With Microsoft's XNA 4.0 game development framework, writing exciting games for Windows/Xbox/Phone 7/Zune has never been easier. Never before has access to software development kits targeting next-gen consoles or the latest handheld media devices been so readily available. I am sure you are ready to get started building that next great game, so let's first take a look at the general anatomy of an XNA 4.0 game.