An AI computing enthusiast has demonstrated Doom running on a custom CPU designed by GPT-5.6 Sol. Angel (@Angaisb_) shared a technical and visual feast with a video of classic Doom running within a pulsing schematic of the CPU, in the sandbox provided by the Turing Complete game environment. Clearly, this shows that GPT-5.6 Sol is capable of constructing a virtual computer system from the basics, and one that is accurate enough to boot and play a port of the original Doom. The model dubbed its CPU design ‘Codex-R32.’
Angel knows Doom is a hugely popular demo to show computing capabilities, despite it being quite a vintage nowadays (1993). So they must have thought it a good idea to show how far agentic coding has come with this tried and trusted ‘people asked for Doom’ metric. They were impressed by the results, concluding that it is “truly insane that we can do stuff like this.”
