Metal Gear Solid 2: Sons of Liberty Cheats

Unlockable: Get the Wig
First play through both the Tanker and Plant episodes and get every dog tag. Then start a new game and save. You will then have a wig in your inventory that gives you infinite ammo and allows you to not have to reload.

Hint: Fun with Raiden
During any codec sequence in the plant chapter, push L1, L2, R1, or R2 to hear Raiden say some pretty funny stuff.

Hint: Get the Camera Earlier in the Game
To obtain the camera without beating the game first, simply head to the distribution facility and go downstairs to find the black-and-white Zone of the Enders box. Now go back upstairs and hop onto the platform with the three lights on it. Using the box, get onto the conveyer belt. Wait through the ride, and once it brings you into the room, get off and you'll see an item box on the floor. That's the digital camera

Hint: Special Message From Otacon
If you take pictures of all the girl posters, and the two locker doors that have a guy and girl on them next to each other, and upload them to Otacon instead of the photos of the Metal Gear Ray, you'll get some hilarious responses from him

Hint: Waking up Soldiers
If you need to get a Dog Tag from a knocked out guard, just spray coolant on his face to wake him up and then try to hold him up.

mashkoor