Instructions
Load the "Fallout 3" game disc on your Xbox 360 console and select "Settings" from the main menu.
Change the default selections in the "Gameplay" menu. Alter the settings for "Difficulty," "Save on Rest," "Save on Wait" and "Save on Travel" until you are satisfied.
Change the default selections in the "Display" menu as desired. You can change "Brightness," "HUD Opacity," "HUD Color," "Pip-Boy Color," "Texture Size," "Fade Options," "Crosshair," "Dialog Subtitles" and "General Subtitles."
Change the default selections in the "Audio" menu, whether for "Master Volume," "Music," "Footsteps," "Voice," "Effects" or "Radio."
Change the default selections in the "Controls" menu: "Sensitivity," "Invert Y" and "Action Mapping."
Save your "Fallout 3" settings modifications by selecting the "Back" button. You will now be returned to the main menu.
Start the game; your modifications will be implemented immediately.