Congrats on your achievement. I have seen many, many softcores run on FPGA (usually from a beginner to HDL and unoptimized as a result) however I have never seen a softcore impl this performant, enough to run quake at 40fps.

For logic usage I see you have about 12k LEs on a Max10 running up to 100mhz with FPU. This is really good. I have looked at many, including NiosII/f.

What chip are you running for the demo? It looks like a DE1 but I can't quite tell.

I would be curious to see how your Fmax increases when moving to a slightly more modern chip like the Cyclone V (from 60nm to 28)