One iteration of graphics for Doom clone I was part of. Never released, I think I should release textures and other resources for free use.
Everything by me, except the tech, which was coded by Valtsu
Edit, here is link for textures. athey are public domain now:
https://drive.google.com/drive/u/1/folders/1qsD-Fj-ub_80hRRorVJy2DsYyLMmmdjs