Hunted Birth of the Demon - The unlockables for those who complete the game
A couple of extras for those who finish the campaign
Are you playing Hunted The Demons Forge? If so, know that your efforts to complete the game's campaign will be rewarded. In fact, once the game is finished you will not only unlock the level of difficulty "Old School" but you can also start over in mode New Game + which will allow you to play while keeping the crystals and gold collected in the first game.