Today marks the start of the 2008 Olympic games. And in order to spur on our Olympic heroes, while at the same time trying to fool gamers' brains into thinking that they're actually doing some exercise, GamesRadar has tried and tested eight different ways of playing Beijing 2008. Some of which will be familiar, others definitely won't be. But are any of them better than the good old jumper trick? Hit play below to find out.