"How do you think people would react if you created a game where you were God and you could create and kill as many Mexicans as you wanted? Or Asians?" Ms Howard, who lives in the US, wrote.
"People would be outraged. I hope you don't decide to advertise your application in New Zealand or Australia because you will get a backlash of the same intensity."
Pacific academic Dr Malakai Koloamatangi, from New Zealand's Canterbury University, said he found Pocket God "totally degrading".
"To claim they are not Pacific Islanders is ridiculous. Everything about them is Polynesian. How can they justify encouraging the torture of a race in this way? It's disgusting."
He said the game only strengthened the stereotypes from which Pacific people around the world were trying to break free.
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