In 2006 Microsoft released a modified version of the source code along with most game assets (i.e. everything needed to compile the game without networking support and without all the art) under a Shared Source licence in order to demonstrate its XNA Build system. Source is available from Microsoft's downloads site.
Get all the historical and statistical information on all 29 'Mechs included in the game, as well as more information on all the vehicles, buildings, weapons, personalities, and more in one great looking, easy to use, stand alone application.