Tentando fazê-lo repetir 3 vezes e depois da 3ª vez (se não for adivinhado corretamente) mostre a resposta certa.

Atualmente - está passando pelos palpites, mas não mostra quantas palpites restam (deve deduzir cada @ cada tentativa).

Qualquer um? Se você pudesse me mostrar onde estou errado aqui.

<style type="text/css">
input {border:1px solid #ADD8E6; font-size:1.2em;}
input.spec {background-color:#ddd;}
</style>
<?php
    echo "<fieldset><h1><legend>Testing your Academy Award Trivia</h1>";
    $ages['Casablanca'] = "1943";
    $ages['Around The World in 80 Days'] = "1956";
    $ages['Patton'] = "1970";
    $ages['Annie Hall'] = "1977";
    $ages['Chariots of Fire'] = "1981";
    $ages['Dances With Wolves'] = "1990";
    $ages['Crash'] = "2005";
    $ages['The Departed'] = "2006";

    $rand_keys = array_rand($ages, 1);

    $guesses = 3;

?>
<form method='post' name="inputyear" onsubmit="return validate(this);">
Give the year below won academy award<br><br>
<Strong>Movie:</strong> <input type='text' name='movie' class="spec" value='<?= $rand_keys ?>'     readonly='readonly' /><br><br>
<Strong>Year it Won the Oscar:</Strong> <input type='text' name='year' size="30" /><br/><br>
<strong>You have: </strong> <?php $guesses; ?> guesses left<br><br>
<input type='submit' name='submit' value="Get Result" onClick="makeGuess()" />
</form>

<?php
$movie = isset($_POST['movie']) ? $_POST['movie'] : false;
$guessedYear = isset($_POST['year']) ? (int) $_POST['year'] : false;
if ($movie && $guessedYear) {
    $realyear = $ages[$movie];
}
@$_SESSION[$movie]['$guesses']++;
if ($realyear && $_SESSION[$movie]['$guesses'] < 3) {

    if ($guessedYear == $realyear) {
        echo "Correct! " . "during year " . $realyear;
    }
    if ($guessedYear < $realyear) {
        echo "Wrong, year too low";
        $guesses--;
    }
    if ($guessedYear > $realyear) {
        echo "Wrong, year too high";
        $guesses--;
    }

} elseif ($_SESSION[$movie]['$guesses'] >= 3) {
    echo "Sorry, too many tries. the answer was " . $realyear;
} else {
    echo "Sorry, You managed not to pick a year. Please try again";
    $_SESSION[$movie]['guesscount']--;
}
?>