Insert Checkbox value to Database

so im trying to store values from a checkbox into my database It works if I use a normal Textbox but as soon as I attempt it with a checkbox it doesnt work any idea? I want to have two for example checkbox1 and checkbox2 there values should be stored in my database colums for example Colum1 colum2. Thanks in advance for anyhelp

<form name="checkbox.php" id="names" action="<?php echo JURI::current(); ?>" method="post">

<p><input type="checkbox" name="game" value="ExampleGame" />b</p>
<p><input type="checkbox" name="Age" value="ExampleAge" />b</p>

<p><input id="submit" name="submit" type="submit" value="Submit Names" /></p>

</form>

<?
if( (isset($_POST['game'])) || (isset($_POST['Age'])) ) {
//first name or last name set, continue-->

$game = $_POST['game'];
$Age= $_POST['Age'];

$db =& JFactory::getDBO();

$query = "INSERT INTO `gameTable` (`game`, `Age`)
VALUES ($game, $age);";
$db->setQuery( $query );
$db->query();

} else {
echo '<h4>One Field Is Required!</h4>';
}

?>

Answer

Try this

$query =  "INSERT INTO `gameTable` (`game`, `Age`) VALUES ('".$game."','".$age."', )";