Nexus
    
        - Icons made by
            Marcus Schreiner, Nils M¸ller, Florian Dietrich, Frank Fiedler
            from Crimson Fields are licensed by the GNU General
            Public License.
 
        - Sounds made by
            Daniel da Rocha Hoppe, David Fancella
            from Crimson Fields are licensed by the GNU General
            Public License.
 
        - Music 'Battle in the winter' made by
            Johan Brodd
            is licensed by the Creative Commons BY 3.0
        
 
        - Maps made by
            Thorsten Jordan, Laurent Le Guillou, Chang Tang Yen, Thomas Klausner, Andrej Krivulcik
            from Crimson Fields are licensed by the GNU General
            Public License.
 
        - The game concept is inspired by Batte Isle from Blue Byte.
 
        - Data structure design and simualtion algorithm are inspired by Crimson Fields, created by Jens Granseuer.
 
    
    World War II
    
        - Maps, icons made by
            Michael Speck
            are licensed by the GNU General Public License.
        
 
        - Music 'A Long Way From Home' made by
            Hitctrl
            is licensed by the Creative Commons BY 3.0.
        
 
        - Pictures from Flaticon are licensed by the Flaticon License.
 
        - The game concept is inspired by Panzer General from Strategic Simulations.
 
        - Data structure design and simualtion algorithm are inspired by lgeneral, created by Michael Speck, Leo Savernik and Peter Ivanyi .
 
    
    Planet Icarus
        
            Maps, icons and code made by
            Spiffcode are licensed by the BSD License.
        
        Music 'Tale of Warriors' made by
            0AD
            is licensed by the Creative Commons BY 3.0.