You wake up one morning, feeling depressed. You have very little money, less than a hundred in your banking account. Maybe it's the drink you had last night, but you decide you could easily break in a bank and break out with millions of dollars. You take with you all the money you have, about fifty dollars, and head to buy some tools.
You are not logged in.
If you log in before playing, you'll be able to save your progress - which means you can come back later and pick up where you left off.