Cheat Codes for TRU (your kidding rite?)

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I'm playing Legend now and went to an old site I used for the early days of TR, well back when I first got TRU PC there were no cheats for Underworld, and played thru no problem, since
then the site has updated and added 3 cheats, bullitproff, one shot kills, and enemy health. Now TRU even on hard is still easy and if Lara died it was by my hand dropping her in a hole or missing a grab, and none of these cheat's can save her from that. Point being even 1st time TRU players can get thru this without cheats