LICENSE.txt

Copyright (c) 2013 Thomas "noio" van den Berg

Permission is granted to any person obtaining a copy of this code and the
accompanying assets, and the software resulting from compilation (together
the "Software") to copy, modify, distribute and publish the Software under 
the following conditions:

 * The Software shall not be used for commercial purposes, including sale
   of the Software, publication of the Software with advertisements, or 
   publication of the Software with the possibility of in-game purchases.

 * The Software may not be published for mobile devices, including Apple
   iPhone, iPad and iPod, Windows Phones, or Android phones. Publication
   on mobile platforms in a modified form shall only be done with 
   permission from the copyright holder.

 * For any reuse or distribution, this licence shall be included in all
   copies or substantial portions of the Software.

Note from the author: 

The reason I included this license is not to limit anyone in their option
to learn from, modify, and show off this code, but only to prevent people
making a quick buck by compiling the game for mobile devices and selling
it. I'd also hate to see clones of the Flash version with ads plastered
all over them. If you make an entirely new game out of the assets here, 
I'm fine with that too, and you can go ahead and make as much money off 
of that as you want. So please, go ahead and download the code, mess with 
it, and show the results to all your friends (and me! :).