Turing Complete was super fun and is amazing. It felt like a years worth of computer engineering class packed into a week’s worth of well designed gameplay. IIRC someone built a working 32 bit RISC-V CPU with it. (Maybe this one? https://github.com/BenjaminSchaaf/turning-complete-riscv)

My child just informed me that Turing Complete has just released a major redesign and that the engine is even faster than before.