The multi-billion-dollar global industry had seen huge growth in New Zealand, increasing by more than 50 per cent in the year to March 2014 to $80 million, he said.
"This is one of the fastest growing sectors in the world at the moment and the benefits for New Zealand shouldn't be underestimated.
"The great thing about ICT and games development in New Zealand is that it's a gravity-zero export, it doesn't have a big environmental footprint.
"It is an opportunity for us to diversify our economy away from simple commodities."
The policy also included the establishment of an chief technology advisor, similar to the role of the Prime Minister's chief science officer, Dr Norman said.
The party was also continuing to advocate for a second internet cable, a policy the Greens first announced in 2012, he said.
"We're going to have a watching brief on that situation and if the private sector is unable to deliver -- and there's some uncertainty around it at the moment -- we'll make sure that it happens because it's critical to the long-term future of the New Zealand economy as a whole."
Auckland gaming firm Outsmart's business operations manager Wayne Webb said up until now, they had felt like a silent partner in the New Zealand economy.
"It's really great to see us moving towards the gameification of the New Zealand economy."
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Key planks of the policy:
* Establishing a game development fund of $9 million over three years;
* Championing local business by requiring reporting on government ICT spending and reducing barriers to local contractors;
* A $15 million fund over three years to support internship programmes in partnership with industry and the tertiary sector;
* $3 million over three years for a government chief technology advisor.