diff --git a/launch.py b/launch.py
index 93c0910..baf294c 100644
--- a/launch.py
+++ b/launch.py
@@ -1,6 +1,41 @@
+from pathlib import Path
 import subprocess as sp
-import os
+from zipfile import ZipFile
+import requests as rq
+import os, sys, shutil
 
-folder_path = __file__.replace("\\", "/")[:-10]
-os.chdir(folder_path)
-sp.call(f'python "{folder_path}/src/main.py"')
+
+project_folder = Path.home() / ".ponguito"
+project_folder.mkdir(exist_ok=True, parents=True)
+os.chdir(project_folder)
+
+# Récupération de la version locale
+try:
+    with open("version.txt", "r") as f:
+        version = f.read()
+except:
+    version = "0.0.0"
+
+# Récupération de la version du serveur
+try:
+    response = rq.get("https://git.tipragot.fr/raphael/ponguito/raw/branch/main/version.txt")
+    server_version = response.text
+except:
+    print("Impossible de se connecter au serveur")
+    server_version = version
+
+# Mise à jour de la version locale
+if server_version != version:
+    response = rq.get("https://git.tipragot.fr/raphael/ponguito/archive/main.zip")
+    if response.status_code == 200:
+        with open("main.zip", "wb") as f:
+            f.write(response.content)
+        ZipFile("main.zip").extractall()
+        os.remove("main.zip")
+        shutil.rmtree("game")
+        os.rename("ponguito", "game")
+        os.rename("game/launch.py", __file__)
+
+# Lancement du jeu
+os.chdir(project_folder / "game")
+sp.call([sys.executable, f"src/main.py"])
diff --git a/src/scenes/game_over.py b/src/scenes/game_over.py
index 1910064..7e961ba 100644
--- a/src/scenes/game_over.py
+++ b/src/scenes/game_over.py
@@ -94,12 +94,12 @@ def __create_button(world: World, name: str):
 
 def new_score(world: World, e: Entity):
     e.remove(Clickable)
-    if os.path.exists("username.txt"):
-        with open("username.txt", "r") as f:
+    if os.path.exists("../username.txt"):
+        with open("../username.txt", "r") as f:
             name = f.read()
     else:
         name = world.query(Writing).pop()
-        with open("username.txt", "w") as f:
+        with open("../username.txt", "w") as f:
             f.write(name[Text])
 
     try:
diff --git a/version.txt b/version.txt
new file mode 100644
index 0000000..afaf360
--- /dev/null
+++ b/version.txt
@@ -0,0 +1 @@
+1.0.0
\ No newline at end of file