I've got a c7 55LG OLED, game mode looks worse than what can be achieved in other modes (settings are greyed out in game mode so are limited)
The idea of game mode is everything is disabled to reduce input lag, yet you've essentially ruined game mode by turning on all the things that increase input lag.
I have all processing turned off. I don’t notice any input lag on my B6. Game mode looks great to me. I don’t have any greyed out settings maybe they have changed something for the newer models ?