У вашего броузера проблема в совместимости с HTML5
Welcome back to Sonic Generations!
This time we tackle two mods! (Although one of them almost does nothing.)
Silver Mod: https://www.youtube.com/watch?v=YNxabWSzv-4
Sonic 06 Pack: http://www.moddb.com/mods/sth2006-project
Thanks for watching!