Instructions
Insert the "Saints Row 2" game disc into your video game console and wait for the flash (logo) screen to give way to the game's Main menu.
Press the "Start" button on your game controller to begin a new game and a screen will appear prompting you to choose the difficulty level. There are three options: "Casual," "Normal" and "Hardcore."
Select the difficulty level that appeals to you and the game will begin. If you would like to change the difficulty level mid-game, simply press the "Pause" button on your game controller to bring up the Difficulty menu.