{
  description = "A flake for running pokemon fangames, often via wine";

  inputs.erosanix.url = "github:emmanuelrosa/erosanix";
  inputs.erosanix.inputs.nixpkgs.follows = "nixpkgs";

  outputs = {
    self,
    nixpkgs,
    erosanix,
    ...
    } @ inputs:
  let
    systems = nixpkgs.lib.systems.flakeExposed;
    forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f rec {
      inherit system;
      inherit (nixpkgs.legacyPackages.${system}) pkgs lib;
    });
  in nixpkgs.lib.recursiveUpdate {

    lib = forAllSystems ({ pkgs, system, ... }: pkgs.callPackage ./pkgs/fetchers.nix {
      inherit (self.packages.${system}) badown mediafire-dl;
    });

    packages = forAllSystems ({ pkgs, ... }: {
      badown = pkgs.callPackage ./pkgs/badown.nix {};
      mediafire-dl = pkgs.python3Packages.callPackage ./pkgs/mediafire-dl.nix {};
    });

  }{
    # mkWindowsApp resources:
    # - https://github.com/emmanuelrosa/erosanix/tree/master/pkgs/mkwindowsapp
    # - https://github.com/emmanuelrosa/sumatrapdf-nix/blob/master/sumatrapdf.nix

    packages.x86_64-linux = with nixpkgs.legacyPackages.x86_64-linux; let
      callPackage = newScope (
        { wine = wineWowPackages.full; wineArch = "win64"; }
        // self.lib.x86_64-linux
        // erosanix.lib.x86_64-linux
      );
    in rec {

      pokemon-infinite-fusion = callPackage ./games/infinite-fusion.nix {
        legacy-version = false;
      };

      pokemon-infinite-fusion-legacy = callPackage ./games/infinite-fusion.nix {
        legacy-version = true;
        wine = winePackages.full;
        wineArch = "win32";
      };

      pokemon-project-untamed = callPackage ./games/project-untamed.nix { };

      pokemon-infinity = callPackage ./games/infinity.nix { wine = winePackages.full; wineArch = "win32"; };

      pokemon-uranium = callPackage ./games/uranium.nix { wine = winePackages.full; wineArch = "win32"; };

      pokemon-clockwork = callPackage ./games/clockwork.nix { wine = winePackages.full; wineArch = "win32"; };

      pokemon-xenoverse = callPackage ./games/xenoverse.nix { wine = winePackages.full; wineArch = "win32"; };

      pokemon-anil = callPackage ./games/anil.nix { wine = winePackages.full; wineArch = "win32"; };

    };

    # a mkWindowsApp garbage-collect tool
    apps.x86_64-linux.gc = {
      type = "app";
      program = "${erosanix.packages.x86_64-linux.mkwindowsapp-tools}/bin/mkwindows-tools-gc";
    };

  };
}