I've had a prem from the day they were shipping. I'm not good enough to get to the end of the game often...So the code works for me! the main issue I hear is that the "final wizard mode" isn't in the game. The modes are said to be linear, aka who brought the dogs always is 1st, HOWEVER! if you hit tons of left targets etc, you can start other modes first...
I love the game, as it is challenging and the call outs...ugh so good. Very technical game and I love it! I would say you don't have to wait as they will release at minimum 1 more code update to finish it.