Probier mal so:
<?php
session_start();
?>
<?php
$kunde = $_SESSION["username"];
include 'php/php_mysql_connect.php';
$abfrage = "SELECT * FROM gameserver WHERE von = '$kunde'";
$ergebnis = mysql_query($abfrage);
while($row = mysql_fetch_object($ergebnis))
{
echo "<a href='?face=gameserverconnect&kd={$kunde}&ip={$row['ip']}&id={$row['id']}&ssl={$row['ssl']}'><img src='images/{$row['game']}.png'></a></br>";
echo "<b>{$row['ip']}</b></br>";
echo "<b>Port: {$row['port']}</b></br>";
echo "<i>{$row['ram']} MB</i>";
}
?>