diff --git a/machines/kotys/hardware-configuration.nix b/machines/kotys/hardware-configuration.nix
index 5d65231..6fff334 100644
--- a/machines/kotys/hardware-configuration.nix
+++ b/machines/kotys/hardware-configuration.nix
@@ -1,31 +1,35 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
 {
-  imports =
-    [ (modulesPath + "/profiles/qemu-guest.nix")
-    ];
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
 
-  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "sr_mod" "virtio_blk" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ ];
-  boot.extraModulePackages = [ ];
+  boot.initrd.availableKernelModules = ["ata_piix" "uhci_hcd" "virtio_pci" "sr_mod" "virtio_blk"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = [];
+  boot.extraModulePackages = [];
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/d56cbded-5e03-4fa2-bcfd-3a284bdae664";
-      fsType = "xfs";
-    };
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/d56cbded-5e03-4fa2-bcfd-3a284bdae664";
+    fsType = "xfs";
+  };
 
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/12CE-A600";
-      fsType = "vfat";
-    };
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/12CE-A600";
+    fsType = "vfat";
+  };
 
-  swapDevices =
-    [ { device = "/dev/disk/by-uuid/e9ec410f-8e92-4daf-a0b8-90828df6f96f"; }
-    ];
+  swapDevices = [
+    {device = "/dev/disk/by-uuid/e9ec410f-8e92-4daf-a0b8-90828df6f96f";}
+  ];
 
   # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
   # (the default) this is the recommended approach. When using systemd-networkd it's
diff --git a/modules/steam.nix b/modules/steam.nix
new file mode 100644
index 0000000..32036be
--- /dev/null
+++ b/modules/steam.nix
@@ -0,0 +1,23 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; {
+  options.elss.steam.enable = mkEnableOption "Enable steam";
+
+  config = let
+    cfg = config.elss.steam;
+  in
+    mkIf cfg.enable {
+      programs.steam = {
+        enable = true;
+        remotePlay.openFirewall = true;
+        extraCompatPackages = with pkgs; [
+          proton-ge-bin
+        ];
+        gamescopeSession.enable = true;
+      };
+    };
+}