Chrome should autosave every action to your local browser storage and should recover it on reload. Can you please check if you allow saves to your local storage, or if a browser plugin, like ad blocker blocks this feature for you?
Firefox treats cookies and local storage as the same thing, so these steps work for both.
Click on the menu icon in the top-right corner of your browser.
Select “Options” or “Preferences”.
Click on “Privacy and Security” from the list on the left.
From the drop-down menu, choose “Remember history”.
Close the window.
Chrome treats cookies and local storage as the same thing, so these steps work for both.
Click on the menu button in the top-right corner of your Chrome window.
Select “Settings” from that menu.
Click “Advanced” at the bottom of the page.
Click on the “Site Settings” button under the Privacy and Security section.
Click on “Cookies”.
Toggle on the setting for “Allow sites to save and read cookie data (recommended)”.
Toggle off the setting for “Block third-party cookies”.
Scroll down from there and make sure that dungeonfog.com is not in your “Block” list. If you see “dungeonfog” anywhere there, click on the trash can icon to remove it.