diff --git a/GameScene.js b/GameScene.js
index 053ee7a..6f1db36 100644
--- a/GameScene.js
+++ b/GameScene.js
@@ -5,6 +5,7 @@ import { createCat, SleepyCat, sleepyCats, throwables } from './classes/Cat.js';
 import { createMouse } from './classes/Mouse.js';
 import { RobotVacuum } from './classes/RobotVacuum.js';
 import { level1Mice } from './level/Level1.js';
+import { showWinningScreen, showLosingScreen } from './level/WinLose.js';
 
 const gameParent = document.getElementById('gameFrame');
 const upperContainer = document.getElementById('upperContainer');
@@ -14,6 +15,7 @@ const gameProgress = document.getElementById('gameProgress');
 export const activeCats = [];
 export const activeMice = Array.from({ length: 5 }, () => []);
 const robotVacuums = [];
+let leftBar, rightBar, cheeseFeast;
 export let gameSprites = [];
 export let cheeses = [];
 export let grid = Array(5).fill().map(() => Array(9).fill(null));
@@ -40,6 +42,7 @@ function isCellValid(row, col) {
 export function GameScene() {
     this.enter = function() {
         select('#upperContainer').show();
+        select('#endingOverlay').hide();
         select('#menuButton').show();
         select('#startButton').hide();
 
@@ -52,6 +55,23 @@ export function GameScene() {
 
         gameSprites = [];   // kayanya ga butuh, sama kayak allSprites
 
+        leftBar = createSprite(gameFrame.border / 2, gameFrame.padding_up + gameFrame.tileHeight * 2.5, gameFrame.border, gameFrame.tileHeight * 5);
+        leftBar.color = Colors.dark_brown;
+        leftBar.layer = 10;
+        leftBar.overlaps(allSprites);
+        gameSprites.push(leftBar);
+
+        rightBar = createSprite(width - gameFrame.border / 2, gameFrame.padding_up + gameFrame.tileHeight * 2.5, gameFrame.border, gameFrame.tileHeight * 5);
+        rightBar.color = Colors.dark_brown;
+        rightBar.layer = 10;
+        rightBar.overlaps(allSprites);
+        gameSprites.push(rightBar);
+
+        cheeseFeast = createSprite(gameFrame.tileWidth / 4, gameFrame.padding_up + gameFrame.tileHeight * 2.5, gameFrame.tileWidth / 2, gameFrame.tileHeight * 5);
+        cheeseFeast.opacity = 0;
+        cheeseFeast.overlaps(mouseGroup);
+        gameSprites.push(cheeseFeast)
+
         for (let row = 0; row < gameFrame.rows; row ++) {
             let x = gameFrame.paddingRobot + gameFrame.robotSize / 2;
             let y = gameFrame.padding_up + row * gameFrame.tileHeight + gameFrame.tileHeight / 2;
@@ -111,6 +131,11 @@ export function GameScene() {
             for (let i = 0; i < activeMice[row].length; i++) {
                 const currMouse = activeMice[row][i];
                 currMouse.attack();
+
+                if (cheeseFeast.overlaps(currMouse.sprite)) {
+                    showLosingScreen();
+                }
+
                 sleepyCats.forEach((cat) => {
                     if (cat.sprite.overlaps(currMouse.sprite)) {
                         cat.awake = true;
@@ -227,13 +252,13 @@ function updateCheeseCount(n) {
 function spawnMouse(type, row) {
     let x = width;
     let y = gameFrame.padding_up + row * gameFrame.tileHeight + gameFrame.tileHeight / 2;
-
+    
     let newMouse = new createMouse(type, x, y, row);
     if (newMouse) {
         activeMice[row].push(newMouse);
         if (type == 'bossMouse') {
             if (row - 1 >= 0) activeMice[row - 1].push(newMouse);
-            if (row + 1 >= gameFrame.rows) activeMice[row + 1].push(newMouse);
+            if (row + 1 < gameFrame.rows) activeMice[row + 1].push(newMouse);
         }
         mouseGroup.add(newMouse.sprite);
         gameSprites.push(newMouse.sprite);
@@ -244,6 +269,10 @@ export function updateProgressBar() {
     miceKilled++;
     const percentage = Math.floor((miceKilled / level1Mice.length) * 100);
     gameProgress.value = percentage;
+
+    if (percentage >= 100) {
+        showWinningScreen();
+    }
     console.log(`killed ${miceKilled} out of ${level1Mice.length}, % = ${percentage}`);
 }
 
@@ -260,7 +289,7 @@ function updateCatButtons() {
         const catType = button.id;
         const cost = catCosts[catType];
 
-        if (int(cheeseCount.textContent) < cost) {
+        if (parseInt(cheeseCount.textContent) < cost) {
             button.disabled = true;
             button.style.cursor = 'not-allowed';
             button.style.opacity = '0.5';
diff --git a/StartScene.js b/StartScene.js
index b2a3d7a..432d603 100644
--- a/StartScene.js
+++ b/StartScene.js
@@ -5,6 +5,7 @@ export function StartScene() {
         const self = this;
 
         select('#upperContainer').hide();
+        select('#endingOverlay').hide();
         select('#menuButton').hide();
         select('#startButton').show();
     }
diff --git a/assets/catsLabel.png b/assets/catsLabel.png
index d8dc347..6754a85 100644
Binary files a/assets/catsLabel.png and b/assets/catsLabel.png differ
diff --git a/assets/cheeseLabel.png b/assets/cheeseLabel.png
index 22a9f59..c656307 100644
Binary files a/assets/cheeseLabel.png and b/assets/cheeseLabel.png differ
diff --git a/assets/game_background.png b/assets/game_background.png
new file mode 100644
index 0000000..9cf03ed
Binary files /dev/null and b/assets/game_background.png differ
diff --git a/assets/gamebg3.png b/assets/gamebg3.png
deleted file mode 100644
index b83285a..0000000
Binary files a/assets/gamebg3.png and /dev/null differ
diff --git a/css/style.css b/css/style.css
index 126f355..9b607c7 100644
--- a/css/style.css
+++ b/css/style.css
@@ -28,6 +28,24 @@ body {
     overflow: hidden;
 }
 
+#endingOverlay {
+    position: fixed;
+    max-width: 800px;
+    width: 60vw;
+    aspect-ratio: 800/569;
+    border-radius: 35px;
+    background-color: rgba(80, 62, 40, 0.75);
+    z-index: 100;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+}
+
+#endingText {
+    color: var(--dark-yellow);
+}
+
 canvas {
     display: block;
     width: 100%;
@@ -38,9 +56,6 @@ canvas {
 
 #upperContainer {
     position: absolute;
-    display: flex;
-    flex-direction: row;
-    gap: 16px;
     align-items: center;
     background: var(--med-brown);
     border-radius: 25px 25px 0 0;
@@ -52,13 +67,10 @@ canvas {
     border-radius: 30px 30px 0 0;
     display: flex;
     flex-direction: row;
-    gap: 10px;  
-    /* TODO: ganti ke % apa ya, 10px magic number bgt */
     align-items: center;
 }
 
 #cheeseLabel {
-    margin-left: 20px;
     height: 100%;
 }
 
@@ -69,8 +81,7 @@ canvas {
 #cheeseDisplay {
     background: var(--light-brown);
     height: 100%;
-    width: auto;
-    aspect-ratio: 80/83;
+    width: 9.7%;
     border-radius: 8px;
     display: flex;
     flex-direction: column;
@@ -99,7 +110,6 @@ canvas {
     border: 1px solid var(--dark-brown);
     border-radius: 4px;
     padding: 4px 6px;
-    font-size: 18px;
     cursor: pointer;
     transition: background 0.2s;
 }
@@ -117,6 +127,10 @@ canvas {
     background: red;
 }
 
+.divider {
+    width: 1.5%;
+}
+
 #petCage {
     height: 100%;
     width: auto;
@@ -143,17 +157,22 @@ canvas {
 }
 
 #gameProgressWrapper {
+    width: 22%;
+    height: 100%;
     display: flex;
     flex-direction: column;
     align-items: center;
-    height: 50%;
+    justify-content: center;
 }
 
 #gameProgress {
     appearance: none;
+    width: 75%;
+    height: 20%;
     border-radius: 100px;
+    margin-top: 5%;
     background-color: var(--dark-brown);
-    border: 4px solid #4b392b;
+    border: 4px solid var(--dark-brown);
     overflow: hidden;
 }
 
@@ -168,9 +187,11 @@ canvas {
 }
 
 #gameProgressLabel {
-    margin-top: 0.5rem;
-    font-size: 1.2rem;
-    font-weight: bold;
+    height: 20%;
+    font-weight: 600;
+    font-family: "Inter", sans-serif;
+    margin-top: 4%;
+    color: var(--dark-brown);
 }
 
 #gameBackground {
diff --git a/index.html b/index.html
index 4b16b41..a3e88d7 100644
--- a/index.html
+++ b/index.html
@@ -14,19 +14,29 @@
     <script type="module" src="sketch.js"></script>
 
     <link rel="stylesheet" type="text/css" href="css/style.css" />
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap" rel="stylesheet">
 </head>
 
 <body>
     <h1 id="title">Cats vs Mice</h1>
     <div id="gameFrame">
+        <div id="endingOverlay">
+            <h1 id="endingText">Congrats! You've finished level 1!</h1>
+            <button class="Button" id="quitButton">Quit Game</button>
+        </div>
         <div id="upperContainer">
             <div id="controlPanel">
                 <img src="assets/cheeseLabel.png" alt="Cheese Label" id="cheeseLabel">
+                
                 <div id="cheeseDisplay">
                     <img src="assets/cheese.png" alt="Cheese Icon" id="cheeseIcon">
                     <span id="cheeseCount">50</span>
                 </div>
+
                 <img src="assets/catsLabel.png" alt="Cat Label" id="catsLabel">
+
                 <div id="catToolbar">
                     <button class="catButton" id="chefCat">
                         <img src="assets/chef_cat_icon.png" alt="Chef Cat" class="catIcon" />
@@ -49,18 +59,24 @@
                         <span>150</span>
                     </button>
                 </div>
+
+                <span class="divider"></span>
+
                 <button class="catButton" id="petCage">
                     <img src="assets/petCage.png" alt="Pet Cage" id="cageIcon" />
                 </button>
 
+                <span class="divider"></span>
+
                 <div id="gameProgressWrapper">
-                    <progress id="gameProgress" value="0" max="100"></progress>
+                    <progress id="gameProgress" value="0" max="100"></progress> 
                     <label id="gameProgressLabel">Game Progress</label>
                 </div>
 
             </div>
         </div>
     </div>
+
     <button class="Button" id="startButton">Start Game</button>
     <button class="Button" id="menuButton">Menu</button>
 </body>
diff --git a/level/Level1.js b/level/Level1.js
index 01a1d09..1f0dc62 100644
--- a/level/Level1.js
+++ b/level/Level1.js
@@ -1,6 +1,6 @@
 export const level1Mice = [
     // First 30 seconds — Setup Time (no mice)
-    { time: 5, type: 'bossMouse', row: 2 },
+    // { time: 5, type: 'basicMouse', row: 2 },
 
     // First minute (30 - 89) — Basic Mice only
     { time: 30, type: 'basicMouse', row: 2 },
diff --git a/level/WinLose.js b/level/WinLose.js
new file mode 100644
index 0000000..37797a5
--- /dev/null
+++ b/level/WinLose.js
@@ -0,0 +1,17 @@
+const endingOverlay = document.getElementById('endingOverlay');
+const endingText = document.getElementById('endingText');
+
+const endingMessage = {
+    win: "Nice job! The Cheese Feast is safe!",
+    lose: "Oh no! The mice crashed the Cheese Feast!<br>Give it another shot! (whiskers crossed)"
+}
+
+export function showWinningScreen() {
+    endingText.innerHTML = endingMessage.win;
+    endingOverlay.style.display = 'flex';
+}
+
+export function showLosingScreen() {
+    endingText.innerHTML = endingMessage.lose;
+    endingOverlay.style.display = 'flex';
+}
\ No newline at end of file
diff --git a/sketch.js b/sketch.js
index 03e7d01..ff4fa04 100644
--- a/sketch.js
+++ b/sketch.js
@@ -4,7 +4,7 @@ import { GameScene } from './GameScene.js';
 export let mgr;
 const gameParent = document.getElementById('gameFrame');
 const startButton = document.getElementById('startButton');
-export let startPageAni, robotVacuum, gameBackground;
+export let startPageAni;
 export const imageAssets = {};
 export const catImages = {};
 export const catAnimation = {};
@@ -16,14 +16,12 @@ function preload() {
         width: 1440, height: 1024, frames: 5
     });
     startPageAni.frameDelay = 10;
-    robotVacuum = loadImage('assets/robot_vacuum.png');
-    gameBackground = loadImage('assets/gamebg3.png');
 
     imageAssets.cheese = loadImage('assets/cheese.png');
     imageAssets.yarn = loadImage('assets/yarn.png');
     imageAssets.snowball = loadImage('assets/snowball.png');
     imageAssets.robotVacuum = loadImage('assets/robot_vacuum.png');
-    imageAssets.gameBackground = loadImage('assets/gamebg3.png');
+    imageAssets.gameBackground = loadImage('assets/game_background.png');
     imageAssets.mouse = loadImage('assets/mouse.png');
     imageAssets.redExplosion = loadImage('assets/red_explosion.png');
     imageAssets.grayExplosion = loadImage('assets/gray_explosion.png');
@@ -86,6 +84,11 @@ menuButton.addEventListener('click', function (event) {
     mgr.showScene(StartScene);
 });
 
+quitButton.addEventListener('click', function (event) {
+    event.preventDefault();
+    mgr.showScene(StartScene);
+});
+
 document.querySelectorAll('.catButton').forEach(button => {
     button.addEventListener('click', () => {
         if (selectedCatType === button.id) {