Disable Facebook Game Requests
STEP 1: Once you login to your Facebook profile, click on the Account tab located at the top right corner.
STEP 2: Now, there click on Privacy Settings.
STEP 3: Now under the Apps and websites section, you would find Edit you Settings link. Just click on it.
STEP 4: Now, you will find the Game and App activity section, just click on the button placed at the right side of that option. And there from the drop down menu, click on Custom option.
STEP 5: Now, a Custom Privacy window will pop-up, there you under the Make this visible to section, simply click on These People option and from the drop down menu click on Specific People option.
STEP 6: Now in the provided field, enter the name of your friend from whom you receive number of Facebook game requests and the click on the Save button.
Disable Facebook Game Notifications
STEP 1: Once you login to your Facebook profile, go to the Notifications section on the right side of your Facebook page.
STEP 2: Now, click on show all notifications and there click on X on each of the game request, then you can click on the option labeled as Do you want to ignore all the game requests from this user?
That is it! This is how you can disable Facebook game requests and Facebook game notifications.