Why is OpenSpades listed as proprietary?

Faveoled · Feb 28, 2024

Contains proprietary components:

flathub/jp.yvt.OpenSpades/blob/afe9800287a9a880d79f545db55ab9ac6755f63c/jp.yvt.OpenSpades.appdata.xml#L5


      
          <?xml version="1.0" encoding="UTF-8"?>
          <component type="desktop-application">
            <id>jp.yvt.OpenSpades</id>
            <metadata_license>CC0-1.0</metadata_license>
            <project_license>GPL-3.0+ and LicenseRef-Proprietary=https://github.com/yvt/openspades-paks/blob/master/Nonfree/LICENSE.md
            </project_license>
            <name>OpenSpades</name>
          
            <summary>Open Source voxel shooter</summary>
          
            <description>
              <p>OpenSpades is a clone of Ace of Spades 0.75, which is a free online
              first-person shooter created by Ben Aksoy, featuring fully destructible
              terrain and plenty of game modes (including the well-known Capture the
              Flag) created by the community.</p>