There is currently a known issue with the Unity WebGL player where users are receiving the following error:
"An error occured running the Unity content on the page. See your
uncaught RangeError WebAssembly.Memory (): Could not allocate memory"
Issue: Error message appears and game does not load
Circumstances: Using Google Chrome Version 65
Solution: Update your browser to the latest version of Google chrome (Version 66) and avoid hitting "Refresh" while loading. If necessary, close and reopen the browser instead of using "Refresh."