This news is a tad old, but I thought it was pretty relevant to amnesia fans anyway. The awesome devs behind Among the Sleep (which has been funded now on kickstarter) released a free alpha demo of the game at http://www.kickstarter.com/projects/kril...-the-sleep (just scroll down a little).
I played through it, seems really, really creepy in an atmospheric sorta way, VERY similar to TDD.