You are in a dream. Maybe you're not. How can you tell?Well, of COURSE you can say "I am in a dream." But that doesn't end well. If you are in a dream, how are you aware? If you are aware, how are you in a dream? The only way to find out is to live.
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.