Joshua is an artificial intelligence designed for conducting global thermonuclear warfare within the game of defcon.

Source
Contains the C++ framework which calls the lua scripts, this is a standard part of the luabot framework distributed by introversion and hasn't been modified at all.

Joshua
Contains code specific to the Joshua bot. Various stages of strategy are split into separate files.

Utilities
Contains various things which are in no way specific to Joshua, but are instead generic useful bits of Lua code.