Please be aware of the following points when linking your game data to a Game Center account.

- Game data can only be linked to one Game Center account. Multiple game data cannot be linked to a single Game Center account.

- If you link your game data to a Game Center account, you will not be able to transfer data using a Transfer Code used for Device Transfer.

- If you delete your Game Center account or forget your login information, you will not be able to transfer the data.

- Once you have transferred data using your Game Center account, any Transfer Code issued before will be rendered invalid.