こちらでも再生できてる
レンダリングエンジンは8未満ではFlashで、8以降はHTML5

Donut : RAPT #135 (Unicode)
OS : Windows 7 Professional Edition, 64-bit Service Pack 1 (build 7601)
IE : 11.0.9600.182820 (Emulation:10000)
CPU : 2 of Intel Core2 Duo CPU E8600 3.33GHz
RAM : 4095 MB (2582 MB Free)
IME : Microsoft IME
Flash : 21.0.0.213
RoboForm :
FireWall :
Location : Somewhere / (Donut.ini)
Monitors : 1, DPI(X:96 Y:96)
VisualStyle : Aero (NormalColor, NormalSize)