/usr/share/games/adanaxisgpl/mushruby/ is in adanaxisgpl-data 1.2.5.dfsg.1-5ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/games/adanaxisgpl/mushruby/MushBase.rb
/usr/share/games/adanaxisgpl/mushruby/MushBasePrism.rb
/usr/share/games/adanaxisgpl/mushruby/MushConfig.rb
/usr/share/games/adanaxisgpl/mushruby/MushDashboard.rb
/usr/share/games/adanaxisgpl/mushruby/MushDisplacement.rb
/usr/share/games/adanaxisgpl/mushruby/MushError.rb
/usr/share/games/adanaxisgpl/mushruby/MushEvent.rb
/usr/share/games/adanaxisgpl/mushruby/MushEventTimer.rb
/usr/share/games/adanaxisgpl/mushruby/MushEvents.rb
/usr/share/games/adanaxisgpl/mushruby/MushExtruder.rb
/usr/share/games/adanaxisgpl/mushruby/MushGLFont.rb
/usr/share/games/adanaxisgpl/mushruby/MushGLTexture.rb
/usr/share/games/adanaxisgpl/mushruby/MushGame.rb
/usr/share/games/adanaxisgpl/mushruby/MushHelpers.rb
/usr/share/games/adanaxisgpl/mushruby/MushKeys.rb
/usr/share/games/adanaxisgpl/mushruby/MushLog.rb
/usr/share/games/adanaxisgpl/mushruby/MushLogic.rb
/usr/share/games/adanaxisgpl/mushruby/MushMaterial.rb
/usr/share/games/adanaxisgpl/mushruby/MushMenu.rb
/usr/share/games/adanaxisgpl/mushruby/MushMesh.rb
/usr/share/games/adanaxisgpl/mushruby/MushObject.rb
/usr/share/games/adanaxisgpl/mushruby/MushPiece.rb
/usr/share/games/adanaxisgpl/mushruby/MushPost.rb
/usr/share/games/adanaxisgpl/mushruby/MushRegistered.rb
/usr/share/games/adanaxisgpl/mushruby/MushRotation.rb
/usr/share/games/adanaxisgpl/mushruby/MushShaderLibrary.rb
/usr/share/games/adanaxisgpl/mushruby/MushTimedValue.rb
/usr/share/games/adanaxisgpl/mushruby/MushTools.rb
/usr/share/games/adanaxisgpl/mushruby/MushUtil.rb
/usr/share/games/adanaxisgpl/mushruby/MushVector.rb
/usr/share/games/adanaxisgpl/mushruby/MushView.rb
/usr/share/games/adanaxisgpl/mushruby/Mushware.rb