Doom's unique dark atmosphere was maintained while a CRT filter and various other filters were applied. This is a screenshot using Reshade from GZDoom If you like it, take it. (Written in Reshade version 6.1.1) https://mega.nz/file/QEwgxK4Y#gClgsQom43jm_W2_3ptwnsGDYWFxDwunsBnSseqPxmQ   For Doom for Unity Engine, please visit the following link. https://sfx.thelazy.net/games/preset/12504/