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Browse Syphon Filter Cheats

One Shot Kills And Gabe Will Say Understand

Unlock Playstation Portable
Pause the game and enter the following code in the weapons menu Choose 9mm and press R2, L1, Left, Square, X, Select

Drive A Car In The First Level

Unlock Playstation Portable
Pause the game, then go to map and enter the following: Square, Circle, Triangle, and then press Right

View All Games Movies

Unlock Playstation Portable
On Georgia street go to the back alley way with the two police cars with enless enemies behind them go to the theater on the left side of the street pause the game highlight the map option and press and hold Right, L2, R1, X, and when you unpause the game you can

All Weapons

Unlock Playstation Portable
Pause the game and enter the following code in the weapons menu Highlight weapons menu - press and hold Right , L2 , R2 , O , Square, , X

All Guns

Unlock Playstation Portable
Go to Options and highlight Select Mission and then enter this code. Press and hold right, R2, L2, square, O, X

All Weapons And Unlimited Ammunition

Unlock Playstation Portable
Pause game play, highlight the "Weapons" option, then hold Right + L2 + R2 + Circle + Square + X. Note: Only the weapons normally available during the current level will become selectable.

Get Backup

Unlock Playstation Portable
To get backup, pause and press: Up, Down, Square, Square, Triangle and Select. If done correctly you will here "MOVE MOVE MOVE" and 8 or 10 agents will come.

Level Select

Unlock Playstation Portable
Pause game play, highlight the "Select mission" option, then hold Left + R1 + L1 + Select + Square + X.

Easier Enemies

Unlock Playstation Portable
pause game and highlight maps Press and hold Right, L2, R1, and X you will hear a maniacle laugh and when you resume the enemies will be easier

See Through Walls

Unlock Playstation Portable
During game play Towards the middle of the game you can use the virus scanner to see through walls and other soild objects

Game Shark Codes

Unlock Playstation Portable
All Levels Open 801462aa0b14 Infinite Ammo at Weapon Pick-Up 800467c62400 Extra Health 80068bec0000 Stops Countdown Timer on Missle Silo Level 801166900bb8

Hint: CBDC Agents Turn Bad

Unlock Playstation Portable
When playing the first stage of Syphon Filter, wait for a CBDC agent to be killed. Once the CBDC agent is dead, approach the corpse and shoot it in the head a few times. All the CBDC agents will turn against you. Note: You can not kill the CBDC agents without destroying the mission.

Silenced 9mm Power Up

Unlock Playstation Portable
Pause game play, highlight the "Silenced 9mm" selection under the "Weapons" option, then press Left + L1 + R2 + Select + Square + X. Gabe will say "Understood" to confirm correct code entry.

Glitch: Dead Lian Xing Still Speaks

Unlock Playstation Portable
In level 10, Base Tower, you hear Lian Xing being taken away by Rhoemer over Gabe's earpiece. Then, when you defeat the helicopter that Rhoemer sends, a FMV sequence will show Gabe jumping off the tower and will reveal that Lian Xing has been killed. Once level 11, Base Escape, starts, shoot the very first fuel tank that appears. Lian Xing will say ''Gabe, check your fire! If that fuel tank goes the whole place will go up."

Hint: Grenade Launcher In Level 1

Unlock Playstation Portable
Go out the window in the bar into the back alley. Look up and to see two fire escapes. Climb onto the dumpster and get onto the fire escape opposite the bar first, then jump up to the pipes and go hand over hand to the other fire escape. Be careful, because two terrorists will run out to shoot half way across the pipe. After taking care of them, drop down onto the fire escape and open the box for the grenade launcher. This makes the grenade thrower in the subway section much easier to handle.

One Shot Kills

Unlock Playstation Portable
Pause the game and go to the Weapons menu. Highlight the Silenced 9mm and press and hold Left, R2, Select, L1, Square, X. You'll hear Gabe say 'Understood' to confirm.

Weaker Opponents

Unlock Playstation Portable
Pause game play, highlight the "Map" option, then press Right + L2 + R1 + X. A laugh will confirm correct code entry.

Expert Mode

Unlock Playstation Portable
Highlight the "New Game" option on the title screen, then hold Left + L1 + R2 + Select + Square + Circle + X. The phrase "Damn it" will be spoken to confirm correct code entry.

Super Pistol

Unlock Playstation Portable
Pause the game, select WEAPONS and highlight 9MM. Press and hold Left, R2, Select, L1, Square, and X.

View All Movies

Unlock Playstation Portable
Go to the movie theater in the first level. Pause the game, highlight MAPS, then press and hold Right, L2, R1, and X.

View FMV Sequences

Unlock Playstation Portable
Locate the area in level 1 where your character jumps through a window to get to the elevator. Go straight and jump over the boxes. There are pictures on the wall that resemble doors. Approach the middle pciture where the Flak Jacket is located. Then, game play and enable the "Weaker opponents" code. The game will resume in a movie theatre. Walk into the entrances to the theatre (the curtains) to watch the FMV sequences. Press X to advance to the next FMV sequence or press Start to exit.

Hint: Getting Through The Subway

Unlock Playstation Portable
Go to the opposite end of the subway after it explodes. Use the flashlight on the left of the tracks to find the C-4. Get the C-4, then go to the right hand side. Look up to see the upper level. Press Triangle to climb onto the red crate. Press Triangle to keep climbing up through the debris until the top is reached. This is the only way to exit the lower level.

Hint: Museum Gates

Unlock Playstation Portable
Find the card keys to get through the gates in the museum. Check all the guards and people that are killed; they usually carry card keys. For the gate in the Rocket Room, shoot the control panel on the third level that keeps sparking while your character is standing on the elevator to reach to that level. The man with the card key is up there.

Hint: Room 1-3

Unlock Playstation Portable
To open room 1-3, you first have to open the door of the room to the left of the elevator by switching the switch to the right of the elevator. That room contains a computer. Approach the computer and press Triangle. The door to room 1-3 should begin to open. You must kill three terrorists before entering room 1-3. Each has a flak jacket and will throw grenades. Turn right to hide behind the boxes immediately upon entering the room. The terrorists cannot shoot or use grenades because of the boxes. Be careful, as there is an open space between the boxes. Use that space to throw a single gas grenade at the terrorists. Used correctly, the single grenade should kill all three of the terrorists. Wait for the gas to clear, then explore the room. Search the spaces that resemble lockers, and do not forget the flak jackets.

Hint: Survive Burning

Unlock Playstation Portable
Quickly press Start, then press Start again after catching on fire. You will be hurt, but still alive.

Hint: X-ray Vision

Unlock Playstation Portable
The virus scanner may be used to look through the walls to find enemies.

Movie Time

Unlock Playstation Portable
Turn left after jumping out of the window in the saloon and you'll find a movie theater. Go in front of the door and tpause the game. Go to the Map Menu and press and hold L2, R1, X, Right . You should then hear Gabe say "Got it." Now exit and unpause. You'll now find yourself in the movie theater! Enter through either door to watch all of the FMV in the game.