diff --git a/contents.json b/contents.json
index 9e392cf488e9..9dc84fc81d8e 100644
--- a/contents.json
+++ b/contents.json
@@ -15471,7 +15471,7 @@
       "tags": [
         "unity3d",
         "csharp",
-        "firebase"
+        "firebase", "archive"
       ],
       "screenshots": [
         "https://google.github.io/mechahamster/gameplay1.png"