diff --git a/src/importer/importer.py b/src/importer/importer.py
index 50f2bd5..cc26ca3 100644
--- a/src/importer/importer.py
+++ b/src/importer/importer.py
@@ -118,23 +118,13 @@ class Importer:
             if game is None:
                 continue
 
-            # TODO register in store instead of dict
-
-            # Avoid duplicates
-            if (
-                game.game_id in shared.win.games
-                and not shared.win.games[game.game_id].removed
-            ):
-                continue
-
             # Register game
-            logging.info("New game registered %s (%s)", game.name, game.game_id)
-            shared.win.games[game.game_id] = game
-            game.save()
+            logging.info("Imported %s (%s)", game.name, game.game_id)
+            shared.store.add_game(game)
             self.n_games_added += 1
 
             # Start sgdb lookup for game
-            # HACK move to its own manager
+            # TODO move to its own manager
             task = Task.new(
                 None, self.sgdb_cancellable, self.sgdb_task_callback, (game,)
             )
diff --git a/src/main.py b/src/main.py
index 647fb14..0cbb3a7 100644
--- a/src/main.py
+++ b/src/main.py
@@ -30,6 +30,7 @@ gi.require_version("Adw", "1")
 from gi.repository import Adw, Gio, GLib, Gtk
 
 import src.shared as shared
+from src.store.store import Store
 from src.details_window import DetailsWindow
 from src.importer.importer import Importer
 from src.importer.sources.lutris_source import (
@@ -47,6 +48,7 @@ from src.window import CartridgesWindow
 
 class CartridgesApplication(Adw.Application):
     win = None
+    store = None
 
     def __init__(self):
         super().__init__(
@@ -54,6 +56,11 @@ class CartridgesApplication(Adw.Application):
         )
 
     def do_activate(self):  # pylint: disable=arguments-differ
+        # Create the games store
+        if not self.store:
+            # TODO add managers to the store
+            self.store = Store()
+
         # Create the main window
         self.win = self.props.active_window  # pylint: disable=no-member
         if not self.win:
diff --git a/src/shared.py b/src/shared.py
index 9cf54d5..0417d64 100644
--- a/src/shared.py
+++ b/src/shared.py
@@ -52,4 +52,5 @@ image_size = (200 * scale_factor, 300 * scale_factor)
 # pylint: disable=invalid-name
 win = None
 importer = None
+store = None
 spec_version = 1.5  # The version of the game_id.json spec
diff --git a/src/store/display_manager.py b/src/store/display_manager.py
new file mode 100644
index 0000000..88537e7
--- /dev/null
+++ b/src/store/display_manager.py
@@ -0,0 +1,12 @@
+import src.shared as shared
+from src.store.manager import Manager
+from src.game import Game
+
+
+class DisplayManager(Manager):
+    """Manager in charge of adding a game to the UI"""
+
+    def run(self, game: Game) -> None:
+        # TODO decouple a game from its widget
+        shared.win.games[game.game_id] = game
+        game.update()
diff --git a/src/store/file_manager.py b/src/store/file_manager.py
new file mode 100644
index 0000000..75c8e58
--- /dev/null
+++ b/src/store/file_manager.py
@@ -0,0 +1,10 @@
+from src.store.manager import Manager
+from src.game import Game
+
+
+class FileManager(Manager):
+    """Manager in charge of saving a game to a file"""
+
+    def run(self, game: Game) -> None:
+        # TODO make game.save (disk) not trigger game.update (UI)
+        game.save()
diff --git a/src/store/sgdb_manager.py b/src/store/sgdb_manager.py
new file mode 100644
index 0000000..22f5699
--- /dev/null
+++ b/src/store/sgdb_manager.py
@@ -0,0 +1,11 @@
+from src.store.manager import Manager
+from src.game import Game
+from src.utils.steamgriddb import SGDBHelper
+
+
+class SGDBManager(Manager):
+    """Manager in charge of downloading a game's cover from steamgriddb"""
+
+    def run(self, game: Game) -> None:
+        # TODO
+        pass
diff --git a/src/store/steam_api_manager.py b/src/store/steam_api_manager.py
new file mode 100644
index 0000000..30f3c42
--- /dev/null
+++ b/src/store/steam_api_manager.py
@@ -0,0 +1,11 @@
+from src.store.manager import Manager
+from src.game import Game
+from src.utils.steam import SteamHelper
+
+
+class SteamAPIManager(Manager):
+    """Manager in charge of completing a game's data from the Steam API"""
+
+    def run(self, game: Game) -> None:
+        # TODO
+        pass
diff --git a/src/store/store.py b/src/store/store.py
index 288b175..1c80032 100644
--- a/src/store/store.py
+++ b/src/store/store.py
@@ -1,3 +1,4 @@
+import src.shared as shared
 from src.game import Game
 from src.store.manager import Manager
 from src.utils.task import Task
@@ -32,6 +33,7 @@ class Store:
     games: dict[str, Game]
 
     def __init__(self) -> None:
+        shared.store = self
         self.managers = set()
         self.games = {}
         self.pipelines = {}