The only reason this isn't a 5 is because I've been to 5's before, and this isn't one.
It's fun though. The food is highly decent. They make a fair red cabbage (my yardstick for any German place), serve spaten by the bucket, and have most of the common German favorites.
So yes. It's across from the Hard Rock, so you'll get all comers here in the oddly displaced style that most of Vegas is famous for providing.
If the strange company doesn't get you interested, the beer and the polka band surely will.