[Android]
Registration
When you first enter Deck Heroes, you’ll be assigned a guest account with a unique IGG ID. Your IGG ID can be viewed in the Settings screen.

Link Accounts
Your guest account can be linked with a Gmail account using these steps:
1. Make sure that the following programs are installed on your mobile device.
　 -Google Play Store
　 -Google Play Services
　 -Google Frameworks Services
2. Open Device Settings and add a Google account.
3. Open Game Settings, tap “Link Account,” and select a Google account to link to Deck Heroes.
4. After completing the previous step, you can switch between Google accounts to check if your game account is indeed linked to the desired account.


Switching Accounts
Once an account has been linked, you can switch game accounts using these steps:
1. Open Device Settings and add another Google account.
2. Open Game Settings, tap “Switch Account,” and select a different Google account. If this Google account hasn’t been linked before, Deck Heroes will load with a new game account.
3. You can switch back to either your main or other accounts using the “Switch Account” button found in settings.
Your default name is your IGG ID and can be changed once for free by tapping your portrait.

Rename 
Your player name will start out as your IGG ID. To change it, tap your portrait followed by the 'Rename' button. Please note that only your first name change is free.



[iOS]
Registration
When you first enter Deck Heroes, you’ll be assigned a guest account with a unique IGG ID. Your IGG ID can be viewed in the Settings screen.


Binding Your Account
1. Continuing your progress on a different device.
a) When you first enter Deck Heroes, your game will be connected to your Game Center account.
b) To retrieve your game account on a different device, log in to the Game Center account on the new device.
2. Play different accounts on a single device.
a) Switch game accounts by logging in with a different Game Center account.


Rename

Your player name will start out as your IGG ID. To change it, tap your portrait followed by the 'Rename' button. Please note that only your first name change is free.