Casual gamers – moms, dads and senior citizens – are the mainstream of the gaming world. So it’s interesting that RealNetworks could be looking to foster community around its RealArcade property, following reports today that it is acquiring NYC-based online casual gaming site Gametrust for somewhere in the region of $50 million. The company, which has already raised nearly $20 million in three rounds, powers some big gaming portals including MiniClip.com and Shockwave.com with its Game Frame platform. The five year-old GameTrust counts TWJ Capital, NJTC Venture Fund, Patriot Capital, CSK Ventures, Topspin Partners, Silicon Alley Venture Partners, Draper Associates and Elon Musk among its investors.

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