FearLess Cheat Engine

Game Name: Shadow of the Tomb Raider (Win10 GP)
Game Version: 1.0.87.0

OPTIONS
– Infinite Health
- Stealth Mode
– Infinite Ammo & Arrow
- Infinite Resources
– Infinite Cash
– Infinite Exp
– Infinite SP
- Infinite or Freeze Time "Challenge Tombs"

Thanks

See if these work and if they do I'll consider doing more it's supposed to give you 999 ammo when you fire a bullet or arrow.

Just tested and it worked for me!