GTA Cottonmouth 2010:

Alex Harrison was just a hired gun, living one day after the other, killing for survival, until one day, he finds purpose in his life in the form of a deranged serial killer nicknamed 'Robin,' whom Alex makes his only goal to rehabilitate through even more acts of crime and violence.

Extra content and sound effects: https://drive.google.com/file/d/1mJOaKJ8svvcL_cozeXw1Bpk4WCii-M98/view?usp=sharing

Shader I used:
https://www.nexusmods.com/guitarheroworldtour/mods/1429