1. Open LittleBigSnake and press play.
2. Press "Settings" - small grey gear icon in the bottom right corner.
3. Under profile, press "Leave the game" - you will be prompted to register the current account if it is unregistered. If you would like to have access to the account you are about to leave, then register it, if not, then agree to lose all progress. If the account you are leaving has already been registered, there will be no prompt.
4. You will be taken back to the initial LBS screen, now press Sign In at the bottom left corner.
5. Click the icon that your account is authenticated with. *note* If you have registered with a gmail.com account, press EMAIL. If you are registered with Google Play, press the Google icon.
6. If you do not know which authorization method to use, please contact LBS support.