To celebrate the OnLive release of Amnesia: The Dark Descent last night, Frictional's horror-o-rama is very briefly available free for the cloud gaming service thanks to fan forum OnLive Fans.

Until 9pm Pacific tonight, you can pick up a Full PlayPass to Amnesia for free on OnLive by entering the promo code THANKYOU on its Marketplace page.

Amnesia has also just been updated to version 1.2. Chief among its changes is including Justine for all players, the episode created for Valve's Portal 2 potato ARG, which was previously only available to those who bought the game on Steam. "Truth be told, it plays pretty damn well even without the other stuff," Frictional said.

The update also adds five illustrated short stories set in the world of Amnesia. "They are sure to answer some of your questions about our universe, but also have you come up with a few new ones," Frictional explained.