* Here is a guide to get the game without creating a New Zealand account.
1.Open iTunes
2.Click on your email on top and click there on "Account"
3.Now in the field Apple ID Summary click on "Change Country or Region"
4.Select "New Zealand"
5.Type in any address and chose payment option "None"
6.Now you have to agree all the Terms of Service
7.Search for "Real Racing 3" and start downloading.
8.Have fun!
* When you have finished the download and sync to your phone you can revert everything and change everything to your country.
It worked for me in the US, and the game is AWESOME!!!