And my Xbox360, of course =P

Why does my brain willingly acknowledged that taking you to college with me is a bad idea, Xbox? :\

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--
-- main.lua
--
-----------------------------------------------------------------------------------------

-- Your code here

-- Space Shooter Game
-- Developed by Carlos Yanez

-- Hide Status Bar

display.setStatusBar(display.HiddenStatusBar)

-- Import MovieClip Library

local movieclip = require('movieclip')

-- Import Physics

local physics = require('physics')
physics.start()
physics.setGravity(0, 0)

-- Graphics

-- Background

local bg = display.newImage('SpaceBack.jpeg')

-- [Title View]

local title
local playBtn
local creditsBtn
local titleView

-- [Credits]

local creditsView

-- [Ship]

local ship

-- [Boss]

local boss

-- [Score]

local score

-- [Lives]

local lives

-- Variables

local timerSource
local lives = display.newGroup()
local bullets = display.newGroup()
local enemies = display.newGroup()
local scoreN = 0
local bossHealth = 20

-- Functions

local Main = {}
local addTitleView = {}
local showCredits = {}
local removeCredits = {}
local removeTitleView = {}
local addShip = {}
local addScore = {}
local addLives = {}
local listeners = {}
local moveShip = {}
local shoot = {}
local addEnemy = {}
local alert = {}
local update = {}
local collisionHandler = {}
local restart = {}

-- Main Function

function Main()
addTitleView()
end

function addTitleView()
title = display.newImage('SpaceTitle.png')
playBtn = display.newImage('SpacePlay.png')
playBtn.x = display.contentCenterX
playBtn.y = display.contentCenterY + 10
playBtn:addEventListener('tap', removeTitleView)

creditsBtn = display.newImage('creditsBtn.png')
creditsBtn.x = display.contentCenterX
creditsBtn.y = display.contentCenterY + 60
creditsBtn:addEventListener('tap', showCredits)

titleView = display.newGroup(title, playBtn, creditsBtn)
end

function removeTitleView:tap(e)
transition.to(titleView, {time = 300, y = -display.contentHeight, onComplete = function() display.remove(titleView) titleView = null addShip() end})
end

function showCredits:tap(e)
creditsBtn.isVisible = false
creditsView = display.newImage('Credit.png')
creditsView:setReferencePoint(display.TopLeftReferencePoint)
transition.from(creditsView, {time = 300, x = display.contentWidth})
creditsView:addEventListener('tap', removeCredits)
end

function removeCredits:tap(e)
creditsBtn.isVisible = true
transition.to(creditsView, {time = 300, x = display.contentWidth, onComplete = function() display.remove(creditsView) creditsView = null end})
end

function addShip()
ship = movieclip.newAnim({'SpaceShip.png', 'SpaceShip.png'})
ship.x = display.contentWidth * 0.5
ship.y = display.contentHeight - ship.height
ship.name = 'ship'
ship:play()
physics.addBody(ship)

addScore()
end

function addScore()
score = display.newText('Score: ', 1, 0, native.systemFontBold, 14)
score.y = display.contentHeight - score.height * 0.5
score.text = score.text .. tostring(scoreN)
score:setReferencePoint(display.TopLeftReferencePoint)
score.x = 1

addLives()
end

function addLives()
for i = 1, 3 do
live = display.newImage('SpaceLives.png')
live.x = (display.contentWidth - live.width * 0.7) - (5 * i+1) - live.width * i + 20
live.y = display.contentHeight - live.height * 0.7

lives.insert(lives, live)
end
listeners('add')
end

function listeners(action)
if(action == 'add') then
bg:addEventListener('touch', moveShip)
bg:addEventListener('tap', shoot)
Runtime:addEventListener('enterFrame', update)
timerSource = timer.performWithDelay(800, addEnemy, 0)
else
bg:removeEventListener('touch', moveShip)
bg:removeEventListener('tap', shoot)
Runtime:removeEventListener('enterFrame', update)
timer.cancel(timerSource)
--timerSource = nil
end
end

function moveShip:touch(e)
if(e.phase == 'began') then
lastX = e.x - ship.x
elseif(e.phase == 'moved') then
ship.x = e.x - lastX
end
end

function shoot:tap(e)
local bullet = display.newImage('SpaceBullet.png')
bullet.x = ship.x
bullet.y = ship.y - ship.height
bullet.name = 'bullet'
physics.addBody(bullet)

audio.play(shot)

bullets.insert(bullets, bullet)
end

function addEnemy(e)
local enemy = movieclip.newAnim({'SpaceEnemy.png', 'SpaceEnemy.png','SpaceEnemyA.png','SpaceEnemyA.png','SpaceEnemyA.png','enemyA.png','enemyB.png','enemyB.png','enemyB.png','enemyB.png','enemyB.png','enemyB.png'})
enemy.x = math.floor(math.random() * (display.contentWidth - enemy.width))
enemy.y = -enemy.height
enemy.name = 'enemy'
physics.addBody(enemy)
enemy.bodyType = 'static'
enemies.insert(enemies, enemy)
enemy:play()
enemy:addEventListener('collision', collisionHandler)
end

function alert(e)
listeners('remove')
local alertView

if(e == 'win') then
alertView = display.newImage('youWon.png')
alertView.x = display.contentWidth * 0.5
alertView.y = display.contentHeight * 0.5
else
alertView = display.newImage('gameOver.png')
alertView.x = display.contentWidth * 0.5
alertView.y = display.contentHeight * 0.5
end

alertView:addEventListener('tap', restart)
end