diff --git a/web-app/src/wasmJsMain/resources/index.html b/web-app/src/wasmJsMain/resources/index.html
index 4c18b31..781a3f8 100644
--- a/web-app/src/wasmJsMain/resources/index.html
+++ b/web-app/src/wasmJsMain/resources/index.html
@@ -12,10 +12,32 @@
             height: 100%;
             margin: 0;
             padding: 0;
-            background-color: white;
+            background-color: #353535;
             overflow: hidden;
         }
 
+        #loader-box {
+            position: absolute;
+            top: 0;
+            left: 0;
+            width: 100%;
+            height: 100%;
+            z-index: 0;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            background-color: #353535;
+        }
+
+        #minigamesCanvas {
+            position: absolute;
+            top: 0;
+            left: 0;
+            width: 100%;
+            height: 100%;
+            z-index: 50;
+        }
+
         #warning {
             position: absolute;
             top: 100px;
@@ -26,6 +48,7 @@
             font-size: initial;
             display: none;
         }
+
         #warning li {
             padding-bottom: 15px;
         }
@@ -38,11 +61,93 @@
             margin-top: 0;
             margin-bottom: 15px;
         }
+
+        .loader {
+            width: 48px;
+            height: 48px;
+            display: inline-block;
+            position: relative;
+            transform: rotate(45deg);
+        }
+
+        .loader::before {
+            content: '';
+            box-sizing: border-box;
+            width: 24px;
+            height: 24px;
+            position: absolute;
+            left: 0;
+            top: -24px;
+            animation: animloader 4s ease infinite;
+        }
+
+        .loader::after {
+            content: '';
+            box-sizing: border-box;
+            position: absolute;
+            left: 0;
+            top: 0;
+            width: 24px;
+            height: 24px;
+            background: rgba(255, 255, 255, 0.85);
+            box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+            animation: animloader2 2s ease infinite;
+        }
+
+        @keyframes animloader {
+            0% {
+                box-shadow: 0 24px rgba(255, 255, 255, 0), 24px 24px rgba(255, 255, 255, 0), 24px 48px rgba(255, 255, 255, 0), 0px 48px rgba(255, 255, 255, 0);
+            }
+            12% {
+                box-shadow: 0 24px white, 24px 24px rgba(255, 255, 255, 0), 24px 48px rgba(255, 255, 255, 0), 0px 48px rgba(255, 255, 255, 0);
+            }
+            25% {
+                box-shadow: 0 24px white, 24px 24px white, 24px 48px rgba(255, 255, 255, 0), 0px 48px rgba(255, 255, 255, 0);
+            }
+            37% {
+                box-shadow: 0 24px white, 24px 24px white, 24px 48px white, 0px 48px rgba(255, 255, 255, 0);
+            }
+            50% {
+                box-shadow: 0 24px white, 24px 24px white, 24px 48px white, 0px 48px white;
+            }
+            62% {
+                box-shadow: 0 24px rgba(255, 255, 255, 0), 24px 24px white, 24px 48px white, 0px 48px white;
+            }
+            75% {
+                box-shadow: 0 24px rgba(255, 255, 255, 0), 24px 24px rgba(255, 255, 255, 0), 24px 48px white, 0px 48px white;
+            }
+            87% {
+                box-shadow: 0 24px rgba(255, 255, 255, 0), 24px 24px rgba(255, 255, 255, 0), 24px 48px rgba(255, 255, 255, 0), 0px 48px white;
+            }
+            100% {
+                box-shadow: 0 24px rgba(255, 255, 255, 0), 24px 24px rgba(255, 255, 255, 0), 24px 48px rgba(255, 255, 255, 0), 0px 48px rgba(255, 255, 255, 0);
+            }
+        }
+
+        @keyframes animloader2 {
+            0% {
+                transform: translate(0, 0) rotateX(0) rotateY(0);
+            }
+            25% {
+                transform: translate(100%, 0) rotateX(0) rotateY(180deg);
+            }
+            50% {
+                transform: translate(100%, 100%) rotateX(-180deg) rotateY(180deg);
+            }
+            75% {
+                transform: translate(0, 100%) rotateX(-180deg) rotateY(360deg);
+            }
+            100% {
+                transform: translate(0, 0) rotateX(0) rotateY(360deg);
+            }
+        }
     </style>
 </head>
 <body>
 <canvas id="minigamesCanvas"></canvas>
-
+<div id="loader-box">
+    <span class="loader"></span>
+</div>
 <div id="warning">
     ⚠️ Please make sure that your runtime environment supports the latest version of Wasm GC and Exception-Handling proposals.
     For more information, see <a href="https://kotl.in/wasm-help">https://kotl.in/wasm-help</a>.
@@ -62,14 +167,14 @@
 </div>
 </body>
 
-<script type="application/javascript" >
+<script type="application/javascript">
     const unhandledError = (event, error) => {
         if (error instanceof WebAssembly.CompileError) {
-            document.getElementById("warning").style.display="initial";
+            document.getElementById("warning").style.display = "initial";
 
             // Hide a Scary Webpack Overlay which is less informative in this case.  
             const webpackOverlay = document.getElementById("webpack-dev-server-client-overlay");
-            if (webpackOverlay != null) webpackOverlay.style.display="none";
+            if (webpackOverlay != null) webpackOverlay.style.display = "none";
         }
     }
     addEventListener("error", (event) => unhandledError(event, event.error));