Zynga buys Rising Tide startup, bringing back one of its former casino game execs

Zynga has acquired Rising Tide Games, a free-to-play social-casino-game company started by former Zynga and Playtika executives, GamesBeat has learned.

Black Diamond Casino from Rising Tide Games.
Black Diamond Casino from Rising Tide Games.

The startup is headed by Maytal Olsha, a former executive at Zynga who left last year, and casino slot game veteran Stuart Zoble. Zynga confirmed the acquisition via an exclusive with GamesBeat. The social casino game market will be about $3.5 billion worldwide in 2015, according to Eilers Research. It is expected to grow 16 percent to $4 billion in 2016.

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Dean Takahashi

Dean Takahashi is editorial director for GamesBeat. He has been a tech journalist since 1988, and he has covered games as a beat since 1996. He was lead writer for GamesBeat at VentureBeat from 2008 to April 2025. Prior to that, he wrote for the San Jose Mercury News, the Red Herring, the Wall Street Journal, the Los Angeles Times, and the Dallas Times-Herald. He is the author of two books, "Opening the Xbox" and "The Xbox 360 Uncloaked." He organizes the annual GamesBeat Next, GamesBeat Summit and GamesBeat Insider Series: Hollywood and Games conferences and is a frequent speaker at gaming and tech events. He lives in the San Francisco Bay Area.