Honkers launcher stuck after downloading

Hi there, I'm new to NixOs and wanted to add Honkers to my config.

{
  description = "Balssh NixOS Config";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    nur.url = "github:nix-community/NUR";

    hypr-contrib.url = "github:hyprwm/contrib";
    hyprpicker.url = "github:hyprwm/hyprpicker";

    alejandra.url = "github:kamadorueda/alejandra/3.0.0";

    nix-gaming.url = "github:fufexan/nix-gaming";

    hyprland = {
      type = "git";
      url = "https://github.com/hyprwm/Hyprland";
      submodules = true;
    };

    firefox-addons = {
      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    aagl = {
      url = "github:ezKEa/aagl-gtk-on-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    nixpkgs,
    self,
    ...
  } @ inputs: let
    username = "balssh";
    system = "x86_64-linux";
    pkgs = import nixpkgs {
      inherit system;
      config.allowUnfree = true;
    };
    lib = nixpkgs.lib;
  in {
    nixosConfigurations = {
      laptop = nixpkgs.lib.nixosSystem {
        inherit system;
        modules = [
          (import ./hosts/laptop)
          {
            imports = [inputs.aagl.nixosModules.default];
            nix.settings = inputs.aagl.nixConfig; # Set up Cachix
            programs.anime-games-launcher.enable = true;
            programs.honkers-railway-launcher.enable = true;
          }
        ];
        specialArgs = {
          host = "laptop";
          inherit self inputs username;
        };
      };
    };
  };
}

Now, I can rebuild the flake just fine, I can launch the honkers launcher fine, but after downloading the 34gbs it gets stuck either at 100% or right after, at 0% unpacking. Would be really thankful for some indications.

ezKEa / aagl-gtk-on-nix

Honkers launcher stuck after downloading #131