Game http://www8.agame.com/mirror/unity/MineClone/MineCraftClone.htm doesn't load in IE

2) How can we reproduce it using the example you attached
Not regression (the same with stable channel)
Loads perfectly in other browsers( Win7 64b, FF 33.1,Chrome 38.0.2125.111 m, Opera 12.17)
To reproduce - just open http://www8.agame.com/mirror/unity/MineClone/MineCraftClone.htm
in IE - notice that it doesn't load