It's broken due to changes that castle introduced

You know what they say, if it exists... it can run doom

Source https://github.com/thedoggybrad/doom_on_js-dos

Person: "But can it play doom?" Maksydab: Yes it can! 🔥🔥

Why didn’t you credit the engine source? https://github.com/thedoggybrad/doom_on_js-dos

Castle is basically just an emulator now