Syphon Filter: Dark Mirror cheats and cheat codes for Sony PSP

Unlock bonus missions:

Mission - How to unlock

Birds Of A Feather - Finish Story mode in the normal or hard mode
Goodnight, Sweetheart - Become best in time limits in all Training missions
Jimmy Zhou's Army - Finish the Birds Of A Feather mission
Trapped In The Hornets Nest - Collect all Combat Sharp Shooter patches 
Up A Column Without A Paddle - Collect all Elite Weapons Expert patches


Single player mode unlockables:

Unlock M1 Super 90 weapon:
Blow up 5 DU containers in Mission 4-1 

Unlock M16A2 weapon:
Blow up 5 DU containers in Mission 4-2

Unlock M4 Carbine weapon:
Blow up 5 DU containers in Mission 4-3

Unlock M249 SAW weapon:
Finish the KemSynth Tower mission less than 2:45 minutes

Unlock SMAW rocket launcher weapon:
in Mission 4-3, shoot out all the small war heads 

Unlock Shot Defender weapon:
Finish the Sana Yemen mission less than 3:40 minutes

Unlock FAMAS weapon:
Finish the 2nd training mission less than 3 minutes

Unlock UNP.45 weapon:
Finish training mission 3. without miss a shot