diff --git a/configs/common.nix b/configs/common.nix
index b5a5fa6..e0e5ae2 100644
--- a/configs/common.nix
+++ b/configs/common.nix
@@ -190,7 +190,7 @@
       mpv
       prismlauncher
       delfin
-      libreoffice-qt6
+      onlyoffice-desktopeditors
       syncthing
       xremap
       blueman
@@ -216,10 +216,6 @@
   };
 
   # User programs
-  programs.steam = {
-    enable = true;
-    package = pkgs.unstable.steam;
-  };
   programs.walker.enable = true;
   programs.dconf.enable = true;
   programs.xfconf.enable = true;
diff --git a/configs/configuration-pc.nix b/configs/configuration-pc.nix
index 249a355..6e1a378 100644
--- a/configs/configuration-pc.nix
+++ b/configs/configuration-pc.nix
@@ -64,6 +64,7 @@
       bottles
       ferdium
       android-tools
+      anki
       vesktop
       wine64
       delfin
@@ -75,6 +76,23 @@
     ];
   };
 
+  environment.systemPackages = [
+    inputs.sls-steam.packages.${pkgs.stdenv.hostPlatform.system}.wrapped
+  ];
+
+  programs.steam = {
+    enable = true;
+    package = pkgs.steam.override {
+      extraEnv = {
+        LD_AUDIT = "${
+          inputs.sls-steam.packages.${pkgs.stdenv.hostPlatform.system}.sls-steam
+        }/library-inject.so:${
+          inputs.sls-steam.packages.${pkgs.stdenv.hostPlatform.system}.sls-steam
+        }/SLSsteam.so";
+      };
+    };
+  };
+
   services.wivrn = {
     enable = true;
     package = pkgs.unstable.wivrn;
diff --git a/flake.lock b/flake.lock
index 8708532..f171674 100644
--- a/flake.lock
+++ b/flake.lock
@@ -151,6 +151,22 @@
       }
     },
     "nixpkgs_5": {
+      "locked": {
+        "lastModified": 1771008912,
+        "narHash": "sha256-gf2AmWVTs8lEq7z/3ZAsgnZDhWIckkb+ZnAo5RzSxJg=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "a82ccc39b39b621151d6732718e3e250109076fa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_6": {
       "locked": {
         "lastModified": 1756787288,
         "narHash": "sha256-rw/PHa1cqiePdBxhF66V7R+WAP8WekQ0mCDG4CFqT8Y=",
@@ -166,7 +182,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_6": {
+    "nixpkgs_7": {
       "locked": {
         "lastModified": 1768564909,
         "narHash": "sha256-Kell/SpJYVkHWMvnhqJz/8DqQg2b6PguxVWOuadbHCc=",
@@ -182,7 +198,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_7": {
+    "nixpkgs_8": {
       "locked": {
         "lastModified": 1761597516,
         "narHash": "sha256-wxX7u6D2rpkJLWkZ2E932SIvDJW8+ON/0Yy8+a5vsDU=",
@@ -222,6 +238,7 @@
         "elephant": "elephant",
         "mesa-davinci": "mesa-davinci",
         "nixpkgs": "nixpkgs_4",
+        "sls-steam": "sls-steam",
         "tree-sitter": "tree-sitter",
         "walker": "walker",
         "way-edges": "way-edges"
@@ -248,6 +265,24 @@
         "type": "github"
       }
     },
+    "sls-steam": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_5"
+      },
+      "locked": {
+        "lastModified": 1769361037,
+        "narHash": "sha256-dWnjQpGNKEwIMPNoUp765q2QlVRCX58KbNm0ZBrTL80=",
+        "owner": "AceSLS",
+        "repo": "SLSsteam",
+        "rev": "6aae05be2fa2f8d5f1c5906658a3d41ad30d6352",
+        "type": "github"
+      },
+      "original": {
+        "owner": "AceSLS",
+        "repo": "SLSsteam",
+        "type": "github"
+      }
+    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,
@@ -295,7 +330,7 @@
     },
     "tree-sitter": {
       "inputs": {
-        "nixpkgs": "nixpkgs_5"
+        "nixpkgs": "nixpkgs_6"
       },
       "locked": {
         "lastModified": 1765318765,
@@ -335,7 +370,7 @@
         "elephant": [
           "elephant"
         ],
-        "nixpkgs": "nixpkgs_6",
+        "nixpkgs": "nixpkgs_7",
         "systems": "systems_3"
       },
       "locked": {
@@ -354,7 +389,7 @@
     },
     "way-edges": {
       "inputs": {
-        "nixpkgs": "nixpkgs_7",
+        "nixpkgs": "nixpkgs_8",
         "rust-overlay": "rust-overlay"
       },
       "locked": {
diff --git a/flake.nix b/flake.nix
index 7a25b19..b344529 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,6 +4,10 @@
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
 
+    sls-steam = {
+      url = "github:AceSLS/SLSsteam";
+    };
+
     elephant.url = "github:abenz1267/elephant";
     walker = {
       url = "github:abenz1267/walker";
@@ -28,35 +32,29 @@
     }@inputs:
     let
       system = "x86_64-linux";
+
       hardwareConfig = import /etc/nixos/hardware-configuration.nix;
+      common = import ./configs/common.nix;
+
+      mkSystem =
+        extraModules:
+        nixpkgs.lib.nixosSystem {
+          inherit system;
+          specialArgs = { inherit inputs; };
+          modules = [
+            common
+            hardwareConfig
+          ]
+          ++ extraModules;
+        };
     in
     {
-      nixosConfigurations.mobile02 = nixpkgs.lib.nixosSystem {
-        inherit system;
-        specialArgs = { inherit inputs; };
-
-        modules = [
-          ./configs/configuration-laptop.nix
-          ./configs/common.nix
-          hardwareConfig
-          {
-            nixpkgs.config.allowUnfree = true;
-          }
-        ];
-      };
-      nixosConfigurations.hackstation = nixpkgs.lib.nixosSystem {
-        inherit system;
-        specialArgs = { inherit inputs; };
-
-        modules = [
+      nixosConfigurations = {
+        mobile02 = mkSystem [ ./configs/configuration-laptop.nix ];
+        hackstation = mkSystem [
           ./configs/configuration-pc.nix
-          ./configs/common.nix
           ./modules/davinci/davinci.nix
           ./modules/i3/i3.nix
-          hardwareConfig
-          {
-            nixpkgs.config.allowUnfree = true;
-          }
         ];
       };
     };
diff --git a/modules/chataigne/chataigne.nix b/modules/chataigne/chataigne.nix
index 8881920..be92a9d 100644
--- a/modules/chataigne/chataigne.nix
+++ b/modules/chataigne/chataigne.nix
@@ -13,7 +13,7 @@ let
     curl
     SDL2
     hidapi
-    xorg.libXrandr
+    libXrandr
   ];
 
   # 2b. Libraries pulled from the older, pinned package set (ONLY the ones that failed).