diff --git a/package-lock.json b/package-lock.json
index 4e29994..36e87f3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-  "name": "match-game-swe1",
+  "name": "match-game-bootcamp",
   "version": "1.0.0",
   "lockfileVersion": 1,
   "requires": true,
diff --git a/script.js b/script.js
index e2d0297..e079a18 100644
--- a/script.js
+++ b/script.js
@@ -1 +1,310 @@
-// Please implement exercise logic here
+// GLOBAL VARIABLES
+const boardSize = 6;
+const board = [];
+let firstCard = null;
+let firstCardElement;
+let deck;
+
+// Game interface
+const gameInterface = document.createElement('div');
+gameInterface.classList.add('gameUi');
+
+// Timer
+const delayInMilliseconds = 1000;
+const gameTimer = document.createElement('div');
+gameTimer.classList.add('timer');
+let timeCounter = 180;
+let timerStarted = 0;
+
+// Click Validation
+let canClick = true;
+
+// Username
+let username;
+
+// Win-Lose
+let playerWin;
+
+// GAMEPLAY LOGIC
+const startCountdownTimer = () => {
+  console.log('timer started!');
+  timerStarted = 1;
+  const ref = setInterval(() => {
+    timeCounter -= 1;
+    console.log(timeCounter);
+    console.log(delayInMilliseconds);
+    gameTimer.innerText = `GAME TIME LIMIT
+  ${timeCounter}`;
+    if (timeCounter === 0) {
+      clearInterval(ref);
+      playerWin = 0;
+      gameInterface.innerText = 'Time is up, you lost! Try again?';
+    }
+  }, delayInMilliseconds);
+};
+
+const squareClick = (cardElement, column, row) => {
+  console.log(cardElement);
+
+  console.log('FIRST CARD DOM ELEMENT', firstCard);
+
+  console.log('BOARD CLICKED CARD', board[column][row]);
+
+  const clickedCard = board[column][row];
+
+  // first click start timer.
+  if (timerStarted === 0) {
+    timerStarted = 1;
+    startCountdownTimer();
+  }
+
+  // user clicked same square - tell user to pick another
+  if (cardElement.innerText !== '') {
+    return;
+  }
+
+  // first turn
+  if (firstCard === null) {
+    console.log('first turn');
+    firstCard = clickedCard;
+    // turn this card over
+    cardElement.innerText = `${firstCard.displayName}
+    ${firstCard.symbol}`;
+
+    // hold onto this for later when it may not match
+    firstCardElement = cardElement;
+
+    gameInterface.innerText = `You picked ${firstCard.name} of ${firstCard.suit}. Let's hope you pick its pair, click on another blank card!`;
+    // second turn
+  } else {
+    console.log('second turn');
+    if (
+      clickedCard.name === firstCard.name
+        && clickedCard.suit === firstCard.suit
+    ) {
+      console.log('match');
+      gameInterface.innerText = 'They matched, well done!! On to the next pair!';
+
+      // turn this card over
+      cardElement.innerText = `${clickedCard.displayName} 
+      ${clickedCard.symbol}`;
+      setTimeout(() => {
+        gameInterface.innerText = '';
+      }, (delayInMilliseconds * 3));
+    } else {
+      console.log('NOT a match');
+      gameInterface.innerText = `It did not match, try again!
+      You have a 3 seconds penalty and must wait until the cards flip back.`;
+      canClick = false;
+      // turn this card over
+      cardElement.innerText = `${clickedCard.displayName} 
+      ${clickedCard.symbol}`;
+
+      // turn this both cards back over AFTER DELAY
+      setTimeout(() => {
+        firstCardElement.innerText = '';
+        cardElement.innerText = '';
+        gameInterface.innerText = '';
+        canClick = true;
+      }, (delayInMilliseconds * 3));
+    }
+
+    // reset the first card
+    firstCard = null;
+  }
+};
+
+// GAME INITIALISATION LOGIC
+// create all the board elements that will go on the screen
+// return the built board
+const buildBoardElements = (board) => {
+  // create the element that everything will go inside of
+  const boardElement = document.createElement('div');
+
+  // give it a class for CSS purposes
+  boardElement.classList.add('board');
+
+  // use the board data structure we passed in to create the correct size board
+  for (let i = 0; i < board.length; i += 1) {
+    // make a var for just this row of cards
+    const row = board[i];
+
+    // make an element for this row of cards
+    const rowElement = document.createElement('div');
+    rowElement.classList.add('row');
+
+    // make all the squares for this row
+    for (let j = 0; j < row.length; j += 1) {
+      // create the square element
+      const square = document.createElement('div');
+
+      // set a class for CSS purposes
+      square.classList.add('square');
+
+      // color
+      if (square.suit === 'diamonds' || square.suit === 'hearts') {
+        square.classList.add('red');
+      }
+
+      // set the click event
+      // eslint-disable-next-line
+      square.addEventListener('click', (event) => {
+        // we will want to pass in the card element so
+        // that we can change how it looks on screen, i.e.,
+        // "turn the card over"
+        if (canClick === true) {
+          squareClick(event.currentTarget, i, j);
+        }
+      });
+
+      rowElement.appendChild(square);
+    }
+    boardElement.appendChild(rowElement);
+  }
+
+  return boardElement;
+};
+
+const createDeck = () => {
+  // newDeck array to contain cards
+  const newDeck = [];
+
+  // outer loop. four suits; suit symbols; suit colors
+  const suits = ['diamonds', 'clubs', 'hearts', 'spades'];
+  const suitSymbols = ['♦️', '♣️', '♥️', '♠️'];
+
+  for (let suitIndex = 0; suitIndex < suits.length; suitIndex += 1) {
+    const currentSuit = suits[suitIndex];
+    const currentSymbol = suitSymbols[suitIndex];
+
+    let suitColor = '';
+    if (currentSuit === 'diamonds' || currentSuit === 'hearts') {
+      suitColor = 'red';
+    } else if (currentSuit === 'clubs' || currentSuit === 'spades') {
+      suitColor = 'black';
+    }
+    // inner loop. 1 to 13 ranks;
+    for (let rankCounter = 1; rankCounter <= 13; rankCounter += 1) {
+      // Define card names
+      let cardName = `${rankCounter}`;
+      let shortName = `${rankCounter}`;
+      // Define exceptions for card name
+      if (cardName === '1') {
+        cardName = 'ace';
+      } else if (cardName === '11') {
+        cardName = 'jack';
+      } else if (cardName === '12') {
+        cardName = 'queen';
+      } else if (cardName === '13') {
+        cardName = 'king';
+      }
+
+      // Define exceptions for display name
+      if (shortName === '1') {
+        shortName = 'A';
+      } else if (shortName === '11') {
+        shortName = 'J';
+      } else if (shortName === '12') {
+        shortName = 'Q';
+      } else if (shortName === '13') {
+        shortName = 'K';
+      }
+
+      // Create Card
+      const card = {
+        name: cardName,
+        suit: currentSuit,
+        rank: rankCounter,
+        symbol: currentSymbol,
+        color: suitColor,
+        displayName: shortName,
+      };
+
+      // add card to deck through push function.
+      newDeck.push(card);
+      newDeck.push(card); // for pairs
+    }
+  }
+
+  return newDeck;
+};
+
+// Get a random index ranging from 0 (inclusive) to max (exclusive).
+const getRandomIndex = (max) => Math.floor(Math.random() * max);
+// Shuffle an array of cards
+const shuffleCards = (cards) => {
+  // Loop over the card deck array once
+  for (let currentIndex = 0; currentIndex < cards.length; currentIndex += 1) {
+    // Select a random index in the deck
+    const randomIndex = getRandomIndex(cards.length);
+    // Select the card that corresponds to randomIndex
+    const randomCard = cards[randomIndex];
+    // Select the card that corresponds to currentIndex
+    const currentCard = cards[currentIndex];
+    // Swap positions of randomCard and currentCard in the deck
+    cards[currentIndex] = randomCard;
+    cards[randomIndex] = currentCard;
+  }
+  // Return the shuffled deck
+  return cards;
+};
+
+const initGame = () => {
+  // create this special deck by getting the doubled cards and
+  // making a smaller array that is ( boardSize squared ) number of cards
+  document.body.appendChild(gameTimer);
+  document.body.appendChild(gameInterface);
+  gameTimer.innerText = `GAME TIME LIMIT
+  ${timeCounter}`;
+
+  gameInterface.innerText = `Hello ${username}, welcome to Match Game.
+  The rules are simple, find all the pairs to win!
+  
+  Click to begin playing :)`;
+  const doubleDeck = createDeck();
+  console.log(doubleDeck);
+  const deckSubset = doubleDeck.slice(0, boardSize * boardSize);
+  deck = shuffleCards(deckSubset);
+  console.log(deck);
+
+  // deal the cards out to the board data structure
+  for (let i = 0; i < boardSize; i += 1) {
+    board.push([]);
+    for (let j = 0; j < boardSize; j += 1) {
+      board[i].push(deck.pop());
+    }
+  }
+  console.log(board);
+  const boardEl = buildBoardElements(board);
+
+  document.body.appendChild(boardEl);
+};
+
+const preGame = () => {
+  // Username
+  const userInputDisplay = document.createElement('div');
+  document.body.appendChild(userInputDisplay);
+
+  const pregameMessage = document.createElement('p');
+  userInputDisplay.appendChild(pregameMessage);
+  pregameMessage.innerText = '';
+
+  const usernameBox = document.createElement('input');
+  usernameBox.setAttribute('type', 'text');
+  usernameBox.setAttribute('placeholder', 'type your name here');
+  // set id to retrieve user's name
+  usernameBox.setAttribute('id', 'username');
+  userInputDisplay.appendChild(usernameBox);
+
+  const inputButton = document.createElement('button');
+  inputButton.innerText = 'submit name';
+  userInputDisplay.appendChild(inputButton);
+  inputButton.addEventListener('click', () => {
+    const userInput = document.querySelector('#username');
+    console.log(userInput);
+    username = userInput.value;
+    document.body.removeChild(userInputDisplay);
+    initGame();
+  });
+};
+preGame();
diff --git a/styles.css b/styles.css
index 04e7110..4d19e0d 100644
--- a/styles.css
+++ b/styles.css
@@ -1,3 +1,51 @@
 body {
   background-color: pink;
 }
+.gameUi {
+  font-size: large;
+  font-family: Cambria, Cochin, Georgia, Times, "Times New Roman", serif;
+}
+
+.square {
+  padding: 10px;
+  margin: 10px;
+  background-color: white;
+  display: inline-block;
+  height: 50px;
+  width: 50px;
+  vertical-align: top;
+  text-align: center;
+  font-weight: bold;
+  border-radius: 10px;
+  border-color: teal;
+  border-style: solid;
+  color: red;
+}
+
+.suit {
+  margin: 5px;
+  font-size: 20px;
+}
+
+.name {
+  margin: 5px;
+  font-size: 24px;
+  font-weight: bold;
+  font-family: sans-serif;
+}
+
+.red {
+  color: red;
+}
+
+.black {
+  color: black;
+}
+
+.timer {
+  margin-bottom: 10px;
+  font-weight: bold;
+  color: chocolate;
+  font-family: monospace;
+  font-size: 20px;
+}