Tap Settings > Apple ID Profile > iCloud.Tap Manage Storage and type in your password if prompted.Look for the game on the list of apps that iCloud backs up data for and tap it to bring up a pop-up window asking you to verify deletion of data from all connected devices. Tap Delete Data to confirm deletion.
- Launch the Game Center app on your iOS device.2) Swipe until you find the game to remove and tap it.3) Tap Remove in the pop-up sheet that appears to confirm it.
You can delete game data, such as progress and saved games, from all your iCloud-connected devices by clicking “Delete data.”