"correct" variable seems to be holding proper value at end of quiz, but is displaying as "0" after each question.

/*
Quiz Application
1. Asks >= 5 questions
2. Keeps track of # questions answered correctly
3. Provides final message telling player how many questions were answered correctly
4. Ranks player by score:
    5 Gold Crown
    3-4 Silver Crown
    1-2 Bronze Crown
    0 No Crown
*/

// GLOBAL VARIABLES //
var correct = 0;
var game = false;
var goodAnswer = 'Correct! You presently have ' + correct + ' points.'
var badAnswer = 'Wrong! You presently have ' + correct + ' points.'

// GAME START //
var opening = prompt('Welcome to the quiz game! would you like to play? Y/n');
if (opening.toUpperCase() !== 'N') {
    game = true;
} else {
    alert('Maybe next time!');   
}

// GAME //
if (game) {

    // FIVE QUESTIONS //
    var q1 = prompt("1. What is the average wingspeed of an unladen swallow?")

    if (q1.toUpperCase() === 'AFRICAN OR EUROPEAN') {
        correct += 1;
        alert(goodAnswer);
    } else {
        alert(badAnswer);
    }

    var q2 = prompt('2. Name a programming language that is also a snake.')
    if (q2.toUpperCase() === 'PYTHON') {   
        correct += 1;
        alert(goodAnswer);
    } else {
        alert(badAnswer);
    }

    var q3 = prompt('3. Name a programming language that is     also a gem.')
    if (q3.toUpperCase() === 'RUBY') {
        correct += 1;
        alert(goodAnswer);
    } else {
        alert(badAnswer);
    }

    var q4 = prompt("4. What's the capital of Italy?")
    if (q4.toUpperCase() === 'ROME') {
        correct += 1;
        alert(goodAnswer);
    } else {
        alert(badAnswer);
    }

    var q5 = prompt("5. What's the capital of Colombia?")
    if (q5.toUpperCase() === 'BOGOTA') {
        correct += 1;
        alert(goodAnswer);
    } else {
        alert(badAnswer);
    }    



    // CROWNS //
    if  (correct === 0) {
        alert("You suck! You get no crown!");
    } else if (correct > 0 && correct < 3) {
        alert("You get the bronze crown! You're OK!");
    } else if (correct > 2 && correct < 5) {
        alert("You get the silver crown! Pretty good!");
    } else {
        alert("You are the master! Gold crown!");
    }
}