Level skip
Turn Lara exactly North according to her compass, then enter the inventory screen. Highlight the "Load Game" selection, hold L1 + L2 + R1 + R2 + Up, then exit the inventory screen. Note: An easy way to have Lara face exactly North is to have her hang from something facing North. -From: egmariano @ hotmail.com

All weapons, infinite ammo, medipacks
Turn Lara exactly North according to her compass, then enter the inventory screen. Highlight the "Small Medipack" selection, hold L1 + L2 + R1 + R2 + Up, then exit the inventory screen. Note: An easy way to have Lara face exactly North is to have her hang from something facing North. -From: egmariano @ hotmail.com

All items
Turn Lara exactly North according to her compass, then enter the inventory screen. Highlight the "Large Medipack" selection, hold L1 + L2 + R1 + R2 + Down, then exit the inventory screen. Note: An easy way to have Lara face exactly North is to have her hang from something facing North. -From: egmariano @ hotmail.com