How I made $500/month from blog micro-transactions

I really enjoy your blog, in particular the posts on collision detection and physics engines. In fact looking for collision detection tips was what brought me to your site in the first place.

Personally, I would like to see posts on things that you need in non-trivial games such as scene-graphs, path finding or R-trees.

I may not be the audience you are aiming for, but I find you can explain things quite well, and when people are looking for ways to implement these things, they may be willing to pay for working code that's thoroughly explained.

In regards to the Google keyword search when I do an "Exact Match" I see 2,900 monthly global searches for "how to make games". You may not be ranking as highly for the more broad matches. Could this explain it?

It could do - I was never clear on what exactly the right option was to use in that tool in order to gauge good keywords... whether it was broad, phrase, or exact.

I'd love to hear what HN thinks I can do to become more profitable! :)