Instructions
Start the game and click to get into the Main Menu.
Select "Multiplayer" from the Main Menu. It may take a moment or two to load.
Choose "Options." You can modify any of the "Call of Duty: World at War" multiplayer settings you like, such as the controls, stick sensitivity, controller vibration and screen brightness.
Press the "Back" button to return to the Multiplayer menu after modifying the desired settings. You may now begin playing multiplayer; your settings modifications will be enabled immediately.