"The browser could not allocate enough memory for the WebGL content. If you are the developer of this content, try allocating less memory to your WebGL build in the WebGL player settings."
Unable to play. Using up to date Firefox and Canary.
Thank you for reporting! I lowered the memory allocation to a quarter of the original. Please let me know if you can run it now in Firefox. The experimental Chrome Canary is not supported by the game engine, it runs fine on the latest stable version of Chrome however.