anchor.diff:  in
   stdenv.mkDerivation rec {
     pname = "openttd";
  -  version = "1.9.3";
  +  version = "1.10.0";
   
     src = fetchurl {
  -    url = "https://proxy.binaries.openttd.org/openttd-releases/${version}/${pname}-${version}-source.tar.xz";
  -    sha256 = "0ijq72kgx997ggw40i5f4a3nf7y2g72z37l47i18yjvgbdzy320r";
  +    url = "https://cdn.openttd.org/openttd-releases/${version}/${pname}-${version}-source.tar.xz";
  +    sha256 = "0lz2y2rjc23k0d97y65cqhy2splw9cmrbvhgz0iqps8xkan1m8hv";
     };
   
     nativeBuildInputs = [ pkgconfig makeWrapper ];
  
positive.code:     ''}
    '';
  
    meta = {
      description = ''Open source clone of the Microprose game "Transport Tycoon Deluxe"'';
      longDescription = ''
        OpenTTD is a transportation economics simulator. In single player mode,
  
negative.code: 
  let
    opengfx = fetchzip {
      url = "https://cdn.openttd.org/opengfx-releases/0.6.0/opengfx-0.6.0-all.zip";
      sha256 = "1zg871j6kv7r0aqwca68d9kdf3smclgzan8hj76vj4fyfkykh173";
    };
  
    opensfx = fetchzip {
      url = "https://cdn.openttd.org/opensfx-releases/0.2.3/opensfx-0.2.3-all.zip";
      sha256 = "1bb167kszdd6dqbcdjrxxwab6b7y7jilhzi3qijdhprpm5gf1lp3";
    };
  
    openmsx = fetchzip {
      url = "https://cdn.openttd.org/openmsx-releases/0.3.1/openmsx-0.3.1-all.zip";
      sha256 = "0qnmfzz0v8vxrrvxnm7szphrlrlvhkwn3y92b4iy0b4b6yam0yd4";
    };
  
  