Clive Barker's Jericho

On the 360 How do you put this game on Hard i cnat figure it out i guess im just dumb but i cant how do you do it do you have to beat it first then the option becomes available or what plz some HELP with this problem

If no one here has an answer there's always the Codemasters Jericho Forums.

For the love of Our Lord and Savior Jesus Christ's big fat pet frog! What ever happened to the english language?

it g07 haXX0r3D