Signing up for an account allows you to play your game on multiple devices. It also ensures you can access your game even if you lose access to your device. 

To sign up for an account, tap Friends Menu >Earn 5 lasagnas > and then allow the game to connect to Facebook.

IMPORTANT NOTE: The game now save the progress through Facebook. If you created an account in a previous version of Garfield: Survival of The Fattest, it's saved only if the email address you gave us and the one linked to your Facebook account are the same.