{...}: {
  # TODO: previously injected SLSsteam via LD_AUDIT from the sls-steam flake. Now stock.
  flake.nixosModules.steam = {pkgs, ...}: {
    programs.steam = {
      enable = true;
      protontricks.enable = true;
      extraCompatPackages = with pkgs; [
        proton-ge-bin
      ];
    };
  };
}