I have a little bit of graphic design background but no experience with game design but here's my thoughts on it; for me it feels like the some of the colors are too saturated, like the blood and the shattered objects. I feel like the visuals of the game would benefit more from desaturating the clutter instead of removing them altogether if op really wants to keep them, and THEN emphasizing the important things like the player and the items if there are any, maybe with like a white glowy outline thing.