diff --git a/server/server.js b/server/server.js
index e0c4c4a..f032b36 100644
--- a/server/server.js
+++ b/server/server.js
@@ -554,7 +554,8 @@ app.get('/api/stats', (req, res) => {
       savedHomes: turtleHomes.size,
       connectedClients: webClients.size,
       tasks: db.getAllTasks().length,
-      miningAreas: db.getMiningAreas().length
+      miningAreas: db.getMiningAreas().length,
+      groups: db.getAllGroups().length
     };
     res.json(stats);
   } catch (error) {
@@ -562,6 +563,169 @@ app.get('/api/stats', (req, res) => {
   }
 });
 
+// Get mining statistics
+app.get('/api/stats/mining/:turtleId?', (req, res) => {
+  try {
+    const turtleId = req.params.turtleId ? parseInt(req.params.turtleId) : null;
+    const days = parseInt(req.query.days) || 7;
+    const stats = db.getMiningStats(turtleId, days);
+    res.json({ stats });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Get top miners leaderboard
+app.get('/api/stats/top-miners', (req, res) => {
+  try {
+    const limit = parseInt(req.query.limit) || 10;
+    const topMiners = db.getTopMiners(limit);
+    res.json({ topMiners });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Record block mined (called by turtles)
+app.post('/api/stats/block-mined', (req, res) => {
+  try {
+    const { turtleId, blockType } = req.body;
+    db.recordBlockMined(turtleId, blockType);
+    res.json({ success: true });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// ========== TURTLE GROUPS/TEAMS ENDPOINTS ==========
+
+// Create a new group
+app.post('/api/groups', (req, res) => {
+  try {
+    const { groupName, color } = req.body;
+    const groupId = db.createGroup(groupName, color);
+    
+    broadcastToClients({
+      type: 'group_created',
+      groupId,
+      groupName,
+      color
+    });
+    
+    res.json({ success: true, groupId });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Get all groups
+app.get('/api/groups', (req, res) => {
+  try {
+    const groups = db.getAllGroups();
+    // Enhance with member count
+    const groupsWithMembers = groups.map(group => ({
+      ...group,
+      members: db.getGroupMembers(group.id)
+    }));
+    res.json({ groups: groupsWithMembers });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Delete a group
+app.delete('/api/groups/:groupId', (req, res) => {
+  try {
+    const groupId = parseInt(req.params.groupId);
+    db.deleteGroup(groupId);
+    
+    broadcastToClients({
+      type: 'group_deleted',
+      groupId
+    });
+    
+    res.json({ success: true });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Add turtle to group
+app.post('/api/groups/:groupId/members', (req, res) => {
+  try {
+    const groupId = parseInt(req.params.groupId);
+    const { turtleId } = req.body;
+    db.addTurtleToGroup(turtleId, groupId);
+    
+    broadcastToClients({
+      type: 'turtle_added_to_group',
+      groupId,
+      turtleId
+    });
+    
+    res.json({ success: true });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Remove turtle from group
+app.delete('/api/groups/:groupId/members/:turtleId', (req, res) => {
+  try {
+    const groupId = parseInt(req.params.groupId);
+    const turtleId = parseInt(req.params.turtleId);
+    db.removeTurtleFromGroup(turtleId, groupId);
+    
+    broadcastToClients({
+      type: 'turtle_removed_from_group',
+      groupId,
+      turtleId
+    });
+    
+    res.json({ success: true });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Get turtle's groups
+app.get('/api/turtles/:turtleId/groups', (req, res) => {
+  try {
+    const turtleId = parseInt(req.params.turtleId);
+    const groups = db.getTurtleGroups(turtleId);
+    res.json({ groups });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
+// Send command to all turtles in a group
+app.post('/api/groups/:groupId/command', (req, res) => {
+  try {
+    const groupId = parseInt(req.params.groupId);
+    const { command, param } = req.body;
+    const members = db.getGroupMembers(groupId);
+    
+    let successCount = 0;
+    for (const member of members) {
+      if (turtleData.has(member.turtle_id)) {
+        const turtle = turtleData.get(member.turtle_id);
+        turtle.pendingCommands = turtle.pendingCommands || [];
+        turtle.pendingCommands.push({
+          command,
+          param,
+          timestamp: Date.now()
+        });
+        successCount++;
+      }
+    }
+    
+    res.json({ success: true, sentTo: successCount });
+  } catch (error) {
+    res.status(500).json({ error: error.message });
+  }
+});
+
 // Graceful shutdown
 process.on('SIGINT', () => {
   console.log('\n🛑 Shutting down server...');