I said it in my post. They are liquidating their inventory physical game copies are getting harder to sell (see music stores selling CDs and itunes). It's the same way with these businesses and digital copies now
EDIT: Here are the rest of the games being sold for $10:
quote: Will never buy another physical copy unless I have to.
That's my point. Digital copies are becoming far superior in every way! They're usually cheaper, more often on sale, easier to obtain, and don't have to hassle with CDs and DVD drives. The only problems digital copies see is Securom and it's drm policies