diff --git a/flake.lock b/flake.lock
index b1f1728..dd23c79 100644
--- a/flake.lock
+++ b/flake.lock
@@ -65,6 +65,45 @@
       }
     },
     "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "nix-citizen",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1767609335,
+        "narHash": "sha256-feveD98mQpptwrAEggBQKJTYbvwwglSbOv53uCfH9PY=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "250481aafeb741edfe23d29195671c19b36b6dca",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-parts_2": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1767609335,
+        "narHash": "sha256-feveD98mQpptwrAEggBQKJTYbvwwglSbOv53uCfH9PY=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "250481aafeb741edfe23d29195671c19b36b6dca",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "flake-parts_3": {
       "inputs": {
         "nixpkgs-lib": [
           "nixvim",
@@ -85,7 +124,7 @@
         "type": "github"
       }
     },
-    "flake-parts_2": {
+    "flake-parts_4": {
       "inputs": {
         "nixpkgs-lib": [
           "nur",
@@ -162,6 +201,71 @@
         "type": "github"
       }
     },
+    "nix-citizen": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nix-gaming": [
+          "nix-gaming"
+        ],
+        "nix-github-actions": "nix-github-actions",
+        "nixpkgs": "nixpkgs_2",
+        "systems": "systems_2",
+        "treefmt-nix": "treefmt-nix"
+      },
+      "locked": {
+        "lastModified": 1768085843,
+        "narHash": "sha256-fwh2ImVwwHWsUhem3xlscEM6n7q4rkeKXEv25QWdzjs=",
+        "owner": "LovingMelody",
+        "repo": "nix-citizen",
+        "rev": "7b5ad5f6593893cc70c30a5ce45028ea0cd97ab3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "LovingMelody",
+        "repo": "nix-citizen",
+        "type": "github"
+      }
+    },
+    "nix-gaming": {
+      "inputs": {
+        "flake-parts": "flake-parts_2",
+        "nixpkgs": "nixpkgs_3"
+      },
+      "locked": {
+        "lastModified": 1768269856,
+        "narHash": "sha256-O7Qy+w2fK4kBq2I70haCDJYpzbpPW58FscHpRzw9lfA=",
+        "owner": "fufexan",
+        "repo": "nix-gaming",
+        "rev": "c104472764fc9e8926e40ccc7e0e6d540d718458",
+        "type": "github"
+      },
+      "original": {
+        "owner": "fufexan",
+        "repo": "nix-gaming",
+        "type": "github"
+      }
+    },
+    "nix-github-actions": {
+      "inputs": {
+        "nixpkgs": [
+          "nix-citizen",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1737420293,
+        "narHash": "sha256-F1G5ifvqTpJq7fdkT34e/Jy9VCyzd5XfJ9TO8fHhJWE=",
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "rev": "f4158fa080ef4503c8f4c820967d946c2af31ec9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1748162331,
@@ -177,7 +281,54 @@
         "type": "indirect"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1765674936,
+        "narHash": "sha256-k00uTP4JNfmejrCLJOwdObYC9jHRrr/5M/a/8L2EIdo=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "2075416fcb47225d9b68ac469a5c4801a9c4dd85",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1767892417,
+        "narHash": "sha256-dhhvQY67aboBk8b0/u0XB6vwHdgbROZT3fJAjyNh5Ww=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3497aa5c9457a9d88d71fa93a4a8368816fbeeba",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1768032153,
+        "narHash": "sha256-6kD1MdY9fsE6FgSwdnx29hdH2UcBKs3/+JJleMShuJg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3146c6aa9995e7351a398e17470e15305e6e18ff",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1768127708,
         "narHash": "sha256-1Sm77VfZh3mU0F5OqKABNLWxOuDeHIlcFjsXeeiPazs=",
@@ -195,11 +346,11 @@
     },
     "nixvim": {
       "inputs": {
-        "flake-parts": "flake-parts",
+        "flake-parts": "flake-parts_3",
         "nixpkgs": [
           "nixpkgs"
         ],
-        "systems": "systems_2"
+        "systems": "systems_3"
       },
       "locked": {
         "lastModified": 1767906546,
@@ -217,7 +368,7 @@
     },
     "nur": {
       "inputs": {
-        "flake-parts": "flake-parts_2",
+        "flake-parts": "flake-parts_4",
         "nixpkgs": [
           "nixpkgs"
         ]
@@ -241,7 +392,9 @@
         "agenix": "agenix",
         "copyparty": "copyparty",
         "home-manager": "home-manager_2",
-        "nixpkgs": "nixpkgs_2",
+        "nix-citizen": "nix-citizen",
+        "nix-gaming": "nix-gaming",
+        "nixpkgs": "nixpkgs_4",
         "nixvim": "nixvim",
         "nur": "nur"
       }
@@ -275,6 +428,42 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nix-citizen",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1767801790,
+        "narHash": "sha256-QfX6g3Wj2vQe7oBJEbTf0npvC6sJoDbF9hb2+gM5tf8=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "778a1d691f1ef45dd68c661715c5bf8cbf131c80",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 16035c9..4ce9e45 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,6 +12,11 @@
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nix-citizen = {
+      url = "github:LovingMelody/nix-citizen";
+      inputs.nix-gaming.follows = "nix-gaming";
+    };
+    nix-gaming.url = "github:fufexan/nix-gaming";
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     nixvim = {
       url = "github:nix-community/nixvim";
@@ -63,7 +68,13 @@
                 ];
                 backupFileExtension = "backup";
                 extraSpecialArgs = {
-                  inherit userName hostName util;
+                  inherit
+                    inputs
+                    hostName
+                    userName
+                    system
+                    util
+                    ;
                 };
                 useGlobalPkgs = true;
                 useUserPackages = true;
diff --git a/hosts/desktop/configuration.nix b/hosts/desktop/configuration.nix
index 6900948..16a3b7b 100644
--- a/hosts/desktop/configuration.nix
+++ b/hosts/desktop/configuration.nix
@@ -20,6 +20,7 @@
     "link2c"
     "llm"
     "plasma"
+    "star-citizen"
     # keep-sorted end
   ])
   ++ (util.toImports ../../modules/nixos/bundles [
diff --git a/modules/nixos/features/gaming.nix b/modules/nixos/features/gaming.nix
index a33787d..381ede3 100644
--- a/modules/nixos/features/gaming.nix
+++ b/modules/nixos/features/gaming.nix
@@ -19,6 +19,7 @@
 
   programs = {
     gamemode.enable = true;
+    gamescope.enable = true;
     steam = {
       enable = true;
       gamescopeSession.enable = true;
diff --git a/modules/nixos/features/star-citizen.nix b/modules/nixos/features/star-citizen.nix
new file mode 100644
index 0000000..e54f03a
--- /dev/null
+++ b/modules/nixos/features/star-citizen.nix
@@ -0,0 +1,23 @@
+{
+  # keep-sorted start
+  inputs,
+  system,
+  # keep-sorted end
+  ...
+}:
+{
+  nix.settings = {
+    substituters = [ "https://nix-citizen.cachix.org" ];
+    trusted-public-keys = [ "nix-citizen.cachix.org-1:lPMkWc2X8XD4/7YPEEwXKKBg+SVbYTVrAaLA2wQTKCo=" ];
+  };
+
+  environment.systemPackages = [
+    inputs.nix-citizen.packages.${system}.rsi-launcher
+  ];
+
+  zramSwap = {
+    enable = true;
+    memoryPercent = 100;
+    writebackDevice = "/dev/sda1";
+  };
+}