diff --git a/client/src/components/landing_page.tsx b/client/src/components/landing_page.tsx
index b69f50c..3d4a0c9 100644
--- a/client/src/components/landing_page.tsx
+++ b/client/src/components/landing_page.tsx
@@ -122,25 +122,10 @@ function LandingPage() {
 
   /** Parse `games/stats.csv` if present and display server capacity. */
   React.useEffect(() => {
-    fetch(`${window.location.origin}/data/stats`)
-    .then(response => {if (response.ok) {
-      return response.text() } else {throw ""}})
-    .then(data => {
-      // Parse the CSV content
-      const lines = data.split('\n');
-      const [header, line2] = lines;
-      if (!(header.replace(' ', '').startsWith("CPU,MEM"))) {
-        console.info("Not displaying server stats: received unexpected: ", header)
-      }
-      if (line2) {
-        let values = line2.split(',')
-        setUsageCPU(100 * parseFloat(values[0]));
-        setUsageMem(100 * parseFloat(values[1]));
-      }
-    }).catch(err => {
-      console.info('server stats unavailable')
-      console.debug(err)
-    })
+    const interval = setInterval(() => {
+      fetch_stats();
+    }, 2000)
+    return () => clearInterval(interval)
   }, [])
 
   return <div className="landing-page">
@@ -193,8 +178,8 @@ function LandingPage() {
             </p>
           </Trans>
           <p>
-            { usageMem >= 0 && <> {t("RAM")}: <strong>{usageMem} %</strong>{t(" used")}.<br/></> }
-            { usageCPU >= 0 && <> {t("CPU")}: <strong>{usageCPU} %</strong>{t(" used")}. </> }
+            { usageMem >= 0 && <> {t("RAM")}: <strong>{usageMem.toFixed(2)} %</strong>{t(" used")}.<br/></> }
+            { usageCPU >= 0 && <> {t("CPU")}: <strong>{usageCPU.toFixed(2)} %</strong>{t(" used")}. </> }
           </p>
         </div>
       </section>
@@ -254,6 +239,31 @@ function LandingPage() {
     </footer>
   </div>
 
+
+  function fetch_stats() {
+    fetch(`${window.location.origin}/data/stats`)
+      .then(response => {
+        if (response.ok) {
+          return response.text();
+        } else { throw ""; }
+      })
+      .then(data => {
+        // Parse the CSV content
+        const lines = data.split('\n');
+        const [header, line2] = lines;
+        if (!(header.replace(' ', '').startsWith("CPU,MEM"))) {
+          console.info("Not displaying server stats: received unexpected: ", header);
+        }
+        if (line2) {
+          let values = line2.split(',');
+          setUsageCPU(100 * parseFloat(values[0]));
+          setUsageMem(100 * parseFloat(values[1]));
+        }
+      }).catch(err => {
+        console.info('server stats unavailable');
+        console.debug(err);
+      });
+  }
 }
 
 export default LandingPage
diff --git a/client/src/config.json b/client/src/config.json
index cc4261d..8ae10b0 100644
--- a/client/src/config.json
+++ b/client/src/config.json
@@ -3,7 +3,8 @@
     "leanprover-community/nng4",
     "hhu-adam/robo",
     "djvelleman/stg4",
-    "trequetrum/lean4game-logic"
+    "trequetrum/lean4game-logic",
+    "jadabouhawili/knightsandknaves-lean4game"
   ],
 
   "languages": [
diff --git a/doc/publish_game.md b/doc/publish_game.md
index bd017fe..e720bf4 100644
--- a/doc/publish_game.md
+++ b/doc/publish_game.md
@@ -24,7 +24,11 @@ You should see a white screen which shows import updates and eventually reports
 
 Now you can immediately play the game at `adam.math.hhu.de/#/g/{USER}/{REPOSITORY}`!
 
-## 4. Main page
+## 4. Update
+
+To upload a new version of the game you will have to repeat 1. and 2. whenever you want to publish the updated version.
+
+## 5. Main page
 
 Adding games to the main page happens manually by the server maintainers. Tell us if you want us
 to add a tile for your game!
diff --git a/relay/stats.sh b/relay/stats.sh
index 8996046..f51d270 100755
--- a/relay/stats.sh
+++ b/relay/stats.sh
@@ -3,10 +3,10 @@
 # Load python interpreter
 python=/usr/bin/python3
 # Load python script
-cpu_usage=$L4G_DIR/lean4game/relay/cpu_usage.py
+cpu_usage=relay/cpu_usage.py
 # Execute python script
 cpu=$($python $cpu_usage)
-# Calculate memory usage by computing used_memory/total_memory
-mem=$(free | sed '2q;d' | awk '{print $3/$2}')
+# Calculate memory usage by computing 1 - %free_memory
+mem=$(free | sed '2q;d' | awk '{print 1 - ($4/$2)}')
 
-printf "CPU, MEM\n%.2f, %.2f\n" $cpu $mem
+printf "CPU, MEM\n%f, %f\n" $cpu $mem