Effect Code End Level Pause the game, highlight Map and press Right + L2 + R2 + Circle + Square + X Expert Mode At the main menu highlight New Game and press Square + Circle + L1 + R2 + Up + X + Select Level Skip Pause the game, highlight Map and press and hold Right, L2, R2, Circle, Square in that order Movie Theater Pause the game and highlight Briefing, then hold Right + L1 + R2 + Circle and press X Super Agent Mode Pause the game, highlight Weaponry and hold Select + Square + Circle + X + L2
When you are playing two player mode. Go to a level where there is a cliff and have player one or two go to the edge of the cliff and make them aim down. Be sure that the player is holding the L1 button, if the player let goes of L1 this glitch wont work. Now have the other player go behind the player who is aiming down and push them off the cliff. After that you will stay virtually invincible. The only things you can't do are change weapons, and aim and go over cliffs.
Contributed By: sonoske80.
Unlockable How to Unlock Bonus Movie 1 Play on Hard Mode up to level 6,United Pacific Train Bonus Movie 2 Play on Hard Mode up to level 12,Industrial District Bonus Movie 3 Play on Hard Mode up to level 17,Agency Bio-Lab Bonus Movie 4 Complete the Game on Hard Mode
Contributed By: STEVEW.
Extra Multi-Player Levels
Unlockable How to Unlock Agency Computer Lab In mission 18 in the second room of this level there are two air vents, on the left is the one which is the correct exit, the other vent on the far wall from where you enter is the vent you used to get here in the previous level, you must go through this Aljir Prison In mission 15 complete the level without using the crossbow at any point Caves In mission three at the opening of each tunnel there is a door set into the wall on the left, in the first tunnel, after finding weapons and helping Chance, enter the door and find the Binoculars in one of the rooms Colorado Rockies In mission one when you find Chance you will see that he is standing near a waterfall ravine, hang over the edge nearest to where Chance was standing and you will see a cave, drop down into this and collect the H11 inside D.C. City Park In mission 19 in the burning building you will see a row of washing machines, opposite to the floor which gives way, in one of the washing machines is some dirty laundry which you must collect Disco Basement In mission 11 when the level starts you will be on a walkway above the disco floor, three guards will run into the disco below you, kill them before they start throwing grenades at you Park Jungle Gym In mission eight you must kill Archer with one shot (headshot) as he hangs from the helicopter Pharcom Incubator Lab In mission nine after you have got through the Mars exhibit room, you will go through two doors and find two soldiers looking at and discussing a girly mag, kill them then go to the locker and take the girly mag Rhoemer's Bunker In mission 12 at one point when you are chasing Gregorov you will jump into an alley in which two white cars will try and run you over, once you've found out how to avoid them and they have crashed go and collect the PK-102 from one of them Surreal In mission 13 at the beginning of the level you will be facing the entrance to Volkov Park, at the entrance will be an agent who is shooting at a car, kill him and the hiding guard before they blow up that car, then go to the car and collect the BIZ-2 fro
Unlockable How to Unlock Goofies Multi-Player Characters Complete Mission 2: McKenzie Airbase Interior in less than three minutes. Syphon Filter 1 Multi-Player Characters Complete Mission 8: C-130 Wreck Site in less than three minutes Syphon Filter 2 Multi-Player Characters In Mission 20: Slums District, when going up the car park stairs, do not leave the stairs at the open door, carry on up to the top of the stairs to find an M-79
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