Run the interval on the clientside instead of the server side

app/client/controllers/playersController.js

@@ -2,6 +2,13 @@ module.exports = function($scope, socket) {
 
   $scope.players = [];
 
+  // request player list every 5000ms
+  setInterval(function() {
+    socket.emit('players');
+  }, 5000);
+
+
+  // when the player list is received
   socket.on('bot:players', function(data) {
     var players = [];
 
@@ -15,12 +22,14 @@ module.exports = function($scope, socket) {
 
   });
 
+  // clear player list if socket is disconnected
   socket.on('disconnect', function() {
     $scope.$apply(function() {
       $scope.players = [];
     });
   });
 
+  // clear player list when bot disconnects
   socket.on('bot:disconnect', function() {
     $scope.$apply(function() {
       $scope.players = [];