Christophe Geers posted a nice series of articles on how to create the old arcade game Asteroids with Silverlight. Here you can find all the articles posted by now:
- Silverlight Asteroids Part 1: Game Loop
- Silverlight Asteroids Part 2: Sprites
- Silverlight Asteroids Part 3: Keyboard Control
- Silverlight Asteroids Part 4: Space
- Silverlight Asteroids Part 5: Asteroids
- Silverlight Asteroids Part 6: Fire!