My brother (he doesn't have a GAF account) just showed me this IGN walkthrough of Meltdown and noticed the internet is still silent about it, even though it's been up for a while. I can't find it directly on IGN either;
Meltdown:
http://nl.ign.com/show_videos/56152
I did some URL-hunting (just changing the last number) and there's more:
Complex:
http://nl.ign.com/show_videos/56153
Adrift:
http://nl.ign.com/show_videos/56154