To continue playing, we recommend updating to iOS 15+. For more information on how to update the OS on your Apple device, please visit https://support.apple.com/en-us/HT204204.
 
If you are not able to update to iOS 15+ and your game is linked to a Facebook, Google, or Apple ID, you can sign in on any other device running iOS 15+ or Android 8.1+ to load your saved game.