For some reason there's still no game mode option to reduce latency or just make the game look good and not dull so here's the best settings I can come up with. I've used this settings on pretty much all of my library and it adds a lot more colour and detail to the image whilst keeping a realistic picture to make sure the lighting is how it's supposed to look in some cases. If the lighting doesn't look great then turn off hdr as these settings are for non hdr users and adjust the games gamma and brightness settings to increase the contrast of shadows.
100 contrast
100 sharpness.
37-42 brightness
67-75 saturation
49 hue tint.
then go to colourspace management and max out the luminance of most colours though be careful because in certain games the colour red can make a character model look as raw and pink as an uncooked steak.
without these settings I literally cannot play on this TV and the extra vivid mode doesn't help since it's so damn sharp and so bright that I can count the pixels on the image in some games. I hope this helps for some.
