{
  # 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;
    programs.steam = {
      enable = true;
      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 = "1";
          ENABLE_GAMESCOPE_WSI = "1";
          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
        ];
      };
    };
  };
}