It is in very early access and only includes the start menu, start of game and the 1st mission It also includes a python install that you will have to use so that you can play the game
New 0.1.8 build has some slight changes
The new 0.1.5 version has some new VERY early game ambience.
The 0.1.2 release of the darkness within now has part of the 1st mission