Astray original game and maze/art: wwwtyro, Unlicense (LICENSE).
Third-party files retain their upstream code and are separately licensed:
- Box2dWeb.min.js: Box2D/Box2dWeb (Erin Catto, Box2DFlash contributors, Boris The Brave, Hannes Wallnoefer / Hecht Software); zlib-style license, licenses/BOX2D-LICENSE.
  License source: https://github.com/hecht-software/box2dweb/blob/master/Box2D.js
- Three.js: Three.js revision 49, MIT, licenses/THREE-LICENSE.
  https://github.com/mrdoob/three.js/blob/r49/LICENSE
- jquery.js: jQuery 1.7.2, copyright John Resig; distributed under its MIT option, licenses/JQUERY-LICENSE.
  https://github.com/jquery/jquery/blob/1.7.2/MIT-LICENSE.txt
- keyboard.js: KeyboardJS, copyright 2011 Robert Hurst, BSD-2-Clause, licenses/KEYBOARD-LICENSE.
  https://github.com/RobertWHurst/KeyboardJS/blob/v0.0.2-AMD/license.txt
Local alterations: relative texture URLs, metadata, touch controls and attribution only; gameplay/physics/rendering and third-party source unchanged.