Tech entrepreneur (and Dallas Mavericks owner) Mark Cuban has invested $250,000 in social gaming apps developer Mention Mobile and will be given a minority equity stake in the company.

Autodesk Inc. has acquired the important parts of Grip Entertainment, a privately-held artificial intelligence game middleware company based in Montreal, Canada. Further details and terms of the deal were not available.

"DC Universe Online," the massively multiplayer online action game from Sony Online Entertainment, kept its promise to go free-to-play just two days after its self-imposed October 31 deadline. Just two days after that, it had gained 120,000 new PC registrations.

Mobage, the global mobile entertainment network for Android, is now out of beta and fully launched. The development was announced today by ngmoco and its parent company DeNA Co.

Mobile ad network Tapjoy launched its new personal app marketplace, a way of sifting through app clutter by offering individualized recommendations to users. The service uses factors including ratings, previous app usage, and which apps are being used by friends.

Rockstar Games, a publishing label of Take-Two Interactive Software, has released the trailer for its highly anticipated "Grand Theft Auto V." It’s the latest in a top quality, internationally successful and genre-defining franchise that often serves as a bogeyman for anyone with an anti-game agenda.

Blazingly fast cars! Explosions that register on the Richter scale! Incredibly attractive people of both genders! No, it’s not the new Michael Bay film or the latest game in Electronic Arts’ "Need for Speed" franchise – it’s both. In a logical creative partnership, Bay has directed a spectacular commercial for EA's Nov. 15 U.S. release "Need for Speed: The Run."

Tobii Technology has developed what the company describes as the world’s first eye-controlled arcade game, adding that "Tobii EyeAsteroids" represents an expansion of eye tracking applications into the consumer electronics and gaming industries.

Ubisoft is making a further commitment to Facebook games based on top-rated television programs. It announced three new titles that license the intellectual properties "House M.D.," "NCIS" and "CSI: Miami," which will be developed by Ubisoft Shanghai, Method and Ubisoft San Francisco.