Learn how to delete the game history on your Xbox 360 from Ryan Treit in simple steps. You can get rid of the nasty unused game history from your Xbox 360 by following the steps below: 1. First go to your profile, press the guide button and then slide to the left one tab to Games and choose 'Achievements'. 2. Now a list of all the games you used will be displayed in order. 3. Select the game you wish to delete and press the X button and select 'Yes' to delete the game history. 4. Delete all the game history which you do not want from the list to finish.