Elite Hand to Hand Combat badge
- Laser Mines: Elite Gadget Expertise badge
- M16K and Galil (ARs, Full Auto): Rank O2
- M60 E-3 and Chinese Type-56 (HMGs): Rank O1
- M67 Grenades: Elite Explosive Expertise badge
- MDS A3 and Spectre (Full Auto SMGs): Rank R1
- MDS-7 and Ripper (SMGs in pistol slot): Rank T1
- Shot Defender and SPA-12 (Shotguns): Rank R3
- Trip Bar and Ramat (HMGs/ARs): Rank T3
- USAS-12 and Sawed Off (Shotguns): Rank 04