diff --git a/listings/listings.ini b/listings/listings.ini
index 1a0c8d6..a1b3c14 100644
--- a/listings/listings.ini
+++ b/listings/listings.ini
@@ -103,4 +103,9 @@ name=18+ Communities
 rating=nsfw
 rooms[]=womanbodybeauty+13f6
 rooms[]=piao+2cd5
-rooms[]=AINSFW+fc30
\ No newline at end of file
+rooms[]=AINSFW+fc30
+
+[all]
+name=All Communities
+rating=unsafe
+rooms[]=*
\ No newline at end of file
diff --git a/php/generate-listings.php b/php/generate-listings.php
index ed7d662..a664d80 100644
--- a/php/generate-listings.php
+++ b/php/generate-listings.php
@@ -47,8 +47,9 @@
         $servers_raw = file_get_contents($ROOMS_FILE);
         $server_data = json_decode($servers_raw, true);
         $servers = CommunityServer::from_details_array($server_data);
+        $rooms_all = CommunityServer::enumerate_rooms($servers);
         $rooms_by_id = [];
-        foreach (CommunityServer::enumerate_rooms($servers) as $room) {
+        foreach ($rooms_all as $room) {
             $rooms_by_id[$room->get_room_identifier()] = $room;
         }
         $sogs_by_pubkey = [];
@@ -58,8 +59,13 @@
         $listings = [];
         foreach ($listings_raw as $id => $listing_props) {
             $rooms = [];
+            // TODO: Blocklist option
             if (isset($listing_props['rooms'])) {
                 foreach ($listing_props['rooms'] as $room_id) {
+                    if ($room_id == '*') {
+                        $rooms = $rooms_all;
+                        break;
+                    }
                     if (isset($rooms_by_id[$room_id])) {
                         $rooms[] = $rooms_by_id[$room_id];
                     } else {
@@ -84,7 +90,7 @@
                 $listing_props['rating'],
                 $rooms
             );
-        }
+        }        
 
         return $listings;
     }