diff --git a/core/play/migrations/0003_quizgameparticipant_participant_id_and_more.py b/core/play/migrations/0003_quizgameparticipant_participant_id_and_more.py
new file mode 100644
index 0000000..ce0937c
--- /dev/null
+++ b/core/play/migrations/0003_quizgameparticipant_participant_id_and_more.py
@@ -0,0 +1,29 @@
+# Generated by Django 5.1.7 on 2025-03-15 19:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('play', '0002_alter_quizgame_join_code'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='quizgameparticipant',
+            name='participant_id',
+            field=models.CharField(default=1, max_length=200, unique=True),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='quizgameparticipant',
+            name='avatar',
+            field=models.CharField(blank=True, default='', max_length=200),
+        ),
+        migrations.AlterField(
+            model_name='quizgameparticipant',
+            name='score',
+            field=models.IntegerField(default=0, verbose_name='Punkte'),
+        ),
+    ]
diff --git a/core/play/models.py b/core/play/models.py
index bc864c2..547af30 100644
--- a/core/play/models.py
+++ b/core/play/models.py
@@ -1,6 +1,7 @@
 from django.db import models
 from django.contrib.auth.models import User
 from library.models import QivipQuiz
+from django.http import response
 import random, string
 
 # Create your models here.
@@ -21,7 +22,19 @@ class QuizGame(models.Model):
                 return new_code
 
 class QuizGameParticipant(models.Model):
+    participant_id = models.CharField(max_length=200, unique=True)
     display_name = models.CharField(verbose_name="Anzeigename", max_length=15)
     quiz_game = models.ForeignKey(QuizGame, on_delete=models.CASCADE, related_name="participant")
-    score = models.IntegerField(verbose_name="Punkte", max_length=10)
-    avatar = models.CharField(max_length=200)
\ No newline at end of file
+    score = models.IntegerField(verbose_name="Punkte", default=0)
+    avatar = models.CharField(max_length=200, blank=True, default="")
+
+    def save(self, *args, **kwargs):
+        if not self.participant_id:
+            self.participant_id = self.generate_unique_id()
+        super().save(*args, **kwargs)
+
+    def generate_unique_id(self):
+        for i in range(10):
+            new_id = ''.join(random.choices(string.digits + string.ascii_lowercase, k=60))
+            if not QuizGameParticipant.objects.filter(participant_id=new_id).exists():
+                return new_id
\ No newline at end of file
diff --git a/core/play/urls.py b/core/play/urls.py
index 72f8362..32285c1 100644
--- a/core/play/urls.py
+++ b/core/play/urls.py
@@ -5,5 +5,6 @@ app_name = 'play'
 
 urlpatterns = [
     path('lobby/<str:join_code>', views.lobby, name='lobby'),
+    path('lobby/<str:join_code>/participate', views.create_participant, name='create_participant'),
     path('join', views.join_game, name='join_game'),
 ]
\ No newline at end of file
diff --git a/core/play/views.py b/core/play/views.py
index 69e57fc..bc69f69 100644
--- a/core/play/views.py
+++ b/core/play/views.py
@@ -1,12 +1,41 @@
 from django.shortcuts import render
-from django.shortcuts import render, redirect, get_object_or_404
-from play.models import QuizGame
+from django.shortcuts import render, redirect, get_object_or_404, reverse
+from play.models import QuizGame, QuizGameParticipant
 from library.models import QivipQuiz
+from django.http import HttpResponseRedirect
 
 # Create your views here.
 def lobby(request, join_code):
+    if not "participant_id" in request.COOKIES:
+        return redirect('play:create_participant', join_code=join_code)
+
+    participant_id = request.COOKIES['participant_id']
     quiz_game = get_object_or_404(QuizGame, join_code=join_code)
-    return render(request, 'play/lobby.html', {'debug': "test"})
+    participant = get_object_or_404(QuizGameParticipant, participant_id=participant_id)
+    return render(request, 'play/lobby.html', {'debug': "test", 'participant': participant})
+
+def create_participant(request, join_code):
+    if "participant_id" in request.COOKIES: # Umleiten, falls Teilnehmer bereits erstellt
+        return redirect('play:lobby', join_code=join_code)
+    if request.method == 'POST':
+        display_name = request.POST.get('display_name')
+        join_code = request.POST.get('join_code')
+        try:
+            quiz = QuizGame.objects.get(join_code=join_code)
+            participant = QuizGameParticipant()
+            participant.display_name = display_name
+            participant.quiz_game = quiz
+            participant.save()
+
+            response = HttpResponseRedirect(reverse('play:lobby', kwargs={'join_code': join_code}))
+            response.set_cookie('participant_id', participant.participant_id, max_age=3600)
+
+            return response
+        except QuizGame.DoesNotExist:
+            # TODO: Fehlermeldung fuer nicht-existierendes Quiz
+            pass
+
+    return render(request, 'play/initialize_participant.html', {'join_code': join_code})
 
 def join_game(request):
     if request.method == 'POST':
diff --git a/core/templates/play/initialize_participant.html b/core/templates/play/initialize_participant.html
new file mode 100644
index 0000000..2bc4acc
--- /dev/null
+++ b/core/templates/play/initialize_participant.html
@@ -0,0 +1,13 @@
+{% extends 'base.html' %}
+
+{% block content %}
+<h1>User for a Game:</h1>
+<div class="input-group  border-blue-600 border-2 rounded-xl shadow-md">
+    <form method="post">
+        {% csrf_token %}
+        <input type="hidden" name="join_code" value="{{join_code}}">
+        <input type="text" name="display_name" placeholder="Anzeigename">
+        <button type="submit">Speichern</button>
+    </form>
+</div>
+{% endblock %}
\ No newline at end of file
diff --git a/core/templates/play/lobby.html b/core/templates/play/lobby.html
index 7165d55..1bdd7f5 100644
--- a/core/templates/play/lobby.html
+++ b/core/templates/play/lobby.html
@@ -3,14 +3,19 @@
 {% block content %}
 <div class="container mx-auto px-4">
     <h1>Bundeslaender Deutschland Quiz</h1>
+    <div class="mt-4 mb-4 text-center">
+        <h3>Sichtbar als <b>{{ participant.display_name }}</b></h3>
+    </div>
     <div id="player-list">
         <ul>
-            <li>Spieler 1</li>
-            <li>Spieler 2</li>
-            <li>Spieler 3</li>
+            <li>Noch keine Spieler gefunden.</li>
         </ul>
         {{debug}}
     </div>
     <button class="w-full p-3 rounded-full bg-blue-600 text-white font-black hover:scale-105 transition duration-200" type="submit">Starten</button>
 </div>
+
+<script>
+    // TODO: Websocket Verbindung aufbauen und Teilnehmerliste bei beitreten updaten
+</script>
 {% endblock %}
\ No newline at end of file