When OnLive began testing its flat-rate $10 per month back catalog game offering, Playback, at the beginning of December, the company said that it would officially launch January 15, aka tomorrow. That's not happening -- instead, the Playback beta is being opened up to all users free-of-charge through the end of the month.

Initially, the Playback beta was accessible only to those users accessing the service via the OnLive MicroConsole system; it will now be available to everyone, on every platform, during this extended period. OnLive has promised that the catalog will include around 40 titles when it's out of beta (and people are being charged for it). Right now, it features about a dozen.

This article was originally published on Joystiq.