got nvidia propritary Drivers working{

modules/system/applications/default.nix

@@ -0,0 +1,7 @@
+{pkgs,config,...}:{
+  imports = [
+    ./fnv.nix
+  ];
+
+  speccon18.applications.fnv.enable = true;
+}

modules/system/applications/fnv.nix

@@ -0,0 +1,62 @@
+{ pkgs, config, lib, ... }: {
+  options.speccon18.applications.fnv.enable =
+    lib.mkEnableOption "enable config for Fallout New Vegas";
+
+  config = lib.mkIf config.speccon18.applications.fnv.enable {
+
+    # Load nvidia driver for Xorg and Wayland
+    # For offloading, `modesetting` is needed additionally,
+    # otherwise the X-server will be running permanently on nvidia,
+    # thus keeping the GPU always on (see `nvidia-smi`).
+    services.xserver.videoDrivers = [
+      "nvidia"
+    ];
+    
+    # Blacklist Nouveau driver to force 3060 to use nvidia driver
+    boot.blacklistedKernelModules = [ "nouveau" ];
+    
+    # Enable OpenGL
+    hardware = {
+      graphics = { 
+        enable = true;
+        enable32Bit = true;
+
+      };
+      nvidia = {
+        # Optionally, you may need to select the appropriate driver version for your specific GPU.
+        package = config.boot.kernelPackages.nvidiaPackages.latest;
+        prime = {
+          sync.enable = true; 
+          # Make sure to use the correct Bus ID values for your system!
+          intelBusId = "PCI:0:2:0";
+          nvidiaBusId = "PCI:1:0:0";
+        };
+        # Modesetting is required.
+        modesetting.enable = true;
+
+        # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
+        # Enable this if you have graphical corruption issues or application crashes after waking
+        # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead 
+        # of just the bare essentials.
+        powerManagement.enable = false;
+
+        # Fine-grained power management. Turns off GPU when not in use.
+        # Experimental and only works on modern Nvidia GPUs (Turing or newer).
+        powerManagement.finegrained = false;
+
+        # Use the NVidia open source kernel module (not to be confused with the
+        # independent third-party "nouveau" open source driver).
+        # Support is limited to the Turing and later architectures. Full list of 
+        # supported GPUs is at: 
+        # https://github.com/NVIDIA/open-gpu-kernel-modules#compatible-gpus 
+        # Only available from driver 515.43.04+
+        open = true;
+
+        # Enable the Nvidia settings menu,
+        # accessible via `nvidia-settings`.
+        nvidiaSettings = true;
+      };
+    };
+  };
+}
+

modules/system/default.nix

@@ -2,5 +2,6 @@
   imports = [
     ./desktop-environments
     ./services
+    ./applications
   ];
 }