Particle tests are a dime a dozen. You could have seen the same things in Flash 10 years ago. BTW I'm on a Mac viewing your (66k polygons) example in Chrome -

Particle tests are a dime a dozen. You could have seen the same things in Flash 10 years ago. BTW I'm on a Mac viewing your (66k polygons) example in Chrome - and my fans started spinning almost a few seconds after opening your link. Five of those running in parallel and my laptop would probably explode. GPU seems to be going crazy - http://i.imgur.com/t4qC0LJ.png http://i.imgur.com/t4qC0LJ.png