To connect your game to a Facebook account and save your level progress, tap the gear button on the upper right corner of the screen to access the Settings menu. If you have not previously signed in with an Apple account, you can choose the option to sign in with Facebook.

If you have not already logged into a Facebook account on your device's internet browser:
  • If you see a "'KnghtShft wants to use 'facebook.com' to Sign In" pop-up, tap the "Continue" button to proceed. Tapping "Cancel" will halt the login process.
  • The page will redirect to Facebook, where you will be prompted to enter your email and password information.
  • Tap "Continue" to finalize the login proceess.
  • Congratulations, you have now connected your game to a Facebook account!