ALL WEAPONS AND ITEMS

 While playing do this carefully:

 Draw guns (make sure it's the pistols), using the WALK key, take one
 step backwards, then take one step forward, press and release the
 crouch key, turn around 3 full times (3x360o in any direction),
 do a backward jump.

 If you use the Tomb Raider 3 weapon cheat while Lara holds a torch in
 her hand she will explode.

 LEVEL SKIP

 While playing do this carefully:

 Draw guns (make sure it's the pistols), using the WALK key, take one
 step backwards, then take one step forward, press and release the
 crouch key, turn around 3 full times (3x360o in any direction),
 do a forward jump.

 The real Lara nude patch:

 Edit the file CONFIG.TXT from the directory where you installed the
 game with a text editor and add two lines at the end of the text

 DAT 0401
 CHEAT 1

 Save and restart the game. Now press [Alt][F4] in the game ;-)