Call Of Duty: Black Ops Hardened and Prestige?

There are more then the Acrade Mode and Five Pentagon Zombie Maps? I do not have the premium version of blackops. Because activision is ghey and i dident know. But is there anyway to unlock the other zombie maps you can get if you have the premium blackops on the regular game? I tried 3arc unlock and 3arc intel but that just gives me the two. Any other ways around this yet? Or only way that im going to be able to is buy them?