All Weapons and Infinite Ammo:
Pause the game and highlight the Weapons menu. Press and hold
Right + L2 + R2 + Circle + Square + X
Pause the game. Go into the Options menu. Highlight the Select
Mission option. Press and hold Left + L1 + R1 + Select + Square + X
Pause the game and highlight the MAP entry. Press and hold Right,
R1, L2, X.
Easier Enemies (PAL version):
Pause the game and highlight the MAP entry. Press and hold Right,
L1, R1, R2, Circle, X.
At the title screen press and hold Left, L1, R2, Select, Square,
Circle, and X.
Harder Game (PAL version):
Highlight the "New Game" option on the title screen, then hold L1
+ L2 + R2 + Square + Circle + X.
Pause the game, select WEAPONS and highlight 9MM. Press and hold
Left, R2, Select, L1, Square, and X.
View All Movies:
Go to the movie theater in the first level. Pause the game,
highlight MAPS, then press and hold Right, L2, R1, and X.
One hit kills:
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. A single
shot anywhere on the body of an enemy with any gun will kill
instantly. Repeat the code to disable it. Gabe will say "Damn It" to
confirm correct code entry. Note: Pause game play, highlight the
"Objectives" option, then press Right + L1 + R1 + R2 + Circle + X in
the PAL version of the game.
To get backup, pause and press: Up, Down, Square, Square,
Ttriangle and Select. If done correctly you will here "MOVE MOVE MOVE"
and 8 or 10 agents will come.
Use the virus scanner to look through walls to see if an enemy is
waiting for you.
Shoot With the Viral Scanner:
Go to the first warehouse stage near the end of the game. Then
enter the code for all weapons and infinite ammo. Go to the room were
you get the Viral Scanner. Kill the guy after he gives you the
passwords. Open up the chest with the viral scanner in it. The
subtitle should say "Viral Scanner Bullets Found". Now leave the room.
You can shoot lights and stuff, but unfortunateley not people.
To get different cammo just Select Georga St. And kill the guys
that jump over the wall then put in Tobmrader2 and close the cover and
Gabe will be wearing a brown and tan suit. But when you die you have
to put Syphon Filter Back In and Restart the Game .
Grenade launcher in level 1:
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.
Getting through the subway:
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.
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
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
Quickly press Start, then press Start again after catching on
fire. You will be hurt, but still alive.
The virus scanner may be used to look through the walls to find
CBDC agents turn bad:
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
Adolph Hitler image:
Move straight ahead n the "Warehouse 76" level after getting to
the first checkpoint without getting burned. You will reach a giant
metal box with a catwalk over the top of it. Climb onto the box, then
onto the catwalk, and run straight ahead. After reaching the end of
the catwalk, hop down onto another giant metal box, kill the guard,
and look to the right (or where the guard was running when he saw
you). A large painting of Adolf Hitler's face can be seen.
Dead Lian Xing still speaks:
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."
Pit Glitch In Dinorama Stage:
There is a cool glitch you can activate in the museum level (part
2). Go into the room with the model of the T-Rex in it after jump
through the glass. Make sure to kill the gaurds, then shoot out all
the small lights in the circular pattern above the T-Rex model. After
you shoot out ALL the lights, go over to the small podium near the
T-Rex' mouth and you'll see that where the floor used to be, it will
be all black, i fyou walk into it, you'll fall to your death!! I don't
know if you could get the gaurds to fall into the glitch hole, but its
worth a try.
Get shot by the CBDC agents:
When there is more than 1 CBDC agents around, let one get killed,
when he is lying on the ground dead manually target him and shoot him.
The live CBDC agents will start shooting you. watch it, they have very
good aim and if you kill them your mission is over.
In the firat level in the subway when you get in, go to your
right and kill all the guys. Go into the door farthest back and climb
over the boxes, get your flashlight out and a Rocket Launcher (M-79)
will be right there.
When on fire:
When on fire, procede into a roll and the flame will be out.