The ending credits start to roll.  You now know the cake is absolutely, a lie.  You’ve escaped the Aperture Science labs and outsmarted the sarcastic AI GLaDOS.  Then you’re treated to an upbeat song penned by John Coulton: “Still Alive”; you have beaten Valve’s “Portal”, a unique, physics-based game where you can create doorways in walls, ceilings and floors, much like the ACME holes of Saturday Morning Cartoon legend.

Now, for some reason, I can’t stop listening to this song.  When it comes up on my playlist, I turn it up.  Apparently I’m not alone.  Check out the following interpretations/covers of this song, the original and a special bonus after the jump.  But first, enjoy this children’s choir rendition, complete with light show!

Thanks YT user joinchoir

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