diff --git a/frontend/src/lib/modals/alert.svelte b/frontend/src/lib/modals/alert.svelte
new file mode 100644
index 0000000..47ff8f1
--- /dev/null
+++ b/frontend/src/lib/modals/alert.svelte
@@ -0,0 +1,70 @@
+<!--
+By Flowbite, but changed: https://flowbite.com/docs/components/modal/#default-modal
+-->
+<script lang="ts">
+	export let title: string;
+	export let body: string;
+	export let open: boolean;
+	console.log(open, title, body);
+	open = true;
+</script>
+
+<!-- Main modal -->
+{#if open}
+	<div tabindex="-1" class="overflow-y-auto overflow-x-hidden md:inset-0 lg:w-2/6 w-5/6">
+		<div class="relative p-4 w-full max-w-2xl h-full md:h-auto">
+			<!-- Modal content -->
+			<div class="relative bg-white rounded-lg shadow dark:bg-gray-700">
+				<!-- Modal header -->
+				<div
+					class="flex justify-between items-start p-4 rounded-t border-b dark:border-gray-600"
+				>
+					<h3 class="text-xl font-semibold text-gray-900 dark:text-white">
+						{title}
+					</h3>
+					<button
+						type="button"
+						class="text-gray-400 bg-transparent hover:bg-gray-200 hover:text-gray-900 rounded-lg text-sm p-1.5 ml-auto inline-flex items-center dark:hover:bg-gray-600 dark:hover:text-white"
+						on:click={() => {
+							open = false;
+						}}
+					>
+						<svg
+							class="w-5 h-5"
+							fill="currentColor"
+							viewBox="0 0 20 20"
+							xmlns="http://www.w3.org/2000/svg"
+						>
+							<path
+								fill-rule="evenodd"
+								d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z"
+								clip-rule="evenodd"
+							/>
+						</svg>
+					</button>
+				</div>
+				<!-- Modal body -->
+				<div class="p-6 space-y-6">
+					<p class="text-base leading-relaxed text-gray-500 dark:text-gray-400">
+						{body}
+					</p>
+				</div>
+				<!-- Modal footer -->
+				<div
+					class="flex items-center p-6 space-x-2 rounded-b border-t border-gray-200 dark:border-gray-600"
+				>
+					<button
+						data-modal-toggle="defaultModal"
+						type="button"
+						on:click={() => {
+							open = false;
+						}}
+						class="text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800"
+					>
+						Close
+					</button>
+				</div>
+			</div>
+		</div>
+	</div>
+{/if}
diff --git a/frontend/src/lib/navbar.svelte b/frontend/src/lib/navbar.svelte
index 6320471..badf00b 100644
--- a/frontend/src/lib/navbar.svelte
+++ b/frontend/src/lib/navbar.svelte
@@ -42,7 +42,7 @@
 </script>
 
 <nav
-	class="w-screen px-4 lg:px-10 py-2 flex flex-col lg:flex-row lg:items-center fixed backdrop-blur-2xl bg-white/70 shadow-md z-50 top-0"
+	class="w-screen px-4 lg:px-10 py-2 flex flex-col lg:flex-row lg:items-center fixed backdrop-blur-2xl bg-white/70 shadow-md z-30 top-0"
 >
 	<section class="w-full lg:w-max flex justify-between">
 		<a href="/" class="font-black tracking-tight text-xl text-black marck-script link-hover"
diff --git a/frontend/src/lib/play/join.svelte b/frontend/src/lib/play/join.svelte
index 15c4a4e..cebae78 100644
--- a/frontend/src/lib/play/join.svelte
+++ b/frontend/src/lib/play/join.svelte
@@ -3,6 +3,7 @@
 	import { onDestroy, onMount } from 'svelte';
 	import { browser } from '$app/env';
 	import * as Sentry from '@sentry/browser';
+	import { alertModal } from '../stores';
 
 	export let game_pin: string;
 
@@ -50,12 +51,20 @@
 			captcha_enabled = (await res.json()).enabled;
 		}
 		if (res.status === 404) {
-			alert('Game not found');
+			alertModal.set({
+				open: true,
+				title: 'Game not found',
+				body: 'The game pin you entered seems invalid.'
+			});
 			game_pin = '';
 			return;
 		}
 		if (res.status !== 200) {
-			alert('Unknown error!');
+			alertModal.set({
+				open: true,
+				body: `Unknown error with response-code ${res.status}`,
+				title: 'Unknown Error'
+			});
 			return;
 		}
 
@@ -69,8 +78,16 @@
 				if (import.meta.env.VITE_SENTRY !== null) {
 					Sentry.captureException(e);
 				}
-				alert('Captcha failed, reloading the page probably helps!');
-				window.location.reload();
+				alertModal.set({
+					open: true,
+					body: "The captcha failed, which is normal, but most of the time it's fixed by reloading!",
+					title: 'Captcha failed'
+				});
+				alertModal.subscribe((data) => {
+					if (!data.open) {
+						window.location.reload();
+					}
+				});
 			}
 		}
 		socket.emit('join_game', {
diff --git a/frontend/src/lib/stores.ts b/frontend/src/lib/stores.ts
index e082a10..401d453 100644
--- a/frontend/src/lib/stores.ts
+++ b/frontend/src/lib/stores.ts
@@ -3,3 +3,5 @@ import { writable } from 'svelte/store';
 export const navbarVisible = writable(true);
 export const signedIn = writable(false);
 export const pathname = writable('/');
+
+export const alertModal = writable({ open: false, title: '', body: '' });
diff --git a/frontend/src/routes/__layout.svelte b/frontend/src/routes/__layout.svelte
index db5e36a..38c6dd9 100644
--- a/frontend/src/routes/__layout.svelte
+++ b/frontend/src/routes/__layout.svelte
@@ -12,11 +12,12 @@
 <script>
 	import '../app.css';
 	import Navbar from '$lib/navbar.svelte';
-	import { navbarVisible, pathname } from '$lib/stores';
+	import { navbarVisible, pathname, alertModal } from '$lib/stores';
 	import * as Sentry from '@sentry/browser';
 	import { BrowserTracing } from '@sentry/tracing';
 	import { initLocalizationContext } from '$lib/i18n';
 	import { browser } from '$app/env';
+	import Alert from '$lib/modals/alert.svelte';
 
 	if (browser) {
 		pathname.set(window.location.pathname);
@@ -64,6 +65,17 @@
 {:else}
 	<slot />
 {/if}
+{#if $alertModal.open}
+	<div
+		class="fixed inset-0 h-screen w-screen bg-black z-30 bg-opacity-60 flex items-center justify-center content-center"
+	>
+		<Alert
+			bind:title={$alertModal.title}
+			bind:body={$alertModal.body}
+			bind:open={$alertModal.open}
+		/>
+	</div>
+{/if}
 
 <style lang="scss">
 	:global(html:not(.dark)) {
diff --git a/frontend/src/routes/import.svelte b/frontend/src/routes/import.svelte
index 8110628..713867c 100644
--- a/frontend/src/routes/import.svelte
+++ b/frontend/src/routes/import.svelte
@@ -21,7 +21,7 @@
 
 <script lang="ts">
 	import { getLocalization } from '$lib/i18n';
-	import { navbarVisible } from '$lib/stores';
+	import { navbarVisible, alertModal } from '$lib/stores';
 
 	navbarVisible.set(true);
 
@@ -50,9 +50,17 @@
 		if (res.status === 200) {
 			window.location.href = '/overview';
 		} else if (res.status === 400) {
-			alert("This quiz isn't (yet) supported!");
+			alertModal.set({
+				open: true,
+				title: 'Import failed',
+				body: "This quiz isn't (yet) supported!"
+			});
 		} else {
-			alert('Error importing quiz');
+			alertModal.set({
+				open: true,
+				title: 'Import failed',
+				body: 'Unknown error while importing the quiz!'
+			});
 		}
 		is_loading = false;
 	};
diff --git a/frontend/src/routes/overview.svelte b/frontend/src/routes/overview.svelte
index c5e5ea5..e02ac92 100644
--- a/frontend/src/routes/overview.svelte
+++ b/frontend/src/routes/overview.svelte
@@ -19,7 +19,7 @@
 	import { DateTime } from 'luxon';
 	import { getLocalization } from '$lib/i18n';
 	import Footer from '$lib/footer.svelte';
-	import { navbarVisible, signedIn } from '$lib/stores';
+	import { alertModal, navbarVisible, signedIn } from '$lib/stores';
 
 	interface QuizData {
 		id: string;
@@ -60,9 +60,14 @@
 		}
 
 		if (res.status !== 200) {
-			alert('Failed to start game!');
-			console.error(`Failed to start game, ${await res.text()}`);
-			window.location.replace('/account/login?returnTo=/overview');
+			alertModal.set({
+				open: true,
+				title: 'Start failed',
+				body: `Failed to start game, ${await res.text()}`
+			});
+			alertModal.subscribe((_) => {
+				window.location.replace('/account/login?returnTo=/overview');
+			});
 		}
 		const data = await res.json();
 		// eslint-disable-next-line no-undef