Name of Obligation: Trendy Warfare 2 Marketing campaign : No players factors?

Hello,

i simply begin to play the "campagin" of Name of Obligation Trendy Warfare 2 and i’ve a query.

I don't have an activision account and for that i made a decision to play offline.

Now i play it for extra of 8 hour however no "G" (gamer level?) and in my profile i'm nonetheless at 0 %.

Why? This i induced why i play offline?

Thanks