У вашего броузера проблема в совместимости с HTML5
This is a tutorial about Unity 5 on opening and closing a window or other assets with a generic C# script for this purpose.
See my social profiles here
G+: https://plus.google.com/+JayAnAm
Twitter: https://twitter.com/jayanamgames
Facebook: https://www.facebook.com/jayanamgames
Patreon: https://www.patreon.com/jayanam
Indiegogo: https://twitter.com/jayanamgames
Production Music courtesy of Epidemic Sound: http://www.epidemicsound.com