At today's invite-only PlayStation event, Sony talked about its upcoming streaming service called PlayStation Now , and it sounds like a whole lot of games are going to be available when it launches later this year.

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Todd Liss of Sony told IGN that PlayStation Now will launch with "hundreds of titles." Now is currently in closed beta , and is still slated to launch this summer in North America.Also at the PlayStation event, Sony was showing off two games running on Now for the very first time. Uncharted 3: Drake's Deception was shown being played on PlayStation 4, while Ratchet & Clank: Into the Nexus was shown being played on PlayStation Vita. The former game was hinted at earlier on the website of Gaikai, the streaming technology company Sony acquired a couple of years ago for $380 million.Unfortunately, little else is known about PS Now, other than that renting games may cost $4.99-$5.99 , and that both first party games -- like the aforementioned Uncharted 3 and Ratchet: Nexus -- and third party games will be available.We went hands-on with PlayStation Now earlier this year, and were left impressed by the experience. We hope to have more on PS Now in between now and E3 in early June.

: Sony Computer Entertainment America contacted IGN stating it has not officially confirmed the number of titles available on PlayStation Now at launch.

Colin Moriarty is IGN’s Senior Editor. You can follow him on Twitter.