well  if you like you can play it now not on HL2 engine and it's free it called Narbacular drop
you got to love some freeware from digi pen bah why wait to see a feature when one all ready exists
http://www.vgpro.com/file/10873_narbacul...p.exe.html
*edit* oh BTW this is kinda a hijack of the thread but still more or less in to interesting ideas
this one is about walls that can repair it self
http://www.intercomm.com/shrinker/prey/Â Â <- this link got downloads and vids etc (a mod for prey)
lol, that's okay.  The pepole that made nd are making the portal game(I already dl'd it after I watched the movie)
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Is what I got for your edited link, might be my firewall or something>.>
whoops i guess my comment to it got included in the link *embarrassed*