There's a little bit of funkiness with this build's packaging that keep it from working out of the box in the Itch desktop client (and probably causes some issues with direct downloaders as well).
The .zip file contains two "forevergold.html" files, one in the root directory and the other in a "Forever Gold" subdirectory. The first one (in the root directory) seems to be the 1.01 update, but it is broken when viewed either in the Itch desktop client or in a standard web browser. This seems to be because the HTML file expects to have access to its assets in a "./assets/[...]" directory, but with respect to the root, those assets are actually in "./Forever Gold/assets/[...]", and thus, the HTML file fails to find them and thus can't load them. The forevergold.html file within the Forever Gold subdirectory seems to be a lingering 1.00 version of the file, but because of its location in the directory structure, it's able to load in a standard web browser just fine.
Moving the outer forevergold.html file into the "Forever Gold" subidrectory (by either replacing the one that's there or by renaming one of the two files) seems to allow it to work just fine in a standard web browser as well. However, this causes the Itch Desktop client to become unable to launch the game directly at all (attempting to do so causes Itch to have the OS open up the folder that the game is located in, which is the behavior it defaults to when it can't figure out anything better to do), because there's no longer an HTML file in the root directory (i.e., the place where it assumes an HTML file will be unless told otherwise) at all.
There are two potential fixes (potentially among others) for this:
* Edit the outer forevergold.html file so that it expects to find its assets in "./Forever Gold/assets/[...]" rather than "./assets/[...]".
* Move the outer forevergold.html file into the Forever Gold folder, and then add an app manifest (see https://itch.io/docs/itch/integrating/manifest.html ) so that the Itch desktop client knows where the HTML file to use for the game is located.