Level skip
Have Lara face exactly north. Enter the inventory screen and look at the compass. If it is not transparent, try positioning her again. Go to "Load Game", hold H + E + L + P, then release those keys. Close the inventory screen to advance to the next level.
Unlimited items
Have Lara face exactly north. Enter the inventory screen and look at the compass. If it is not transparent, try positioning her again. Go to the small medipak, hold G + U + N + S, then release those keys.
All weapons
Enable the "Unlimited items" code. Close the inventory screen. Enter the inventory screen again. Go to the large medipak, hold W + E + A + P + O + N + S, then release those keys. Note: The code only affects the adult Lara.
Important objects from current level
Have Lara face exactly north. Enter the inventory screen and look at the compass. If it is not transparent, try positioning her again. Go to the small medipak, hold B + I + T + S, then release those keys. Important objects, such as keys, for the
current level will now be available.