It wasn't super obvious from the original link but unlike the typical web adaptations of old games - cross-compilation and emulation, this one was reverse engin

It wasn't super obvious from the original link but unlike the typical web adaptations of old games - cross-compilation and emulation, this one was reverse engineered and the logic re-created from scratch. The code looks commented with more details, e.g. : https://github.com/gorisanson/pikachu-volleyball/blob/main/src/resources/js/main.js https://github.com/gorisanson/pikachu-volleyball/blob/main/s...