I'm getting started, but I have no idea if I'll finish as I have a major 2-week vacation coming up in a little over a week. I do have this whole next week open though, and not having to worry about layout is a huge plus towards completion for this, so maybe...
I don't have much hope for the gameplay (as soon as I saw "like cp_gorge" I gave up all hope of it playing anything resembling properly
), but hey, it's not the entrant's fault if gameplay is terrible. Just nutty Valve's.