diff --git a/src/App.tsx b/src/App.tsx
index 7003d3b..d4c3ea0 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -83,6 +83,7 @@ const App = () => (
           <Route path="/themes/advanced-algorithms" element={<AdvancedAlgorithms />} />
           <Route path="/themes/data-structures" element={<DataStructures />} />
           <Route path="/themes/games" element={<Games />} />
+          <Route path="/themes/games/subtraction-game" element={<SubtractionGamePage />} />
           <Route path="/themes/games/sim" element={<GameOfSimPage />} />
           <Route path="/themes/cards-math" element={<CardsMath />} />
           <Route path="/themes/puzzles" element={<Puzzles />} />
diff --git a/src/components/SocialShare.tsx b/src/components/SocialShare.tsx
index c332c23..258d595 100644
--- a/src/components/SocialShare.tsx
+++ b/src/components/SocialShare.tsx
@@ -45,7 +45,10 @@ const SocialShare: React.FC<SocialShareProps> = ({
   }, [shareData.url, isOpen, toast]);
 
   const copyToClipboard = async (text: string) => {
+    console.log('Copy to clipboard called with text:', text);
+    
     if (!rateLimiter.isAllowed('clipboard', 10, 60000)) {
+      console.log('Rate limit exceeded for clipboard');
       toast({
         title: "Too many attempts",
         description: "Please wait before copying again",
@@ -55,8 +58,11 @@ const SocialShare: React.FC<SocialShareProps> = ({
     }
 
     try {
+      console.log('Attempting to copy to clipboard...');
+      
       // Check if clipboard API is available
       if (!navigator.clipboard) {
+        console.log('Clipboard API not available, using fallback');
         // Fallback for older browsers or insecure contexts
         const textArea = document.createElement('textarea');
         textArea.value = text;
@@ -68,11 +74,16 @@ const SocialShare: React.FC<SocialShareProps> = ({
         textArea.select();
         
         try {
-          document.execCommand('copy');
-          toast({
-            title: "Copied!",
-            description: "Link copied to clipboard",
-          });
+          const success = document.execCommand('copy');
+          console.log('Fallback copy result:', success);
+          if (success) {
+            toast({
+              title: "Copied!",
+              description: "Link copied to clipboard",
+            });
+          } else {
+            throw new Error('Copy command failed');
+          }
         } catch (err) {
           console.error('Fallback copy failed:', err);
           toast({
@@ -86,7 +97,9 @@ const SocialShare: React.FC<SocialShareProps> = ({
         return;
       }
 
+      console.log('Using modern clipboard API');
       await navigator.clipboard.writeText(text);
+      console.log('Copy successful');
       toast({
         title: "Copied!",
         description: "Link copied to clipboard",