anchor.diff:          - play cooperatively controlling the same business
           - observe as spectators
       '';
  -    homepage = https://www.openttd.org/;
  -    license = stdenv.lib.licenses.gpl2;
  -    platforms = stdenv.lib.platforms.linux;
  -    maintainers = with stdenv.lib.maintainers; [ jcumming the-kenny fpletz ];
  +    homepage = "https://www.openttd.org/";
  +    license = licenses.gpl2;
  +    platforms = platforms.linux;
  +    maintainers = with maintainers; [ jcumming the-kenny fpletz ];
     };
   }
  
positive.code: 
  let
    opengfx = fetchzip {
      url = "https://binaries.openttd.org/extra/opengfx/0.5.5/opengfx-0.5.5-all.zip";
      sha256 = "065l0g5nawcd6fkfbsfgviwgq9610y7gxzkpmd19i423d0lrq6d8";
    };
  
    opensfx = fetchzip {
      url = "https://binaries.openttd.org/extra/opensfx/0.2.3/opensfx-0.2.3-all.zip";
      sha256 = "1bb167kszdd6dqbcdjrxxwab6b7y7jilhzi3qijdhprpm5gf1lp3";
    };
  
    openmsx = fetchzip {
      url = "https://binaries.openttd.org/extra/openmsx/0.3.1/openmsx-0.3.1-all.zip";
      sha256 = "0qnmfzz0v8vxrrvxnm7szphrlrlvhkwn3y92b4iy0b4b6yam0yd4";
    };
  
  
negative.code: in
  stdenv.mkDerivation rec {
    pname = "openttd";
    version = "1.10.0";
  
    src = fetchurl {
      url = "https://cdn.openttd.org/openttd-releases/${version}/${pname}-${version}-source.tar.xz";
      sha256 = "0lz2y2rjc23k0d97y65cqhy2splw9cmrbvhgz0iqps8xkan1m8hv";
    };
  
    nativeBuildInputs = [ pkgconfig makeWrapper ];
  