Tomb Raider 4 - The last Revelation cheats and cheat codes for PC

Important objects for current level:
To unlock important objects, (such as keys, for the current level) perform the 
following moves with Lara.

1.) Have Lara face exactly north. 
2.) Go to inventory screen and check your compass. 
3.) If it is not transparent, try positioning her again. 
4.) If Lara facing exactly north, the compass will be transparent.
5.) Go to the small medipak
6.) Hold B + I + T + S, then release those keys.
7.) Finally close the inventory. 


Level skip:
To advance to the next level, perform the following moves with Lara.

1.) Have Lara face exactly north. 
2.) Go to inventory screen and check your compass. 
3.) If it is not transparent, try positioning her again. 
4.) If Lara facing exactly north, the compass will be transparent.
5.) Go to "Load Game"
6.) Hold H + E + L + P, then release those keys. 
7.) Finally close the inventory.


Unlimited items:
For unlimited items, perform the following moves with Lara.

1.) Have Lara face exactly north. 
2.) Go to inventory screen and check your compass. 
3.) If it is not transparent, try positioning her again. 
4.) If Lara facing exactly north, the compass will be transparent.
5.) Go to the small medipak
6.) Hold G + U + N + S, then release those keys. 
7.) Finally close the inventory.


Unlock all weapons:
To unlock all weapons, perform the following moves with Lara.
1.) First activate the "Unlimited items" code, then close the inventory screen.
2.) Open the inventory screen again.
3.) Go to the large medipak
4.) Hold W + E + A + P + O + N + S, then release those keys.
7.) Finally close the inventory.
Note: The code only affects the adult Lara.

Easy rolling:
Instead of pressing END press the Up + Down arrows.

Note: 
Find any block that faces north. Climb up or jump to it to find the way easily 
to facing exactly north.


Hexcheat:

0000004A savegame number
00000190 small medic
00000192 large medic
00000194 flares
00000198 uzi ammo
0000019A revolver ammo
0000019C shotgun normal ammo
0000019E shotgun wide ammo
000001A0 grenade normal ammo
000001A2 grenade super ammo
000001A4 grenade flash ammo
000001A6 crossbow normal ammo
000001A8 crossbow poison ammo
000001AA crossbow explosive ammo
00000170 binoculars value=9
0000016F lasersight
0000016B shotgun
0000016C crossbow
0000016D grenadegun
0000016E revolver
0000016A uzi
00000169 pistol
for guns type value 09