У вашего броузера проблема в совместимости с HTML5
This tutorial will show you how to create magic particle effects that apply physics and damage. Please leave any suggestions for future videos in the comments.
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Magic Particles:
https://www.assetstore.unity3d.com/en/#!/content/21927
Source Files (mediafire link):
http://www.mediafire.com/download/mr3nb7fy8v3463o/Magic+Particle+Tutorial.zip