diff --git a/src/scenes/story/directory_search.py b/src/scenes/story/directory_search.py
index 97f171e..1e13ce4 100644
--- a/src/scenes/story/directory_search.py
+++ b/src/scenes/story/directory_search.py
@@ -2,7 +2,10 @@
 Scène du jeu dans lequel Windows Defender se cache de Edmond dans les dossiers.
 """
 
-from engine import Scene
+import random
+from plugins.animation import Animation
+from plugins.coroutine import Coroutine, wait
+from engine import CurrentScene, Scene
 from engine.ecs import Entity, World
 from engine.math import Vec2
 from plugins import assets as plugin_assets, render, smooth
@@ -79,6 +82,18 @@ class SearchingDirectory:
     """
 
 
+class SearchedDirectoryAlert:
+    """
+    Composant marquant une entité comme etant un dossier etant dans la recherche plus tard.
+    """
+
+
+class SearchedDirectoryAlertPosition(Vec2):
+    """
+    Composant marquant une entité comme etant la position d'un dossier dans la recherche plus tard.
+    """
+
+
 class DirectoryName:
     """
     Composant marquant une entité comme étant le nom d'un dossier.
@@ -156,6 +171,84 @@ def __initialize(world: World):
                 DirectoryName(entity),
             )
 
+    # Lancement de la boucle de jeu
+    world.new_entity().set(Coroutine(__game_loop(world)))
+
+
+def __game_loop(world: World):
+    """
+    La boucle principale de la scene.
+    """
+    yield wait(5.0)
+    for _ in range(5):
+        __spawn_search_alert(world, 5)
+        yield wait(5.0)
+        __spawn_search_directory(world)
+        __delete_search_alert(world)
+        yield wait(5.0)
+        __delete_search_directory(world)
+        yield wait(1.0)
+
+
+def __delete_search_directory(world: World):
+    for entity in world.query(Directory, SearchingDirectory):
+        del entity[SearchingDirectory]
+        del entity[Animation]
+        print("c'est bon ?")
+
+
+def __spawn_search_directory(world: World):
+    for search_alert in world.query(
+        SearchedDirectoryAlert, SearchedDirectoryAlertPosition
+    ):
+        for entity in world.query(Directory, DirectoryPosition):
+            if (
+                entity[DirectoryPosition]
+                == search_alert[SearchedDirectoryAlertPosition]
+            ):
+                if DefenderDirectory in entity:
+                    entity.set(
+                        SearchingDirectory(),
+                        Animation("search_directory_failed", callback=__game_over),
+                    )
+                    break
+                entity.set(SearchingDirectory(), Animation("search_directory"))
+                break
+
+
+def __game_over(world: World, _entity: Entity):
+    world[CurrentScene] = SCENE
+
+
+def __delete_search_alert(world: World):
+    for search_alert in world.query(
+        SearchedDirectoryAlert, SearchedDirectoryAlertPosition
+    ):
+        search_alert[Animation] = Animation(
+            "search_alert/despawn", callback=lambda _, entity: entity.destroy()
+        )
+
+
+def __spawn_search_alert(world: World, nb_alerts: int):
+    """
+    Spawn une alerte de recherche.
+    """
+    entities = world.query(Directory, DirectoryPosition, without=[BlockedDirectory])
+
+    for entity in random.sample(list(entities), nb_alerts):
+        position = entity[DirectoryPosition]
+        world.new_entity().set(
+            Animation("search_alert/spawn"),
+            Sprite(
+                world[Assets].error_texture,
+                position.screen_position(),
+                origin=Vec2(0.5),
+                order=2,
+            ),
+            SearchedDirectoryAlert(),
+            SearchedDirectoryAlertPosition(position),
+        )
+
 
 def __control_directories(world: World):
     """