http://www.tombraiderhub.com/tr7/cheats.html mira descargalo aqui vas hasta el final donde dice: 1. Download this patched executable and run it.
2. While playing, press F6, go to Combat menu\Player gets all weapons, and then press either left or right to change to "YES".
3. Press F6 again to exit the debug menu, and then press "END" to get the weapon.
Necesitas tener el parche para TRL 1.2