diff --git a/nix/configuration/roles/ssh/default.nix b/nix/configuration/roles/ssh/default.nix
index a73875c..ba69def 100644
--- a/nix/configuration/roles/ssh/default.nix
+++ b/nix/configuration/roles/ssh/default.nix
@@ -20,4 +20,12 @@
       ];
     };
   };
+
+  home-manager.users.talexander =
+    { pkgs, ... }:
+    {
+      home.file.".ssh/config" = {
+        source = ./files/ssh_config;
+      };
+    };
 }
diff --git a/nix/configuration/roles/ssh/files/ssh_config b/nix/configuration/roles/ssh/files/ssh_config
new file mode 100644
index 0000000..31c0f00
--- /dev/null
+++ b/nix/configuration/roles/ssh/files/ssh_config
@@ -0,0 +1,34 @@
+Host poudriere
+  ProxyJump talexander@mrmanager
+  HostName 10.215.1.203
+
+Host controller0
+  ProxyJump talexander@mrmanager
+  HostName 10.215.1.204
+
+Host controller1
+  ProxyJump talexander@mrmanager
+  HostName 10.215.1.205
+
+Host controller2
+  ProxyJump talexander@mrmanager
+  HostName 10.215.1.206
+
+Host worker0
+  ProxyJump talexander@mrmanager
+  HostName 10.215.1.207
+
+Host worker1
+  ProxyJump talexander@mrmanager
+  HostName 10.215.1.208
+
+Host worker2
+  ProxyJump talexander@mrmanager
+  HostName 10.215.1.209
+
+Host brianai
+  ProxyJump talexander@mrmanager
+  HostName 10.215.1.215
+
+Host *
+  Compression yes
diff --git a/nix/steam_deck/configuration/flake.lock b/nix/steam_deck/configuration/flake.lock
index bcf4c6b..491c594 100644
--- a/nix/steam_deck/configuration/flake.lock
+++ b/nix/steam_deck/configuration/flake.lock
@@ -1,12 +1,83 @@
 {
   "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1739314552,
+        "narHash": "sha256-ggVf2BclyIW3jexc/uvgsgJH4e2cuG6Nyg54NeXgbFI=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "83bd3a26ac0526ae04fa74df46738bb44b89dcdd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "impermanence": {
+      "locked": {
+        "lastModified": 1737831083,
+        "narHash": "sha256-LJggUHbpyeDvNagTUrdhe/pRVp4pnS6wVKALS782gRI=",
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "rev": "4b3e914cdf97a5b536a889e939fb2fd2b043a170",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "type": "github"
+      }
+    },
+    "nixgl": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1713543440,
+        "narHash": "sha256-lnzZQYG0+EXl/6NkGpyIz+FEOc/DSEG57AP1VsdeNrM=",
+        "owner": "nix-community",
+        "repo": "nixGL",
+        "rev": "310f8e49a149e4c9ea52f1adf70cdc768ec53f8a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixGL",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1739019272,
-        "narHash": "sha256-7Fu7oazPoYCbDzb9k8D/DdbKrC3aU1zlnc39Y8jy/s8=",
+        "lastModified": 1739138025,
+        "narHash": "sha256-M4ilIfGxzbBZuURokv24aqJTbdjPA9K+DtKUzrJaES4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "fa35a3c8e17a3de613240fea68f876e5b4896aec",
+        "rev": "b2243f41e860ac85c0b446eadc6930359b294e79",
         "type": "github"
       },
       "original": {
@@ -18,6 +89,9 @@
     },
     "root": {
       "inputs": {
+        "home-manager": "home-manager",
+        "impermanence": "impermanence",
+        "nixgl": "nixgl",
         "nixpkgs": "nixpkgs"
       }
     }
diff --git a/nix/steam_deck/configuration/flake.nix b/nix/steam_deck/configuration/flake.nix
index 1b41f40..b1fbdbd 100644
--- a/nix/steam_deck/configuration/flake.nix
+++ b/nix/steam_deck/configuration/flake.nix
@@ -3,34 +3,52 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    nixgl.url = "github:nix-community/nixGL";
+    nixgl.inputs.nixpkgs.follows = "nixpkgs";
+    home-manager = {
+      url = "github:nix-community/home-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    impermanence = {
+      url = "github:nix-community/impermanence";
+    };
   };
   outputs =
     {
       nixpkgs,
+      nixgl,
+      home-manager,
+      impermanence,
       ...
     }:
     let
       system = "x86_64-linux";
-      pkgs = nixpkgs.legacyPackages.${system};
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [ nixgl.overlay ];
+      };
     in
+    # pkgs = nixpkgs.legacyPackages.${system};
     {
-      packages.${system}.default = pkgs.buildEnv {
-        name = "default";
-        paths = [
-          pkgs.emacs
-          pkgs.mg
-          pkgs.steam-rom-manager
+      defaultPackage.${system} = home-manager.defaultPackage.${system};
+      homeConfigurations."deck" = home-manager.lib.homeManagerConfiguration {
+        inherit pkgs;
+
+        extraSpecialArgs = { inherit nixgl; };
+
+        modules = [
+          { nixpkgs.overlays = [ nixgl.overlay ]; }
+          impermanence.homeManagerModules.impermanence
+          ./hosts/deck
+          ./home.nix
         ];
       };
-
-      formatter.${system} = pkgs.nixfmt-rfc-style;
-      # formatter.${system} = pkgs.alejandra;
     };
 
-  # nixConfig = {
-  #   experimental-features = [
-  #     "nix-command"
-  #     "flakes"
-  #   ];
-  # };
+  nixConfig = {
+    experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+  };
 }
diff --git a/nix/steam_deck/configuration/home.nix b/nix/steam_deck/configuration/home.nix
new file mode 100644
index 0000000..cbb12f9
--- /dev/null
+++ b/nix/steam_deck/configuration/home.nix
@@ -0,0 +1,52 @@
+# TODO: Optimize for znver2
+{
+  config,
+  pkgs,
+  nixgl,
+  ...
+}:
+{
+  imports = [
+    ./roles/2ship2harkinian
+    ./roles/graphics
+    ./roles/shipwright
+    ./roles/sm64ex
+    ./roles/steam_rom_manager
+    ./util/unfree_polyfill
+  ];
+
+  home.username = "deck";
+  home.homeDirectory = "/home/deck";
+  home.stateVersion = "24.11";
+
+  programs.home-manager.enable = true;
+
+  # enable flakes
+  nix = {
+    package = pkgs.nix;
+    settings.experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+  };
+  # Automatic garbage collection
+  nix.gc = {
+    # Runs nix-collect-garbage --delete-older-than 30d
+    automatic = true;
+    randomizedDelaySec = "14m";
+    options = "--delete-older-than 30d";
+  };
+  nix.settings.auto-optimise-store = true;
+
+  home.packages = with pkgs; [
+    pkgs.nixgl.nixGLIntel
+    (pkgs.nixgl.nixGLCommon pkgs.nixgl.nixGLIntel)
+    pkgs.nixgl.nixVulkanIntel
+  ];
+
+  # This would keep build-time dependencies so I can rebuild while offline.
+  # nix.settings = {
+  #   keep-outputs = true;
+  #   keep-derivations = true;
+  # };
+}
diff --git a/nix/steam_deck/configuration/hosts/deck/default.nix b/nix/steam_deck/configuration/hosts/deck/default.nix
new file mode 100644
index 0000000..fb5c5e5
--- /dev/null
+++ b/nix/steam_deck/configuration/hosts/deck/default.nix
@@ -0,0 +1,18 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  config = {
+    me.graphical = true;
+    me.ship2harkinian.enable = true;
+    me.shipwright.enable = true;
+    me.sm64ex.enable = true;
+    me.steam_rom_manager.enable = true; # Steam rom manager UI does not render. I think it wants to be in an AppImage.
+  };
+}
diff --git a/nix/steam_deck/configuration/roles/2ship2harkinian/default.nix b/nix/steam_deck/configuration/roles/2ship2harkinian/default.nix
new file mode 100644
index 0000000..2447746
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/2ship2harkinian/default.nix
@@ -0,0 +1,78 @@
+# MANUAL: mkdir -p ~/.persist/.local/share/2ship/saves
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  steam_2s2h = pkgs.writeScriptBin "steam_2s2h" ''
+    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.libglvnd}/lib"
+    exec ${pkgs._2ship2harkinian}/bin/2s2h
+  '';
+in
+{
+  imports = [ ];
+
+  options.me = {
+    ship2harkinian.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install 2ship2harkinian.";
+    };
+  };
+
+  config = lib.mkIf config.me.ship2harkinian.enable (
+    lib.mkMerge [
+      {
+        allowedUnfree = [ "2ship2harkinian" ];
+      }
+      (lib.mkIf config.me.graphical {
+        home.packages = with pkgs; [
+          _2ship2harkinian
+          steam_2s2h
+        ];
+
+        home.file.".local/share/2ship/2ship2harkinian.json" = {
+          source = ./files/2ship2harkinian.json;
+        };
+
+        home.persistence."/home/deck/.persist" = {
+          directories = [
+            {
+              directory = ".local/share/2ship/saves";
+              method = "symlink";
+            }
+          ];
+        };
+        home.persistence."/home/deck/.state" = {
+          files = [
+            ".local/share/2ship/mm.o2r"
+          ];
+        };
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            _2ship2harkinian = pkgs.buildEnv {
+              name = prev._2ship2harkinian.name;
+              paths = [
+                (config.lib.nixGL.wrap prev._2ship2harkinian)
+              ];
+              extraOutputsToInstall = [
+                "man"
+                "doc"
+                "info"
+              ];
+              # We have to use 555 instead of the normal 444 here because the .desktop file ends up inside $HOME on steam deck and desktop files must be either not in $HOME or must be executable, otherwise KDE Plasma refuses to execute them.
+              postBuild = ''
+                chmod 0555 $out/share/applications/2s2h.desktop
+              '';
+            };
+          })
+        ];
+      })
+    ]
+  );
+}
diff --git a/nix/steam_deck/configuration/roles/2ship2harkinian/files/2ship2harkinian.json b/nix/steam_deck/configuration/roles/2ship2harkinian/files/2ship2harkinian.json
new file mode 100644
index 0000000..87a4f88
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/2ship2harkinian/files/2ship2harkinian.json
@@ -0,0 +1,15 @@
+{
+  "CVars": {
+    "gInterpolationFPS": 60,
+    "gSettings": {
+      "InternalResolution": 2.0,
+      "MSAAValue": 2,
+      "OpenMenuBar": 0
+    }
+  },
+  "Window": {
+    "Fullscreen": {
+      "Enabled": true
+    }
+  }
+}
diff --git a/nix/steam_deck/configuration/roles/blank/default.nix b/nix/steam_deck/configuration/roles/blank/default.nix
new file mode 100644
index 0000000..9060e79
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/blank/default.nix
@@ -0,0 +1,30 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me = {
+    blank.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install blank.";
+    };
+  };
+
+  config = lib.mkIf config.me.blank.enable (
+    lib.mkMerge [
+      {
+        home.packages = with pkgs; [
+        ];
+      }
+      (lib.mkIf config.me.graphical {
+      })
+    ]
+  );
+}
diff --git a/nix/steam_deck/configuration/roles/graphics/default.nix b/nix/steam_deck/configuration/roles/graphics/default.nix
new file mode 100644
index 0000000..c6f48d5
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/graphics/default.nix
@@ -0,0 +1,43 @@
+{
+  config,
+  lib,
+  pkgs,
+  nixgl,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  options.me.graphics_card_type = lib.mkOption {
+    type = lib.types.nullOr (
+      lib.types.enum [
+        "amd"
+        "intel"
+        "nvidia"
+      ]
+    );
+    default = null;
+    example = "amd";
+    description = "What graphics card type is in the computer.";
+  };
+
+  options.me.graphical = lib.mkOption {
+    type = lib.types.bool;
+    default = false;
+    example = true;
+    description = "Whether we want to install graphical programs.";
+  };
+
+  config = (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        nixGL.packages = nixgl.packages;
+        # home.packages = with pkgs; [
+        #   mesa-demos # for glxgears
+        #   vulkan-tools # for vkcube
+        # ];
+      })
+    ]
+  );
+}
diff --git a/nix/steam_deck/configuration/roles/shipwright/default.nix b/nix/steam_deck/configuration/roles/shipwright/default.nix
new file mode 100644
index 0000000..49ad9ee
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/shipwright/default.nix
@@ -0,0 +1,78 @@
+# MANUAL: mkdir -p ~/.persist/.local/share/soh/Save
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  steam_shipwright = pkgs.writeScriptBin "steam_soh" ''
+    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.libglvnd}/lib"
+    exec ${pkgs.shipwright}/bin/soh
+  '';
+in
+{
+  imports = [ ];
+
+  options.me = {
+    shipwright.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install shipwright.";
+    };
+  };
+
+  config = lib.mkIf config.me.shipwright.enable (
+    lib.mkMerge [
+      {
+        allowedUnfree = [ "shipwright" ];
+      }
+      (lib.mkIf config.me.graphical {
+        home.packages = with pkgs; [
+          shipwright
+          steam_shipwright
+        ];
+
+        home.file.".local/share/soh/shipofharkinian.json" = {
+          source = ./files/shipofharkinian.json;
+        };
+
+        home.persistence."/home/deck/.persist" = {
+          directories = [
+            {
+              directory = ".local/share/soh/Save";
+              method = "symlink";
+            }
+          ];
+        };
+        home.persistence."/home/deck/.state" = {
+          files = [
+            ".local/share/soh/oot.otr"
+          ];
+        };
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            shipwright = pkgs.buildEnv {
+              name = prev.shipwright.name;
+              paths = [
+                (config.lib.nixGL.wrap prev.shipwright)
+              ];
+              extraOutputsToInstall = [
+                "man"
+                "doc"
+                "info"
+              ];
+              # We have to use 555 instead of the normal 444 here because the .desktop file ends up inside $HOME on steam deck and desktop files must be either not in $HOME or must be executable, otherwise KDE Plasma refuses to execute them.
+              postBuild = ''
+                chmod 0555 $out/share/applications/soh.desktop
+              '';
+            };
+          })
+        ];
+      })
+    ]
+  );
+}
diff --git a/nix/steam_deck/configuration/roles/shipwright/files/shipofharkinian.json b/nix/steam_deck/configuration/roles/shipwright/files/shipofharkinian.json
new file mode 100644
index 0000000..0f440ef
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/shipwright/files/shipofharkinian.json
@@ -0,0 +1,19 @@
+{
+  "CVars": {
+    "gInternalResolution": 2.0,
+    "gInterpolationFPS": 60,
+    "gMSAAValue": 2,
+    "gMatchRefreshRate": 0,
+    "gOnFileSelectNameEntry": 0,
+    "gOpenWindows": {
+      "modalWindowEnabled": 1
+    },
+    "gZFightingMode": 0
+  },
+  "ConfigVersion": 2,
+  "Window": {
+    "Fullscreen": {
+      "Enabled": true
+    }
+  }
+}
diff --git a/nix/steam_deck/configuration/roles/sm64ex/default.nix b/nix/steam_deck/configuration/roles/sm64ex/default.nix
new file mode 100644
index 0000000..a081885
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/sm64ex/default.nix
@@ -0,0 +1,91 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  steam_sm64ex = pkgs.writeScriptBin "steam_sm64ex" ''
+    export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.libglvnd}/lib"
+    exec ${pkgs.sm64ex}/bin/sm64ex
+  '';
+in
+{
+  imports = [ ];
+
+  options.me = {
+    sm64ex.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install sm64ex.";
+    };
+  };
+
+  config = lib.mkIf config.me.sm64ex.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        allowedUnfree = [ "sm64ex" ];
+
+        home.packages = with pkgs; [
+          sm64ex
+          steam_sm64ex
+        ];
+
+        # nixpkgs.overlays = [
+        #   (final: prev: {
+        #     sm4ex = prev.sm64ex.override {
+        #       baseRom.name = "SuperMario64.z64";
+        #     };
+        #   })
+        # ];
+
+        home.file.".local/share/sm64ex/sm64config.txt" = {
+          source = ./files/sm64config.txt;
+        };
+
+        home.persistence."/home/deck/.persist" = {
+          files = [
+            ".local/share/sm64ex/sm64_save_file.bin"
+          ];
+        };
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            sm64ex =
+              let
+                desktop_item = pkgs.makeDesktopItem {
+                  name = "sm64ex";
+                  desktopName = "Super Mario 64";
+                  comment = "A PC Port of Super Mario 64.";
+                  categories = [
+                    "Game"
+                  ];
+                  icon = "sm64ex";
+                  type = "Application";
+                  exec = "sm64ex";
+                };
+              in
+              pkgs.buildEnv {
+                name = prev.sm64ex.name;
+                paths = [
+                  (config.lib.nixGL.wrap prev.sm64ex)
+                ];
+                extraOutputsToInstall = [
+                  "man"
+                  "doc"
+                  "info"
+                ];
+                # We have to use 555 instead of the normal 444 here because the .desktop file ends up inside $HOME on steam deck and desktop files must be either not in $HOME or must be executable, otherwise KDE Plasma refuses to execute them.
+                postBuild = ''
+                  install -m 555 -D "${desktop_item}/share/applications/"* -t $out/share/applications/
+                  install -m 444 -D "${./files/icon.png}" $out/share/pixmaps/sm64ex.png
+                '';
+              };
+          })
+        ];
+      })
+    ]
+  );
+}
diff --git a/nix/steam_deck/configuration/roles/sm64ex/files/sm64config.txt b/nix/steam_deck/configuration/roles/sm64ex/files/sm64config.txt
new file mode 100644
index 0000000..2edf4b9
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/sm64ex/files/sm64config.txt
@@ -0,0 +1 @@
+fullscreen true
diff --git a/nix/steam_deck/configuration/roles/steam_rom_manager/default.nix b/nix/steam_deck/configuration/roles/steam_rom_manager/default.nix
new file mode 100644
index 0000000..95b4bb6
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/steam_rom_manager/default.nix
@@ -0,0 +1,33 @@
+{
+  stdenv,
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  package = (pkgs.callPackage ./package.nix { });
+in
+{
+  imports = [ ];
+
+  options.me = {
+    steam_rom_manager.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install steam_rom_manager.";
+    };
+  };
+
+  config = lib.mkIf config.me.steam_rom_manager.enable (
+    lib.mkMerge [
+      (lib.mkIf config.me.graphical {
+        home.packages = with pkgs; [
+          package
+        ];
+      })
+    ]
+  );
+}
diff --git a/nix/steam_deck/configuration/roles/steam_rom_manager/package.nix b/nix/steam_deck/configuration/roles/steam_rom_manager/package.nix
new file mode 100644
index 0000000..62e4ad9
--- /dev/null
+++ b/nix/steam_deck/configuration/roles/steam_rom_manager/package.nix
@@ -0,0 +1,49 @@
+{
+  stdenv,
+  lib,
+  pkgs,
+  makeDesktopItem,
+}:
+
+let
+  version = "2.5.29";
+  icon = pkgs.fetchurl {
+    url = "https://github.com/SteamGridDB/steam-rom-manager/blob/master/src/assets/icons/512x512.png?raw=true";
+    hash = "sha256-Nx29nJ2+44AYrTLP+CNmDJFAf2sjrH7sfYhg9fJx2qo=";
+  };
+in
+stdenv.mkDerivation {
+  name = "steam-rom-manager";
+  src = pkgs.fetchurl {
+    url = "https://github.com/SteamGridDB/steam-rom-manager/releases/download/v${version}/Steam-ROM-Manager-${version}.AppImage";
+    hash = "sha256-6ZJ+MGIgr2osuQuqD6N9NnPiJFNq/HW6ivG8tyXUhvs=";
+  };
+  phases = [
+    "installPhase"
+  ];
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    install --mode=0755 $src $out/bin/steam-rom-manager
+    runHook postInstall
+  '';
+  # We have to use 555 instead of the normal 444 here because the .desktop file ends up inside $HOME on steam deck and desktop files must be either not in $HOME or must be executable, otherwise KDE Plasma refuses to execute them.
+  postInstall = ''
+    mkdir -p $out/share/{applications,pixmaps}
+    install -m 555 -D "$desktopItem/share/applications/"* -t $out/share/applications/
+    install -m 444 -D "${icon}" $out/share/pixmaps/steamrommanager.png
+  '';
+
+  desktopItem = makeDesktopItem {
+    name = "steam-rom-manager";
+    desktopName = "Steam Rom Manager";
+    comment = "Manage additional entries in the Steam launcher.";
+    categories = [
+      "Application"
+      "Utility"
+    ];
+    icon = "steamrommanager";
+    type = "Application";
+    exec = "steam-rom-manager";
+  };
+}
diff --git a/nix/steam_deck/configuration/util/unfree_polyfill/default.nix b/nix/steam_deck/configuration/util/unfree_polyfill/default.nix
new file mode 100644
index 0000000..d744cf4
--- /dev/null
+++ b/nix/steam_deck/configuration/util/unfree_polyfill/default.nix
@@ -0,0 +1,15 @@
+{ config, lib, ... }:
+
+let
+  inherit (builtins) elem;
+  inherit (lib) getName mkOption;
+  inherit (lib.types) listOf str;
+in
+{
+  # Pending https://github.com/NixOS/nixpkgs/issues/55674
+  options.allowedUnfree = mkOption {
+    type = listOf str;
+    default = [ ];
+  };
+  config.nixpkgs.config.allowUnfreePredicate = p: elem (getName p) config.allowedUnfree;
+}