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This is the haxe 2.X version of the engine and is no longer under development. Please see the new haxe 3 version here:
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Firmament Game Engine

Copyright (C) 2012-2013 Jordan CM Wambaugh

Firmament is an open-source, 2 dimensional game engine developed for the easy creation of video games. It is currently under heavy development, so its feature list is constantly expanding. Its main features are:

  • Robust 2D physics engine for realistic 2-dimensional simulations. Make physics-based games like ‘Angry Birds’ with ease!
  • Easy game creation using full-featured API.
  • Haxe NME based - runs on virtually any platform - Flash, PC, Mac, iOS, android, HTM5, and more
  • Open source - Firmament is licensed under the GPL version 3. Download the engine and use it in your open source project for free.
  • To get started with Firmament, download it, and start playing today!

Website and Documentation

For more information including news, blogs, and documentation, please check out the website at (Note that this is a new location)


Please see the Installation Guide on our website for information on obtaining and installing Firmament.


If you encounter any issues, wish to file a feature request, or want to help contribute to the project, please check out the project jira at


This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 3 of the License.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see

Commercial licensing options may be available. Please contact Jordan Wambbugh at for more information.


This software uses and includes a port Erin Catto's excellent Box2D physics engine. Some small changes have been made for compilation or performance reasons from his original work. For more information on Box2d, or to download the original work, please see the website.

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