diff --git a/src/canvases.json b/src/canvases.json
index 6206343..d74a221 100644
--- a/src/canvases.json
+++ b/src/canvases.json
@@ -372,6 +372,7 @@
     "bcd": 4000,
     "pcd" : 7000,
     "cds": 60000,
+    "ranked" : true,
     "sd": "2024-02-22"
   }
 }
diff --git a/src/canvasesDesc.js b/src/canvasesDesc.js
index f942abb..56b29de 100644
--- a/src/canvasesDesc.js
+++ b/src/canvasesDesc.js
@@ -38,7 +38,7 @@ function getCanvases(t) {
     7: t`Black and White canvas`,
     8: t`A canvas for the most active players from the the previous day. Daily ranking updates at 00:00 UTC.`,
     10: t`Only four colors. Same rules as moon.`,
-    11: t`Spam trash on a smaller earth with protected ocean`,
+    11: t`Spam trash on a smaller earth with protected ocean. Shares cooldown with earth canvas`,
   };
   /*
    * no edit below here needed when adding/removing canvas
diff --git a/src/data/redis/cooldown.js b/src/data/redis/cooldown.js
index 2022834..ab8e0f1 100644
--- a/src/data/redis/cooldown.js
+++ b/src/data/redis/cooldown.js
@@ -44,17 +44,15 @@ export default function allowPlace(
 ) {
   const isalKey = `${ALLOWED_PREFIX}:${ip}`;
   const captKey = (CAPTCHA_TIME >= 0) ? `${CAPTCHA_PREFIX}:${ip}` : 'nope';
-  const ipCdKey = `${PREFIX}:${canvasId}:ip:${ip}`;
+  // ATTENTION: HARDCODED LINKED COODLOWN OF MINIMAP AND EARTH CANVAS
+  let canvasCdId = canvasId;
+  if (canvasId === 11) {
+    canvasCdId = 0;
+  }
+  const ipCdKey = `${PREFIX}:${canvasCdId}:ip:${ip}`;
   let idCdKey;
   if (id) {
-    idCdKey = `${PREFIX}:${canvasId}:id:${id}`;
-  /*
-   * cooldown by subnet should be more restrictive
-   *
-  } else if (ip.includes('.')) {
-    const ips = ip.slice(0, ip.lastIndexOf('.'));
-    idCdKey = `${PREFIX}:${canvasId}:ips:${ips}`;
-  */
+    idCdKey = `${PREFIX}:${canvasCdId}:id:${id}`;
   } else {
     idCdKey = 'nope';
   }