I've been busy with Asteroid Hunter during the Christmas break.
The result is visible in this video:
If you are a premium member of the XNA Creator's Club, feel free to play test the game and leave me your impressions there.
The next version will also be available on PC to the general public.
From the technical point of view, the nicest new feature is probably an AI capable of steering ships and missiles toward moving targets, avoiding asteroids in the process.
The program also feels a bit more like an actual game now, with scores, explosions, levels of difficulty, powerups to pick up... There is obviously a lot of polishing left to do, though. I'm leaving that to the end.
It was surprising how easy it was to pick up the coding where I left it this summer, even though I hardly touched the code this autumn.