(I'm not the author, but I'm pretty sure he lurks around HN sometimes).

A quick summary directly lifted from the blog post:

In this blog, I’ll go over some features of D and how I use them to make games. The TL;DR is:

    * A single language for game logic and scripting.
    * Fast compile times under 1 second.
    * The freedom to choose the best memory allocation strategy.
    * Achieving C-like speed with a much cleaner developer experience.