diff --git a/Config.txt b/Config.txt
index 02b5003..e53f9ed 100644
--- a/Config.txt
+++ b/Config.txt
@@ -24,3 +24,6 @@
 = rename.php =
 14101 - User name doesn't match rules
 14102 - User name already exists
+
+= highscores.php =
+15101 - User ID not specified
diff --git a/Database.php b/Database.php
index 3d26a8c..00e337e 100644
--- a/Database.php
+++ b/Database.php
@@ -64,6 +64,7 @@ class Database
                 return 'User name already exists. Please pick a different name.';
             case 12101:
             case 13101:
+            case 15101:
                 return 'User ID not specified. This is an internal error.';
             case 12102:
                 return 'A game without a question is not possible. Please select new game length.';
diff --git a/highscores.php b/highscores.php
index 2bf294f..a3866ce 100644
--- a/highscores.php
+++ b/highscores.php
@@ -10,6 +10,7 @@ require_once('includes.inc.php');
 $data = '';
 $error = 0;
 $uid = isset($_GET['uid']) ? $_GET['uid'] : '';
+$db = new Database();
 
 $categories[] = array('id' => 1, 'name' => "BWL", 'score' => 321, 'place' => 123);
 $categories[] = array('id' => 2, 'name' => "Mathematik", 'score' => 1454, 'place' => 1);
@@ -18,4 +19,15 @@ $info = array('score' => 3253, 'place' => 122, 'all' => 321, 'categories' => $ca
 $response = Database::create_response($info, $error);
 print_r($response);
 
+if($uid == '') {
+    $error = 15101;
+} else if($db->query('SELECT EXISTS (SELECT 1 FROM "Users" WHERE "ID" = $1)', array($uid))
+    ['data']['0']['exists'] == 'f') {
+
+    $score = $db->query('SELECT "highscore" FROM "Users" WHERE "ID" = $1', array($uid))['data'][0]['highscore'];
+    $all = $db->query('SELECT COUNT (*) FROM "Users"')['data']['0']['count'];
+    print 'Score: '.$score;
+    print 'All: '.$all;
+}
+
 ?>
\ No newline at end of file