{
  # Snowfall Lib provides a customized `lib` instance with access to your flake's library
  # as well as the libraries available from your flake's inputs.
  lib, 
  # An instance of `pkgs` with your overlays and packages applied is also available.
  pkgs, 
  # You also have access to your flake's inputs.
  inputs, 
  # Additional metadata is provided by Snowfall Lib.
  # The namespace used for your flake, defaulting to "internal" if not set.
  namespace, 
  # The system architecture for this host (eg. `x86_64-linux`).
  system, 
  # The Snowfall Lib target for this system (eg. `x86_64-iso`).
  target, 
  # A normalized name for the system target (eg. `iso`).
  format, 
  # A boolean to determine whether this system is a virtual target using nixos-generators.
  virtual, 
  # An attribute map of your defined hosts.
  systems, 
  # All other arguments come from the system system.
  config
, ...
}:{
  config = {
    # programs.gamescope = {
    #   enable = true;
    #   capSysNice = true;
    # };
    environment.systemPackages = with pkgs; [
      protonup-ng  # Tool to install and manage Proton-GE
      lutris
      vkd3d
      dxvk
      corefonts
      protontricks
      mangohud
      vkbasalt
      gamescope
    ];
    programs.steam = {
      enable = true;
      package = pkgs.steam.override {
        extraPkgs = pkgs: with pkgs; [
          gamemode
        ];
        extraEnv = {
          SDL_VIDEODRIVER = "wayland";
          SDL_GAMECONTROLLERCONFIG = "$(cat <<-END
060000000d0f00009601000000000000,Steam Controller (HHD),a:b0,b:b1,x:b2,y:b3,back:b6,guide:b8,start:b7,leftstick:b9,rightstick:b10,leftshoulder:b4,rightshoulder:b5,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,leftx:a0,lefty:a1,rightx:a3,righty:a4,lefttrigger:a2,righttrigger:a5,paddle1:b13,paddle2:b12,paddle3:b15,paddle4:b14,misc2:b11,misc3:b16,misc4:b17,crc:ea35,
0300a81c5e040000a102000000010000,X360 Wireless Controller,a:b0,b:b1,back:b6,dpdown:b12,dpleft:b13,dpright:b14,dpup:b11,guide:b8,leftshoulder:b4,leftstick:b9,lefttrigger:a2,leftx:a0,lefty:a1,rightshoulder:b5,rightstick:b10,righttrigger:a5,rightx:a3,righty:a4,start:b7,x:b2,y:b3,platform:Linux,crc:1ca8,
$SDL_GAMECONTROLLERCONFIG
END
)"
        };
      };
      remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
      dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
      localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers

    #   gamescopeSession = {
    #     enable = true;
    #     env = {
    #       WLR_RENDERER = "vulkan";
    #       DXVK_HDR = "0 ";
    #       ENABLE_GAMESCOPE_WSI = "0";
    #       WINE_FULLSCREEN_FSR = "1";
    #       # Games allegedly prefer X11
    #       SDL_VIDEODRIVER = "x11";
    #     };
    #     args = [
    #       "--xwayland-count 1"
    #       "--expose-wayland"

    #       "-e" # Enable steam integration
    #       "--steam"

    #       # "--adaptive-sync"
    #       # "--hdr-enabled"
    #       # "--hdr-itm-enable"

    #       # External monitor
    #       "--prefer-output DP-3"
    #       "--output-width 1920"
    #       "--output-height 1080"
    #       "-r 172"

    #       # Laptop display
    #       # "--prefer-output eDP-1"
    #       # "--output-width 2560"
    #       # "--output-height 1600"
    #       # "-r 120"
          
    #       # "--prefer-vk-device 10de:1b81" # lspci -nn | grep VGA
    #     ];
    #   };
    };
  };
}