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While there is still a lot of work to be done before there will be a final release of the game, there are packages with development builds available to serve as a platform for developers and contributers, or for those who are just curious about the current state of affairs.

The package are usually lagging somewhat behind on actual development. If you feel courageous you can download the latest and greatest development revision from the subversion repository and build your own binaries.

Installing the latest release

The quickest and easiest way to install Project::OSiRiON is by downloading the most recent development release. In general, you will need to download and extract two packages: one packages with binaries for your operating system (the exe files), and the package with the game data (textures, sounds, models, ...).


First of all you need to download the exe files. There's a package for 32-bit windows and a package for 64-bit windows, you only need to download one of them. If you don't know which one to pick, the 32-bit is a safe choice, as it will also work on 64-bit windows systems.

Unzip the package to an approriate location, a new folder will automaticly be created.

Next you will have to download the game data.

Unzip the game data into the Project::Osirion directory, a new subfolder data will be created. The file Osirion.exe and the data subfolder should end up in the same folder.

Click on Osirion.exe to start the game.


To run the game, you will need to have SDL installed. This is a fairly common library and chances are high you already have it installed. Besides SDL, you will need working OpenGL drivers. The package contains both 32-bit and 64-bit binaries.

Extract the binaries to a suitable location, for example, /usr/local/games. A new directory called osirion-version-linux will automaticly be created. (The actual directory name depend on the version number).

 cd /usr/local/games
 sudo tar jxvf /where/you/downloaded/osirion-latest-linux.tar.bz2
 cd osirion-version-linux

Download the game data.

Extract it into the osirion directory. A new subdirectory data will be created.

 sudo unzip /where/you/downloaded/

To run the 32-bit version:


To run the 64-bit version:


Building Prerequisites

To build Project::OSiRiON from source code you need a working C++ compiler and have the necessary libraries and header files installed. The official binaries are compiled with gcc on linux, and mingw on windows.


The following packages are required to build the the dedicated server:

Additionally, the client requires:

You will also need gcc, GNU make, automake and libtool.

Building on Ubuntu

To build the game on Ubuntu, you can install the required tools and dependencies by running the following commands (As root) in a terminal window:

 apt-get install build-essential autoconf automake libtool libjpeg-dev libpng12-dev libvorbis-dev libglu1-mesa-dev libopenal-dev libsdl2-dev libbullet-dev

Building on Windows

You can build the game on windows using a MinGW/MSYS environment. You can use the instructions in this document to create a complete environment, capable of building the Project::OSiRiON source code. You need to install the base system described in part one, and the following packages described in part two: pkg-config, DirectX development files, zlib, SDL, libpng, libjpeg, OpenAL Soft, libogg, libvorbis, pdcurses and bullet.

Building the Bullet physics library

If you're building Osirion on Ubuntu(or any other Debian-based distro), Bullet packages have been added to the official repositories, and you might not need to follow this step. The engine uses the Bullet Physics library for physics support. You can download the bullet source code here:

To download and install the library:

 tar zxvf bullet-2.81-rev2613.tgz
 cd bullet-2.81-rev2613
 ./configure --prefix=/usr/local --disable-demos
 sudo make install
 cd ..

If you do not want to install bullet in /usr/local, you can edit the --prefix option here. Edit the the --with-bullet option when configuring the Project::OSiRiON source code accordingly.

It is recommended you use this specific version of the library, physics behaviour could be different in other versions.

Building from source code

Obtaining the source code

You can get the latest source code from the subversion repository:

On linux, you can use the Subversion command line client tool. The following command will create a new subdirectory osirion and download the source code into it.

 svn co svn:// osirion

Enter the new subdirectory:

 cd osirion

On windows, you can use Turtoisesvn to access the SVN repositories. You can download it here:

You can also download the source package from the website:

Obtaining the game data

Get the latest game data from the subversion repository:

The following command will create a new subdirectory data and download the game data into it:

 svn co svn:// data

You can also download the game data from the website:

The data subdirectory should be inside the osirion directory.

Configuring the source code

Create the configure script:

 autoreconf -i

Run the script to configure the source code:

 ./configure --with-bullet=/usr/local --enable-static-bullet 

If you do not need the client and want to build the dedicated server only you can pass the --without-client option to configure:

./configure --with-bullet=/usr/local --enable-static-bullet --without-client 

If configure finds ncurses or pdcurses, the dedicated server will use this library and a have a curses console. To disable curses detection, pass the --without-curses option to configure.

 ./configure --with-bullet=/usr/local --enable-static-bullet --without-client --without-curses

You can use the --help option to get a list of all available options:

 ./configure --help

Building the binaries

Compile the source code:


The binaries will be built in the src subdirectory of the main distribution.

Important: make install is not supported. Results are unpredictable.


The client and the dedicated server will look for game data in the data subdirectory of the current working directory. Since the binaries have been built in the src subdirectory, you will have start them with the src/ prefix.

To start the client:


If the client opens a new window and immediatly close it again, it probably could not find the game data and exited. Check your installation.

To start the dedicated server:


If you are using windows, the binaries will be called osirion.exe and osiriond.exe.


If you used the subversion repository to build the game, there is no need to re-download the entire distribution when there are updates available. You can update your local copy and rebuild it.

Update the source code:

 cd osirion
 make clean
 svn update 

Update the game data:

 cd data
 svn update
 cd .. 

Build the binaries again:


Source data

There is a seperate SVN repository with files that are used to create game data, but are not necessary to run the game. These files include blender models, gimp files and scalable vector graphics. You do not need these filese of you want to try the game or run a dedicated server, but they can be of interest to contributers.

To download the source data subversion repository:

 svn checkout svn:// data-src