diff --git a/css/style.css b/css/style.css
index 6a05b72..a677bf5 100644
--- a/css/style.css
+++ b/css/style.css
@@ -102,6 +102,48 @@ canvas {
   font-weight: 600;
 }
 
+.game-over-overlay {
+  position: absolute;
+  inset: 0;
+  z-index: 3;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 10px;
+  background: rgba(0, 0, 0, 0.78);
+  text-align: center;
+  padding: 20px;
+}
+
+.game-over-overlay[hidden] {
+  display: none;
+}
+
+.game-over-image {
+  width: min(70%, 460px);
+  max-height: 52vh;
+  object-fit: contain;
+  border-radius: 12px;
+  border: 1px solid rgba(255, 255, 255, 0.22);
+  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
+}
+
+.game-over-text {
+  margin-top: 4px;
+  font-size: clamp(24px, 4vw, 40px);
+  font-weight: 700;
+  color: #f3f7ff;
+  text-transform: uppercase;
+  letter-spacing: 0.08em;
+}
+
+.game-over-subtext {
+  font-size: 14px;
+  color: #c9d8ea;
+  letter-spacing: 0.05em;
+}
+
 .control-panel {
   padding: 16px;
   overflow-y: auto;
diff --git a/img/img_door.png b/img/img_door.png
new file mode 100644
index 0000000..6146e59
Binary files /dev/null and b/img/img_door.png differ
diff --git a/img/img_jobapplication.png b/img/img_jobapplication.png
new file mode 100644
index 0000000..f85f41c
Binary files /dev/null and b/img/img_jobapplication.png differ
diff --git a/index.html b/index.html
index 03659c7..2b0fd5b 100644
--- a/index.html
+++ b/index.html
@@ -19,6 +19,11 @@
             <div class="canvas-hud-row"><span>Has key</span><strong id="canvas-key">no</strong></div>
             <div class="canvas-hud-row"><span>Rounds</span><strong id="canvas-rounds">0</strong></div>
           </div>
+          <div id="game-over-overlay" class="game-over-overlay" hidden>
+            <img id="game-over-image" alt="Game over" class="game-over-image" />
+            <div class="game-over-text">Game Over</div>
+            <div class="game-over-subtext">Press R to play again</div>
+          </div>
         </div>
       </section>
 
diff --git a/src/babylon_setup.js b/src/babylon_setup.js
index 69fdab7..b832441 100644
--- a/src/babylon_setup.js
+++ b/src/babylon_setup.js
@@ -6,6 +6,8 @@ import { playSfx, primeSfx } from "./sfx.js";
 import chestTextureUrl from "../img/img_chest.png";
 import wallTextureUrl from "../img/img_wall.png";
 import groundTextureUrl from "../img/img_ground.png";
+import doorTextureUrl from "../img/img_door.png";
+import gameOverImageUrl from "../img/img_jobapplication.png";
 
 // Initialize Babylon.js engine and scene
 const canvas = document.getElementById("renderCanvas");
@@ -13,6 +15,11 @@ const engine = new BABYLON.Engine(canvas, true);
 const canvasTime = document.getElementById("canvas-time");
 const canvasKey = document.getElementById("canvas-key");
 const canvasRounds = document.getElementById("canvas-rounds");
+const gameOverOverlay = document.getElementById("game-over-overlay");
+const gameOverImage = document.getElementById("game-over-image");
+if (gameOverImage) {
+    gameOverImage.src = gameOverImageUrl;
+}
 
 const scene = new BABYLON.Scene(engine);
 scene.clearColor = new BABYLON.Color4(0.05, 0.07, 0.1, 1);
@@ -49,6 +56,7 @@ scene.activeCamera = camera;
 let lastFootstepPosition = null;
 let footstepAccumulator = 0;
 let footstepElapsed = 0;
+let gameOverActive = false;
 
 scene.gravity = new BABYLON.Vector3(0, -0.2, 0);
 scene.collisionsEnabled = true;
@@ -66,6 +74,34 @@ function updateOverviewCameraForMaze(w, h) {
     overviewCamera.target = new BABYLON.Vector3(0, 0, 0);
 }
 
+function showGameOverScreen() {
+    gameOverActive = true;
+    if (gameOverOverlay) {
+        gameOverOverlay.hidden = false;
+    }
+    if (document.pointerLockElement === canvas && document.exitPointerLock) {
+        document.exitPointerLock();
+    }
+}
+
+function hideGameOverScreen() {
+    gameOverActive = false;
+    if (gameOverOverlay) {
+        gameOverOverlay.hidden = true;
+    }
+}
+
+function restartRunFromGameOver() {
+    sharedState.runtime.runActive = true;
+    sharedState.runtime.hasKey = false;
+    sharedState.runtime.roundsCompleted = 0;
+    sharedState.runtime.elapsedSeconds = 0;
+    sharedState.runtime.message = "Run restarted.";
+    sharedState.config.level = 1;
+    hideGameOverScreen();
+    generateLevel();
+}
+
 function switchCameraMode() {
     if (cameraMode === "fp") {
         if (document.pointerLockElement === canvas && document.exitPointerLock) {
@@ -87,9 +123,13 @@ function switchCameraMode() {
 }
 
 window.addEventListener("keydown", (event) => {
-    if (event.code === "KeyW" || event.code === "KeyA" || event.code === "KeyS" || event.code === "KeyD" || event.code === "KeyV") {
+    if (event.code === "KeyW" || event.code === "KeyA" || event.code === "KeyS" || event.code === "KeyD" || event.code === "KeyV" || event.code === "KeyR") {
         primeSfx();
     }
+    if (event.code === "KeyR" && gameOverActive) {
+        restartRunFromGameOver();
+        return;
+    }
     if (event.code === "KeyV") {
         switchCameraMode();
     }
@@ -280,39 +320,21 @@ function placeExit(grid, seed) {
     const exitWorld = gridCellToWorld(grid, x, y, cellSize);
     const ex = exitWorld.x;
     const ez = exitWorld.z;
-    const worldSpan = Math.max(grid[0].length, grid.length) * cellSize;
-    
-    // Ground plane indicator (larger + slightly raised to avoid z-fighting)
-    const plane = BABYLON.MeshBuilder.CreateGround('exitZone', { width: cellSize*1.4, height: cellSize*1.4 }, scene);
+
+    const plane = BABYLON.MeshBuilder.CreatePlane('exitDoor', {
+        width: cellSize * 1.35,
+        height: cellSize * 1.85,
+        sideOrientation: BABYLON.Mesh.DOUBLESIDE,
+    }, scene);
     const exitMat = new BABYLON.StandardMaterial('exitMat', scene);
-    exitMat.diffuseColor = new BABYLON.Color3(0.25, 0.2, 0.03);
-    exitMat.emissiveColor = new BABYLON.Color3(1.0, 0.85, 0.15);
-    exitMat.disableLighting = true;
+    exitMat.diffuseTexture = new BABYLON.Texture(doorTextureUrl, scene);
+    exitMat.diffuseColor = new BABYLON.Color3(0.95, 0.95, 0.95);
+    exitMat.emissiveColor = new BABYLON.Color3(0.07, 0.07, 0.07);
     plane.material = exitMat;
-    plane.position = new BABYLON.Vector3(ex, 0.08, ez);
+    plane.position = new BABYLON.Vector3(ex, cellSize * 0.92, ez);
+    plane.billboardMode = BABYLON.Mesh.BILLBOARDMODE_Y;
     exitBox = plane;
     levelMeshes.push(plane);
-    
-    // Very tall beacon for visibility over maze walls
-    const beaconHeight = Math.max(18, worldSpan * 0.8);
-    const pillar = BABYLON.MeshBuilder.CreateCylinder('exitPillar', { diameter: cellSize*0.55, height: beaconHeight }, scene);
-    const pillarMat = new BABYLON.StandardMaterial('exitPillarMat', scene);
-    pillarMat.diffuseColor = new BABYLON.Color3(0.95, 0.8, 0.1);
-    pillarMat.emissiveColor = new BABYLON.Color3(1.0, 0.7, 0.1);
-    pillarMat.disableLighting = true;
-    pillar.material = pillarMat;
-    pillar.position = new BABYLON.Vector3(ex, beaconHeight * 0.5, ez);
-    levelMeshes.push(pillar);
-
-    // Bright orb at the top of beacon
-    const orb = BABYLON.MeshBuilder.CreateSphere('exitOrb', { diameter: cellSize * 1.0 }, scene);
-    const orbMat = new BABYLON.StandardMaterial('exitOrbMat', scene);
-    orbMat.diffuseColor = new BABYLON.Color3(1.0, 0.9, 0.3);
-    orbMat.emissiveColor = new BABYLON.Color3(1.0, 0.9, 0.35);
-    orbMat.disableLighting = true;
-    orb.material = orbMat;
-    orb.position = new BABYLON.Vector3(ex, beaconHeight + cellSize * 0.7, ez);
-    levelMeshes.push(orb);
 }
 
 function spawnCameraAt(grid) {
@@ -368,6 +390,7 @@ function spawnCameraAt(grid) {
 }
 
 function generateLevel() {
+    hideGameOverScreen();
     const cfg = sharedState.config;
     const seed = cfg.seed;
     const w = Math.max(9, cfg.mazeWidth);
@@ -415,8 +438,10 @@ scene.onPointerObservable.add((pi) => {
     if (entry.opened) {
         primeSfx();
         playSfx("chestClose", 0.8);
+        playSfx("lose", 0.85);
         sharedState.runtime.runActive = false;
         sharedState.runtime.message = 'Opened chest again — game over.';
+        showGameOverScreen();
         return;
     }
     primeSfx();
diff --git a/src/sfx.js b/src/sfx.js
index 447564e..7fc9c18 100644
--- a/src/sfx.js
+++ b/src/sfx.js
@@ -3,6 +3,7 @@ const soundFiles = {
     chestOpen: "/sfx/sfx_chest_open.wav",
     click: "/sfx/sfx_click.wav",
     key: "/sfx/sfx_key.wav",
+    lose: "/sfx/sfx_lose.wav",
     step: "/sfx/sfx_step.wav",
     win: "/sfx/sfx_win.wav",
 };