From Chatgpt:
I've seen this happen when:
- User downloads ZIP
- Opens HTML directly inside ZIP
- Doesn't extract properly
- Uses Windows built-in ZIP preview
This is from Download & install instructions:
Once unzipped, open the HTML file, and it should start playing in your preferred browser.
Do not move or Delete the Folders/HTML files inside the main folder. In order for the game to display content correctly, it needs precise placement of image and other data.