Facebook – Turn off game invitations and notifications
All you need to do is to go into your Facebook app and then click “More” in the bottom right.
Then click on “Settings” and then “Account Settings”:
Then scroll down to “Apps”:
Then click on “Platform:
You will then see the option for whether you receive game invitations and notifications, just select “No”:
That’s it! No more annoying Facebook game notifications and invites!