For me, the game halts almost immediately with an exception:
Uncaught DOMException: The quota has been exceeded. savegame https://html-classic.itch.zone/html/12779559/script.js?v=0381:1 gameloop https://html-classic.itch.zone/html/12779559/script.js?v=0381:1 <anonymous> https://html-classic.itch.zone/html/12779559/script.js?v=0381:1</anonymous>