Hard Gameplay: Highlight the "One Player" option at the title screen. Then, hold Square + Circle + L1 + R2 + Select + Up + X. Submission: Al and >Nmargolies@aol.com and <>Justin8661@aol.com Level Select: Pause game play and highlight the "Map" option. Then hold Right + L2 + R2 + Circle + Square + X. Enter the options screen and select "Cheats". Submission: <>Justin8661@aol.com Cheat Mode: Pause game play and highlight the "Weaponry" option. Then hold L2 + Select + Circle + Square + X. A sound will confirm correct code entry. Enter the options screen and select "Cheats". Submission: <>Justin8661@aol.com End level: Pause game play and highlight the "Map" option. Then hold Right + L2 + R2 + Circle + Square + X. A sound will confirm correct code entry. Enter the options screen and select "Cheats". This allows the current mission to be successfully completed. Submission: <>Justin8661@aol.com Super Agent mode: Pause game play and highlight the "Weaponry" option. Then hold L2 + Select + Circle + Square + X. A sound will confirm correct code entry. Enter the options screen and select "Cheats". Submission: <>Justin8661@aol.com Agency Computer Lab multi-player stage: In the second room at the start of the Agency Bio-Lab Escape level, (after receiving the incoming radio traffic) are two vents that you can crawl through. The one on the left is the correct exit out of the Bio-Lab. The other vent leads back the way you came toward the Operating Room where you overheard Dr. Weissinger in the previous level. Head down this second vent back the way that you came from. When you exit the vent, there will be one Unit 1 trooper on the left in an alcove. Run past him down the U-shaped hallway which leads to the Operating Room. You should be able to see the autopsy table through the door. There are three more armored troopers in the operating theater -- one low by the door and two on either side up in the theater seats. Roll into the room past the low trooper. If this is not done, when you get near the door he will run in front of it to block your path. Run immediately toward the table with the computer. Climb up on to the table, and then up onto the balcony (y Submission: <>Justin8661@aol.com Bunker multi-player stage: Find the PK-102 in the Moscow Streets level. There is a point where two cars will try to run you over at the same time, and you have to leap and grab a pole above you to avoid them. After this happens, drop down, and go back and search the two newly crashed cars. Face the tail ends of the cars. The car on the right has the PK-102 inside. Warning: The cars are on fire, so search carefully. Also, after they crash an enemy will get out of each car. At least one of them has a M-79 grenade launcher. Submission: <>Justin8661@aol.com Caves multi-player stage: Find the binoculars in the Colorado Interstate 70 level you must find the Binoculars. They are located behind the first closed door on your left that you reach. Press Triangle to open the door. This reveals a passage. Go left, open another door, and enter the room. The box containing the binoculars is in this room. Submission: <>Justin8661@aol.com D.C. City Park multi-player stage: Find the dirty laundry in the New York City Slums District level in one of the washing machines in the first Sniper Building of the level. This is the building that is similar to the slums district level in multi-player mode. Submission: <>Justin8661@aol.com Disco Underground multi-player stage: In the Disco 32 level, after killing the bodyguard on the catwalk, three more guards will run in the door. Kill all three before they can throw a grenade at you. None of them have flak jackets. When you kick open the doors to the next dance floor with big speakers in the corners, you will need to kill these three guards before the guard above you can throw a grenade. Save your BIZ-2 ammo for him, run to the right, and hide behind the speaker. Kill the two guards on the floor. As the guard above you runs around so he can throw a grenade, use the BIZ-2 for a head shot. He does have a flak jacket. Submission: <>Justin8661@aol.com Jungle multi-player stage: Kill Archer at the very end of the C-130 Crash Site level with one shot (head shot). It is recommended that you use the silenced sniper rifle to kill him because of its zooming capabilities. Submission: <>Justin8661@aol.com Pharcon Site multi-player stage: Find the girlie mag in the Pharcon Lab, after you taze the guards. It is located after you go through the Mars exhibit. Submission: <>Justin8661@aol.com Prison multi-player stage: Complete the Aljir prison break in without using the crossbow. You will have to sneak and roll up to the first man before he makes it out in the open. Roll a lot, but do not roll into him. You also cannot run or he will turn around. You should be able to run up very close to the male guard and the female guard who chased down the second prisoner. The last guard turns and looks around quite a bit. Walk against the left wall, and hide behind the support. He will walk out past you, and then you can get him. Submission: <>Justin8661@aol.com Rockies multi-player stage: Find the H11 sniper rifle on the first level (Colorado Rockies). The H11 is near the waterfall and ice arch where you first meet Chance. Instead of jumping over the waterfall chasm, hang from the edge of the chasm and drop down into the tunnel. The H11 is in there. Submission: <>Justin8661@aol.com Surreal multi-player stage: In Volkov Park, kill the first guard to the left very quickly before he destroys the car. After you kill him, collect the BIZ-2 in the car he did not destroy. Submission: <>Justin8661@aol.com Additional multi-player characters: Find the M-79 grenade launcher on the second to last level (New York Sewers) to unlock the following seven multi-player characters: Ninja Gabe, Scuba Lian, Unit 1 (armored trooper from the Bio-Lab Escape level), Dr. Elsa Weissinger, Uri Gregorov, Lawrence Mujari, and SWAT officer (helped in the New York Slums level). The M-79 is near the end of the level (in the parking garage). Near the top of the stairs is an open doorway into the parking garage, where a black van is driving past. Instead of exiting the stairwell at that location, keep climbing up the stairs. There will be five Agency operatives scattered on the landings above armed with silenced HK-5s, grenades, and M-79s. Use the M-79 to clear them out. The M-79 is on the top landing. Submission: <>Justin8661@aol.com Complete the C-130 Crash Site level under three minutes to unlock the characters from the original Syphon Filter game in multi-player mode. Submission: <>Justin8661@aol.com View All Movies: Pause game play and highlight the "Briefing" option. Then, hold Right + L1 + R2 + Circle + X. Submission: >SDYBOWLER@email.msn.com and Al Amaloo (vgstrategies) and <>Justin8661@aol.com