diff --git a/nix/sourcemod/hl2sdk.nix b/nix/sourcemod/hl2sdk.nix
index bc41be7..b333adc 100644
--- a/nix/sourcemod/hl2sdk.nix
+++ b/nix/sourcemod/hl2sdk.nix
@@ -4,14 +4,9 @@
   nix-update-script,
   lib,
 }: let
-  inherit (builtins) mapAttrs elem;
+  inherit (builtins) mapAttrs;
   inherit (lib) optionals importJSON;
   revisions = importJSON ./hl2sdks.json;
-  # from https://github.com/alliedmodders/hl2sdk-manifests/tree/master/manifests
-  linuxX86Sdks = ["episode1" "orangebox" "css" "hl2dm" "dods" "sdk2013" "tf2" "l4d" "l4d2" "nucleardawn" "csgo" "insurgency" "bms" "doi"];
-  linuxX64Sdks = ["mcv" "blade" "csgo" "tf2" "cs2" "sdk2013" "dota" "dods" "hl2dm" "deadlock" "insurgency" "css"];
-  isX86 = name: elem name linuxX86Sdks;
-  isX64 = name: elem name linuxX64Sdks;
   fetchRev = {
     rev,
     sha256,
@@ -43,9 +38,7 @@
       };
 
       meta = {
-        platforms =
-          optionals (isX86 sdkName) ["i686-linux"]
-          ++ optionals (isX64 sdkName) ["x86_64-linux"];
+        platforms = sdk.platforms or [];
       };
     };
   sdks = mapAttrs buildSdk revisions;
diff --git a/nix/sourcemod/hl2sdks.json b/nix/sourcemod/hl2sdks.json
index 66c03b5..13673d6 100644
--- a/nix/sourcemod/hl2sdks.json
+++ b/nix/sourcemod/hl2sdks.json
@@ -1,19 +1,23 @@
 {
   "csgo": {
     "rev": "9cf2f325ea273559c7cae27b4f98518c18b8e322",
-    "sha256": "sha256-uJjVFbTQg7kh0BBT+dTQ+a0HIqrkrcVcMNYOteYywBk="
+    "sha256": "sha256-uJjVFbTQg7kh0BBT+dTQ+a0HIqrkrcVcMNYOteYywBk=",
+    "platforms": ["i686-linux", "x86_64-linux"]
   },
   "tf2": {
     "rev": "f8ec7a5644b58ff0c8dcd94d8b7501b447f5a82d",
-    "sha256": "sha256-xh8T8bzEUL23mGnpTA4xlhLeVkf9OxMp2MhaBlGayQ4="
+    "sha256": "sha256-xh8T8bzEUL23mGnpTA4xlhLeVkf9OxMp2MhaBlGayQ4=",
+    "platforms": ["i686-linux", "x86_64-linux"]
   },
   "cs2": {
     "rev": "f5836f20c033109d57fb08346bda80d614888488",
-    "sha256": "sha256-Gka6W6Oc7LMskOXvLNfVsHDU6FRa6bWSnVkqUSc0Mfg="
+    "sha256": "sha256-Gka6W6Oc7LMskOXvLNfVsHDU6FRa6bWSnVkqUSc0Mfg=",
+    "platforms": ["x86_64-linux"]
   },
   "swarm": {
     "rev": "53355f2ea3671c8b543fca6c5a95ab884a620780",
-    "sha256": "sha256-x9SV0ldQeWe3hKUgl4YpePr103nouVUCczrrTvpGMDY="
+    "sha256": "sha256-x9SV0ldQeWe3hKUgl4YpePr103nouVUCczrrTvpGMDY=",
+    "platforms": ["i686-linux"]
   },
   "portal2": {
     "rev": "f61c12390436451dbd2fe64362715ee9fc1cf1af",
@@ -25,86 +29,107 @@
   },
   "nucleardawn": {
     "rev": "38a4308cce4f0574d76ee36cedf20aa76054fbee",
-    "sha256": "sha256-m9f/lF2bsMM2H9V8wRJjULadf3nBOvN1t/9Rj9O8Myo="
+    "sha256": "sha256-m9f/lF2bsMM2H9V8wRJjULadf3nBOvN1t/9Rj9O8Myo=",
+    "platforms": ["i686-linux"]
   },
   "orangebox": {
     "rev": "88bc34abdd51421afed7bd120d457cbdc372ccfa",
-    "sha256": "sha256-VXAHb09qwFcmrF7h0x6pYfisQCDb9ipnRZzCGHvY2K0="
+    "sha256": "sha256-VXAHb09qwFcmrF7h0x6pYfisQCDb9ipnRZzCGHvY2K0=",
+    "platforms": ["i686-linux"]
   },
   "bgt": {
     "rev": "4ae5d9dbd614bf862f86682d9f8c95595e973288",
-    "sha256": "sha256-ZIRqivckjiTRetlJ+CXXbZWdBT7M8WeSf/3iHl0CJAw="
+    "sha256": "sha256-ZIRqivckjiTRetlJ+CXXbZWdBT7M8WeSf/3iHl0CJAw=",
+    "platforms": ["i686-linux"]
   },
   "darkm": {
     "rev": "016cfd4f95e58f94131594a12b5a3aac9cd33f20",
-    "sha256": "sha256-XX/IhmkVV31c25CdTTItAdcSds2ZlWMhqDzd34BcaoU="
+    "sha256": "sha256-XX/IhmkVV31c25CdTTItAdcSds2ZlWMhqDzd34BcaoU=",
+    "platforms": ["i686-linux"]
   },
   "eye": {
     "rev": "eea369b456eddf177d32cecbb4a32c0b144d0d02",
-    "sha256": "sha256-d448ipYITf1Hw0cGAX27QtUTomcvSj5XuITKIm46Gw8="
+    "sha256": "sha256-d448ipYITf1Hw0cGAX27QtUTomcvSj5XuITKIm46Gw8=",
+    "platforms": ["i686-linux"]
   },
   "bms": {
     "rev": "51cd3e7b0b7fc81d672159c99299910a30b4c9ce",
-    "sha256": "sha256-RakfA20fk2VTtRne7NCl2UX8Q+5WRgeH5bBGIYe1f+Q="
+    "sha256": "sha256-RakfA20fk2VTtRne7NCl2UX8Q+5WRgeH5bBGIYe1f+Q=",
+    "platforms": ["i686-linux"]
   },
   "l4d": {
     "rev": "0a8e862697335b12976a124daf728c38e975e381",
-    "sha256": "sha256-hmq5V+13hep/ul8ekQ11zq6IY80Ta885UjEsrIAZEKM="
+    "sha256": "sha256-hmq5V+13hep/ul8ekQ11zq6IY80Ta885UjEsrIAZEKM=",
+    "platforms": ["i686-linux"]
   },
   "contagion": {
     "rev": "934ff16bbb89853c5d2825922cbfcada33b58f05",
-    "sha256": "sha256-F11caJolQAeoQSonP8nqVGNRC3j474YHkZ49Y3nSL1E="
+    "sha256": "sha256-F11caJolQAeoQSonP8nqVGNRC3j474YHkZ49Y3nSL1E=",
+    "platforms": ["i686-linux"]
   },
   "blade": {
     "rev": "a736c9a6c676136f575af5056384851a8e1e788a",
-    "sha256": "sha256-8D1YRmE1x23r4gxbkv1wLthFnMnHM11EVFqtVNDONec="
+    "sha256": "sha256-8D1YRmE1x23r4gxbkv1wLthFnMnHM11EVFqtVNDONec=",
+    "platforms": ["x86_64-linux"]
   },
   "insurgency": {
     "rev": "f66e087ee2993e8f09b27deed9f23c03321bd70d",
-    "sha256": "sha256-i5hOUavEikFdF3ll1O758rg7xkm9ZvBYhJU4hw1LWe4="
+    "sha256": "sha256-i5hOUavEikFdF3ll1O758rg7xkm9ZvBYhJU4hw1LWe4=",
+    "platforms": ["i686-linux"]
   },
   "pvkii": {
     "rev": "f06b74a1d44116613e398787974b78e51fb1c8b8",
-    "sha256": "sha256-wfgTfFuxYCHdMzuvI5w/Xw/MGVYWmsWB7uWtttShHTM="
+    "sha256": "sha256-wfgTfFuxYCHdMzuvI5w/Xw/MGVYWmsWB7uWtttShHTM=",
+    "platforms": ["i686-linux"]
   },
   "episode1": {
     "rev": "4b0cde271be6806b95842e78348009712a8b3fbe",
-    "sha256": "sha256-JNd+cInk8q0xmC0wKQoTBqD+H1wTSbUMqVVkQV4PZP0="
+    "sha256": "sha256-JNd+cInk8q0xmC0wKQoTBqD+H1wTSbUMqVVkQV4PZP0=",
+    "platforms": ["i686-linux"]
   },
   "dota": {
     "rev": "ab11e586227623183bf6e7fa5e988fcb71080efb",
-    "sha256": "sha256-X5aqTMFTf9TjZS17pWh84KNshQ5F68r0tnX6hD/glNA="
+    "sha256": "sha256-X5aqTMFTf9TjZS17pWh84KNshQ5F68r0tnX6hD/glNA=",
+    "platforms": ["i686-linux"]
   },
   "mcv": {
     "rev": "0b085deb66af320cee4046d5f5a89dfb044a2811",
-    "sha256": "sha256-stg1NVl+l5/MjeY8lVrSR/OVsBHyT2do6VEcOPNF9MY="
+    "sha256": "sha256-stg1NVl+l5/MjeY8lVrSR/OVsBHyT2do6VEcOPNF9MY=",
+    "platforms": ["i686-linux"]
   },
   "dods": {
     "rev": "ece187a8147a8159c16f88305e3523cef6475ecf",
-    "sha256": "sha256-GAVs8ENKFde9BPQx9VAqdlFRiYe4DfbTHs8I+KJpoyc="
+    "sha256": "sha256-GAVs8ENKFde9BPQx9VAqdlFRiYe4DfbTHs8I+KJpoyc=",
+    "platforms": ["i686-linux", "x86_64-linux"]
   },
   "sdk2013": {
     "rev": "4c56ee5bc8bfe00793abb7d40eb3f6fb040f10d2",
-    "sha256": "sha256-aWrQt7XIpXiomDICcSSqyxYsRZgpHnwX7eIX4o2V5jE="
+    "sha256": "sha256-aWrQt7XIpXiomDICcSSqyxYsRZgpHnwX7eIX4o2V5jE=",
+    "platforms": ["i686-linux"]
   },
   "hl2dm": {
     "rev": "af883d5052349f09fbe641c99149b84769a62d01",
-    "sha256": "sha256-GAVs8ENKFde9BPQx9VAqdlFRiYe4DfbTHs8I+KJpoyc="
+    "sha256": "sha256-GAVs8ENKFde9BPQx9VAqdlFRiYe4DfbTHs8I+KJpoyc=",
+    "platforms": ["i686-linux", "x86_64-linux"]
   },
   "l4d2": {
     "rev": "f48f11d80d599b41f75c506c2edfc81fe9935e9a",
-    "sha256": "sha256-cp0h2YlWSIfRyh+amIV8kyBLJ/oIXOkG7zsH3Wx8zZI="
+    "sha256": "sha256-cp0h2YlWSIfRyh+amIV8kyBLJ/oIXOkG7zsH3Wx8zZI=",
+    "platforms": ["i686-linux"]
   },
   "css": {
     "rev": "64895cf48c68f5cef0470ee3f13ec449babc30ea",
-    "sha256": "sha256-8+k8Vg5R5/2kUcTSLRTY71rZ+MvCuSppLcfD+aUVuW0="
+    "sha256": "sha256-8+k8Vg5R5/2kUcTSLRTY71rZ+MvCuSppLcfD+aUVuW0=",
+    "platforms": ["i686-linux", "x86_64-linux"]
   },
   "doi": {
     "rev": "ceefec48c282335da40a30f66bf498bd8e327d2f",
-    "sha256": "sha256-+6jrNi7yX6WrZLLq3qvkSVhhnCZsoY0cCoIgPvJXkL8="
+    "sha256": "sha256-+6jrNi7yX6WrZLLq3qvkSVhhnCZsoY0cCoIgPvJXkL8=",
+    "platforms": ["i686-linux"]
   },
   "deadlock": {
     "rev": "0af9332394a4eb3fb904610543d266f54b7ad820",
-    "sha256": "sha256-WbOVrECtCKUwZEdoGV9c80t3gU6WopKVS89N7cKdhjg="
+    "sha256": "sha256-WbOVrECtCKUwZEdoGV9c80t3gU6WopKVS89N7cKdhjg=",
+    "platforms": ["x86_64-linux"]
   }
 }
diff --git a/nix/srcds/default.nix b/nix/srcds/default.nix
index cd11a14..a437a98 100644
--- a/nix/srcds/default.nix
+++ b/nix/srcds/default.nix
@@ -12,6 +12,7 @@
   system,
   callPackage,
   srcds-tf2,
+  sourcemod,
 }: let
   inherit (lib) importJSON map toString elem last replaceStrings naturalSort;
   depotInputs = importJSON ./depots.json;
@@ -73,6 +74,18 @@
     };
   in
     final;
+  makeWithSourcemod = base: config: let
+    configFile = callPackage ./cfg.nix {
+      name = "server.cfg";
+      cfg = config;
+    };
+    final = symlinkJoin {
+      name = "srcds-tf2-src";
+      paths = [base configFile];
+      passthru = makeWiths final;
+    };
+  in
+    final;
   makeWiths = base: {
     withConfig = makeWithConfig base;
   };