Who is the mysterious donor giving thousands to gamers?
2 February 2015 Last updated at 02:13 GMT
Someone is showering tens of thousands of dollars on gamers who stream their playing through online network Twitch.
Who is Amhai, and why is he passing out so much cash? BBC Trending sums up what's known about the mysterious donor.
Reporter: Estelle Doyle
Video journalist: Greg Brosnan
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