The latest humble bundle package, The Humble Introversion Bundle (http://www.humblebundle.com/), includes source code access for the included Introversion games: Darwinia, Multiwinia, DEFCON, and Uplink.
Looks like I'm going to have some fun nights of code spelunking in the coming days :).
Looks like I'm going to have some fun nights of code spelunking in the coming days :).