17 million Brain Training games sold worldwide, resulting in JPY 2.4 billion (GBP 11 million) royalties, 50% of which COULD be Kawashima's share. But he said his annual salary of JPY 11 million (GBP 50,000) is plenty enough to live on.
"Not a single yen has gone in my pocket. Everyone in my family is mad at me but I tell them that if they want money, go out and earn it," he revealed.
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