Tomb Raider

Level Skip
Go to the last page of your passport and press Z, Y, Z, Y, X, X, X, START and then press C.

Glitch from william linaksita
Use the 3D Control Pad. Now turn the switch to +. Hold any button and switch it over to O. If you are holding it when you switch it over to O it won't stop doing the button you were holding. Not even if you llet go of the button.

Unlimited Ammo from william linaksita
After you beat the game, you'll have ultimit ammo for any gun!

All The Weapons from Nick "The Saturn Man" Hollins
Go to the inventory screen and press X,Y,X,Y,Z,Z,Z,Z,Y,X,X,X,START. You will hear a noise. Now use the skip code (above). In the next level, you will have all the guns. NOTE: in order for the gun code to work, you must must already have beaten and saved to memory. This is easy. Just keep on doing the stage select skip code until you see the ending. (from MRAWSA@aol.com)

Help for the Lost Valley from Reuben Wong
Once you have collected all the cogs , return to the top of the waterfall where you started the level ( and shot the wolves )and do a series of jumps over the river with the powerful current until you arrive in a tunnel with a ropebridge and a save beacon.Place the cogson the wooden pegs to lower the dam . You will now be able to swim to the exit. Look for the shotgun after you turn right while swimming from the rope bridge area.

Unlimited Ammo w/o Beating Game from Lo Wang
Punch in the level skip code and hold A+ Up.