When you have available updates for your apps you will notice a badge next to App Store.

Step 1

Run the App Store app on your device and go to the Updates tab.

Step 2

Find the game in the list of apps and tap the Update button against it or allow all to update (you may have multiple updates available for other apps).

NOTE: Please read the update notes for each app before updating!

Step 3

Please wait until the update is downloaded.

Done! Now you can play the game.