diff --git a/source/_data/miscellaneous.json b/source/_data/miscellaneous.json
index 766fac6..83c7954 100644
--- a/source/_data/miscellaneous.json
+++ b/source/_data/miscellaneous.json
@@ -703,6 +703,24 @@
         "OStatusClass": false,
         "categories": ["Games"]
       },
+      {
+        "title": "Castling Club",
+        "source": "https://github.com/stephank/castling.club",
+        "protocols": "ActivityPub",
+        "site": "",
+        "logo": "",
+        "servers": "https://fediverse.network/castlingclub",
+        "description": "Challenge someone to a game of chess using toots! An ActivityPub server with a single hardcoded King service actor that acts as a chess arbiter.",
+        "codeLanguage": "Typescript",
+        "techStack": "Node.js",
+        "license": "MIT",
+        "FediAccount": "",
+        "apClass": true,
+        "zotClass": false,
+        "diasporaClass": false,
+        "OStatusClass": false,
+        "categories": ["Games"]
+      },
       {
         "title": "diaspora*",
         "source": "https://github.com/diaspora/diaspora",