If you haven't signed up with Red's Club:

1. Open the game and tap on the "Red's Club" icon found on the upper right of the main screen. 
2. A pop-up should appear, tap the "sign in" button. A Red's Club pop-up will open.
3. On the pop-up, tap "create new account". 

Once you have followed these steps, you'll need to create a Red's Club account by signing up with an accesible email address. A one-time verification code will be sent to the email address you've input. After you've entered the verification code, tap "verify code". Following this, your Red's Club account is created & automatically linked to your game. Your progress will now be saved with Red's Club.