Have an LLM transcribe what is happening in the game into a few sentences per frame, transfer the text over network and have another LLM reconstruct the frame from the text. It won't be fast, it's going to be lossy, but compression ratio is insane and it's got all the right buzzwords.
A few blades of grass sway gently in the breeze. The camera begins to drift slightly, as if under player control — a faint ambient sound begins: wind and birds.