diff --git a/src/details_window.py b/src/details_window.py
index 232bf03..f5f2fa7 100644
--- a/src/details_window.py
+++ b/src/details_window.py
@@ -23,6 +23,7 @@ from time import time
 from gi.repository import Adw, Gio, GLib, Gtk
 from PIL import Image
 
+from . import shared
 from .create_dialog import create_dialog
 from .game import Game
 from .game_cover import GameCover
@@ -57,14 +58,15 @@ class DetailsWindow(Adw.Window):
         self.cover_button_delete_revealer.set_reveal_child(False)
         self.cover_changed = True
 
-    def __init__(self, win, game=None, **kwargs):
+    def __init__(self, game=None, **kwargs):
         super().__init__(**kwargs)
-        self.set_transient_for(win)
 
-        self.win = win
+        self.win = shared.win
         self.game = game
         self.game_cover = GameCover({self.cover})
 
+        self.set_transient_for(self.win)
+
         if self.game:
             self.set_title(_("Edit Game Details"))
             self.name.set_text(self.game.name)
@@ -153,7 +155,6 @@ class DetailsWindow(Adw.Window):
                     numbers.append(int(current_game.replace("imported_", "")))
 
             self.game = Game(
-                self.win,
                 {
                     "game_id": f"imported_{str(max(numbers) + 1)}",
                     "hidden": False,
@@ -191,7 +192,6 @@ class DetailsWindow(Adw.Window):
 
         if self.cover_changed:
             save_cover(
-                self.win,
                 self.game.game_id,
                 self.game_cover.path,
             )
@@ -199,7 +199,7 @@ class DetailsWindow(Adw.Window):
         self.game.save()
 
         if not self.game_cover.get_pixbuf():
-            SGDBSave(self.win, {self.game})
+            SGDBSave({self.game})
 
         self.game_cover.pictures.remove(self.cover)
 
@@ -224,7 +224,7 @@ class DetailsWindow(Adw.Window):
         self.cover_changed = True
 
         def resize():
-            self.game_cover.new_cover(resize_cover(self.win, path))
+            self.game_cover.new_cover(resize_cover(path))
             self.toggle_loading()
 
         self.toggle_loading()
diff --git a/src/game.py b/src/game.py
index 7be109c..fb73f77 100644
--- a/src/game.py
+++ b/src/game.py
@@ -59,11 +59,11 @@ class Game(Gtk.Box):
     blacklisted = None
     game_cover = None
 
-    def __init__(self, win, data, **kwargs):
+    def __init__(self, data, **kwargs):
         super().__init__(**kwargs)
 
-        self.win = win
-        self.app = win.get_application()
+        self.win = shared.win
+        self.app = self.win.get_application()
 
         self.update_values(data)
 
@@ -127,7 +127,7 @@ class Game(Gtk.Box):
             setattr(self, key, value)
 
     def save(self):
-        self.win.games_dir.mkdir(parents=True, exist_ok=True)
+        shared.games_dir.mkdir(parents=True, exist_ok=True)
 
         attrs = (
             "added",
@@ -151,7 +151,7 @@ class Game(Gtk.Box):
 
         json.dump(
             {attr: getattr(self, attr) for attr in attrs if attr},
-            (self.win.games_dir / f"{self.game_id}.json").open("w"),
+            (shared.games_dir / f"{self.game_id}.json").open("w"),
             indent=4,
             sort_keys=True,
         )
@@ -239,11 +239,11 @@ class Game(Gtk.Box):
         self.spinner.set_spinning(loading)
 
     def get_cover_path(self):
-        cover_path = self.win.covers_dir / f"{self.game_id}.gif"
+        cover_path = shared.covers_dir / f"{self.game_id}.gif"
         if cover_path.is_file():
             return cover_path
 
-        cover_path = self.win.covers_dir / f"{self.game_id}.tiff"
+        cover_path = shared.covers_dir / f"{self.game_id}.tiff"
         if cover_path.is_file():
             return cover_path
 
diff --git a/src/importers/bottles_importer.py b/src/importers/bottles_importer.py
index ffcaa53..463e192 100644
--- a/src/importers/bottles_importer.py
+++ b/src/importers/bottles_importer.py
@@ -26,7 +26,7 @@ from . import shared
 from .check_install import check_install
 
 
-def bottles_installed(win, path=None):
+def bottles_installed(path=None):
     location_key = "bottles-location"
     bottles_dir = (
         path if path else Path(shared.schema.get_string(location_key)).expanduser()
@@ -39,7 +39,7 @@ def bottles_installed(win, path=None):
             if path
             else (
                 Path.home() / ".var/app/com.usebottles.bottles/data/bottles",
-                win.data_dir / "bottles",
+                shared.data_dir / "bottles",
             )
         )
 
@@ -48,8 +48,8 @@ def bottles_installed(win, path=None):
     return bottles_dir
 
 
-def bottles_importer(win):
-    bottles_dir = bottles_installed(win)
+def bottles_importer():
+    bottles_dir = bottles_installed()
     if not bottles_dir:
         return
 
@@ -59,7 +59,7 @@ def bottles_importer(win):
 
     library = yaml.load(data, Loader=yaml.Loader)
 
-    importer = win.importer
+    importer = shared.importer
     importer.total_queue += len(library)
     importer.queue += len(library)
 
@@ -69,7 +69,10 @@ def bottles_importer(win):
 
         values["game_id"] = f'bottles_{game["id"]}'
 
-        if values["game_id"] in win.games and not win.games[values["game_id"]].removed:
+        if (
+            values["game_id"] in shared.win.games
+            and not shared.win.games[values["game_id"]].removed
+        ):
             importer.save_game()
             continue
 
diff --git a/src/importers/heroic_importer.py b/src/importers/heroic_importer.py
index 165cfd5..848f73a 100644
--- a/src/importers/heroic_importer.py
+++ b/src/importers/heroic_importer.py
@@ -27,7 +27,7 @@ from . import shared
 from .check_install import check_install
 
 
-def heroic_installed(win, path=None):
+def heroic_installed(path=None):
     location_key = "heroic-location"
     heroic_dir = (
         path if path else Path(shared.schema.get_string(location_key)).expanduser()
@@ -40,7 +40,7 @@ def heroic_installed(win, path=None):
             if path
             else (
                 Path.home() / ".var/app/com.heroicgameslauncher.hgl/config/heroic",
-                win.config_dir / "heroic",
+                shared.config_dir / "heroic",
             )
         )
 
@@ -52,13 +52,13 @@ def heroic_installed(win, path=None):
     return heroic_dir
 
 
-def heroic_importer(win):
-    heroic_dir = heroic_installed(win)
+def heroic_importer():
+    heroic_dir = heroic_installed()
     if not heroic_dir:
         return
 
     current_time = int(time())
-    importer = win.importer
+    importer = shared.importer
 
     # Import Epic games
     if not shared.schema.get_boolean("heroic-import-epic"):
@@ -82,8 +82,8 @@ def heroic_importer(win):
                 values["game_id"] = f"heroic_epic_{app_name}"
 
                 if (
-                    values["game_id"] in win.games
-                    and not win.games[values["game_id"]].removed
+                    values["game_id"] in shared.win.games
+                    and not shared.win.games[values["game_id"]].removed
                 ):
                     importer.save_game()
                     continue
@@ -131,8 +131,8 @@ def heroic_importer(win):
             values["game_id"] = f"heroic_gog_{app_name}"
 
             if (
-                values["game_id"] in win.games
-                and not win.games[values["game_id"]].removed
+                values["game_id"] in shared.win.games
+                and not shared.win.games[values["game_id"]].removed
             ):
                 importer.save_game()
                 continue
@@ -179,8 +179,8 @@ def heroic_importer(win):
             values["game_id"] = f"heroic_sideload_{app_name}"
 
             if (
-                values["game_id"] in win.games
-                and not win.games[values["game_id"]].removed
+                values["game_id"] in shared.win.games
+                and not shared.win.games[values["game_id"]].removed
             ):
                 importer.save_game()
                 continue
diff --git a/src/importers/itch_importer.py b/src/importers/itch_importer.py
index 53f5544..26b1573 100644
--- a/src/importers/itch_importer.py
+++ b/src/importers/itch_importer.py
@@ -31,12 +31,15 @@ from .check_install import check_install
 from .save_cover import resize_cover
 
 
-def get_game(task, current_time, win, row):
+def get_game(task, current_time, row):
     values = {}
 
     values["game_id"] = f"itch_{row[0]}"
 
-    if values["game_id"] in win.games and not win.games[values["game_id"]].removed:
+    if (
+        values["game_id"] in shared.win.games
+        and not shared.win.games[values["game_id"]].removed
+    ):
         task.return_value((None, None))
         return
 
@@ -63,22 +66,22 @@ def get_game(task, current_time, win, row):
 
         game_cover = GdkPixbuf.Pixbuf.new_from_stream_at_scale(
             tmp_file.read(), 2, 2, False
-        ).scale_simple(*win.image_size, GdkPixbuf.InterpType.BILINEAR)
+        ).scale_simple(*shared.image_size, GdkPixbuf.InterpType.BILINEAR)
 
         itch_pixbuf = GdkPixbuf.Pixbuf.new_from_stream(tmp_file.read())
         itch_pixbuf = itch_pixbuf.scale_simple(
-            win.image_size[0],
-            itch_pixbuf.get_height() * (win.image_size[0] / itch_pixbuf.get_width()),
+            shared.image_size[0],
+            itch_pixbuf.get_height() * (shared.image_size[0] / itch_pixbuf.get_width()),
             GdkPixbuf.InterpType.BILINEAR,
         )
         itch_pixbuf.composite(
             game_cover,
             0,
-            (win.image_size[1] - itch_pixbuf.get_height()) / 2,
+            (shared.image_size[1] - itch_pixbuf.get_height()) / 2,
             itch_pixbuf.get_width(),
             itch_pixbuf.get_height(),
             0,
-            (win.image_size[1] - itch_pixbuf.get_height()) / 2,
+            (shared.image_size[1] - itch_pixbuf.get_height()) / 2,
             1.0,
             1.0,
             GdkPixbuf.InterpType.BILINEAR,
@@ -91,16 +94,15 @@ def get_game(task, current_time, win, row):
     task.return_value((values, game_cover))
 
 
-def get_games_async(win, rows, importer):
+def get_games_async(rows, importer):
     current_time = int(time())
 
     # Wrap the function in another one as Gio.Task.run_in_thread does not allow for passing args
-    def create_func(current_time, win, row):
+    def create_func(current_time, row):
         def wrapper(task, *_args):
             get_game(
                 task,
                 current_time,
-                win,
                 row,
             )
 
@@ -111,15 +113,15 @@ def get_games_async(win, rows, importer):
         # No need for an if statement as final_value would be None for games we don't want to save
         importer.save_game(
             final_values[0],
-            resize_cover(win, pixbuf=final_values[1]),
+            resize_cover(pixbuf=final_values[1]),
         )
 
     for row in rows:
         task = Gio.Task.new(None, None, update_games)
-        task.run_in_thread(create_func(current_time, win, row))
+        task.run_in_thread(create_func(current_time, row))
 
 
-def itch_installed(win, path=None):
+def itch_installed(path=None):
     location_key = "itch-location"
     itch_dir = (
         path if path else Path(shared.schema.get_string(location_key)).expanduser()
@@ -132,7 +134,7 @@ def itch_installed(win, path=None):
             if path
             else (
                 Path.home() / ".var/app/io.itch.itch/config/itch",
-                win.config_dir / "itch",
+                shared.config_dir / "itch",
             )
         )
 
@@ -144,14 +146,14 @@ def itch_installed(win, path=None):
     return itch_dir
 
 
-def itch_importer(win):
-    itch_dir = itch_installed(win)
+def itch_importer():
+    itch_dir = itch_installed()
     if not itch_dir:
         return
 
     database_path = (itch_dir / "db").expanduser()
 
-    db_cache_dir = win.cache_dir / "cartridges" / "itch"
+    db_cache_dir = shared.cache_dir / "cartridges" / "itch"
     db_cache_dir.mkdir(parents=True, exist_ok=True)
 
     # Copy the file because sqlite3 doesn't like databases in /run/user/
@@ -183,8 +185,8 @@ def itch_importer(win):
     # No need to unlink temp files as they disappear when the connection is closed
     database_tmp_path.unlink(missing_ok=True)
 
-    importer = win.importer
+    importer = shared.importer
     importer.total_queue += len(rows)
     importer.queue += len(rows)
 
-    get_games_async(win, rows, importer)
+    get_games_async(rows, importer)
diff --git a/src/importers/lutris_importer.py b/src/importers/lutris_importer.py
index 5ad4610..ee2552b 100644
--- a/src/importers/lutris_importer.py
+++ b/src/importers/lutris_importer.py
@@ -26,7 +26,7 @@ from . import shared
 from .check_install import check_install
 
 
-def lutris_installed(win, path=None):
+def lutris_installed(path=None):
     location_key = "lutris-location"
     lutris_dir = (
         path if path else Path(shared.schema.get_string(location_key)).expanduser()
@@ -39,7 +39,7 @@ def lutris_installed(win, path=None):
             if path
             else (
                 Path.home() / ".var/app/net.lutris.Lutris/data/lutris",
-                win.data_dir / "lutris",
+                shared.data_dir / "lutris",
             )
         )
 
@@ -48,7 +48,7 @@ def lutris_installed(win, path=None):
     return lutris_dir
 
 
-def lutris_cache_exists(win, path=None):
+def lutris_cache_exists(path=None):
     cache_key = "lutris-cache-location"
     cache_dir = path if path else Path(shared.schema.get_string(cache_key)).expanduser()
     cache_check = "coverart"
@@ -59,7 +59,7 @@ def lutris_cache_exists(win, path=None):
             if path
             else (
                 Path.home() / ".var" / "app" / "net.lutris.Lutris" / "cache" / "lutris",
-                win.cache_dir / "lutris",
+                shared.cache_dir / "lutris",
             )
         )
 
@@ -70,16 +70,16 @@ def lutris_cache_exists(win, path=None):
     return cache_dir
 
 
-def lutris_importer(win):
-    lutris_dir = lutris_installed(win)
+def lutris_importer():
+    lutris_dir = lutris_installed()
     if not lutris_dir:
         return
 
-    cache_dir = lutris_cache_exists(win)
+    cache_dir = lutris_cache_exists()
     if not cache_dir:
         return
 
-    db_cache_dir = win.cache_dir / "cartridges" / "lutris"
+    db_cache_dir = shared.cache_dir / "cartridges" / "lutris"
     db_cache_dir.mkdir(parents=True, exist_ok=True)
 
     # Copy the file because sqlite3 doesn't like databases in /run/user/
@@ -113,7 +113,7 @@ def lutris_importer(win):
 
     current_time = int(time())
 
-    importer = win.importer
+    importer = shared.importer
     importer.total_queue += len(rows)
     importer.queue += len(rows)
 
@@ -122,7 +122,10 @@ def lutris_importer(win):
 
         values["game_id"] = f"lutris_{row[3]}_{row[0]}"
 
-        if values["game_id"] in win.games and not win.games[values["game_id"]].removed:
+        if (
+            values["game_id"] in shared.win.games
+            and not shared.win.games[values["game_id"]].removed
+        ):
             importer.save_game()
             continue
 
diff --git a/src/importers/steam_importer.py b/src/importers/steam_importer.py
index 0aa6f25..a287576 100644
--- a/src/importers/steam_importer.py
+++ b/src/importers/steam_importer.py
@@ -43,7 +43,7 @@ def update_values_from_data(content, values):
     return values
 
 
-def get_game(task, datatypes, current_time, win, appmanifest, steam_dir):
+def get_game(task, datatypes, current_time, appmanifest, steam_dir):
     values = {}
 
     data = appmanifest.read_text("utf-8")
@@ -57,7 +57,10 @@ def get_game(task, datatypes, current_time, win, appmanifest, steam_dir):
 
     values["game_id"] = f'steam_{values["appid"]}'
 
-    if values["game_id"] in win.games and not win.games[values["game_id"]].removed:
+    if (
+        values["game_id"] in shared.win.games
+        and not shared.win.games[values["game_id"]].removed
+    ):
         task.return_value((None, None))
         return
 
@@ -93,18 +96,17 @@ def get_game(task, datatypes, current_time, win, appmanifest, steam_dir):
     task.return_value((values, image_path if image_path.exists() else None))
 
 
-def get_games_async(win, appmanifests, steam_dir, importer):
+def get_games_async(appmanifests, steam_dir, importer):
     datatypes = ["appid", "name"]
     current_time = int(time())
 
     # Wrap the function in another one as Gio.Task.run_in_thread does not allow for passing args
-    def create_func(datatypes, current_time, win, appmanifest, steam_dir):
+    def create_func(datatypes, current_time, appmanifest, steam_dir):
         def wrapper(task, *_args):
             get_game(
                 task,
                 datatypes,
                 current_time,
-                win,
                 appmanifest,
                 steam_dir,
             )
@@ -118,12 +120,10 @@ def get_games_async(win, appmanifests, steam_dir, importer):
 
     for appmanifest in appmanifests:
         task = Gio.Task.new(None, None, update_games)
-        task.run_in_thread(
-            create_func(datatypes, current_time, win, appmanifest, steam_dir)
-        )
+        task.run_in_thread(create_func(datatypes, current_time, appmanifest, steam_dir))
 
 
-def steam_installed(win, path=None):
+def steam_installed(path=None):
     location_key = "steam-location"
     steam_dir = Path(shared.schema.get_string(location_key)).expanduser()
     check = "steamapps"
@@ -136,7 +136,7 @@ def steam_installed(win, path=None):
             else (
                 steam_dir,
                 Path.home() / ".steam",
-                win.data_dir / "Steam",
+                shared.data_dir / "Steam",
                 Path.home() / ".var/app/com.valvesoftware.Steam/data/Steam",
             )
         )
@@ -151,8 +151,8 @@ def steam_installed(win, path=None):
     return steam_dir
 
 
-def steam_importer(win):
-    steam_dir = steam_installed(win)
+def steam_importer():
+    steam_dir = steam_installed()
     if not steam_dir:
         return
 
@@ -175,8 +175,8 @@ def steam_importer(win):
             if open_file.is_file() and "appmanifest" in open_file.name:
                 appmanifests.append(open_file)
 
-    importer = win.importer
+    importer = shared.importer
     importer.total_queue += len(appmanifests)
     importer.queue += len(appmanifests)
 
-    get_games_async(win, appmanifests, steam_dir, importer)
+    get_games_async(appmanifests, steam_dir, importer)
diff --git a/src/main.py b/src/main.py
index f621d3d..cb8d45a 100644
--- a/src/main.py
+++ b/src/main.py
@@ -130,7 +130,7 @@ class CartridgesApplication(Adw.Application):
     def on_preferences_action(
         self, _action=None, _parameter=None, page_name=None, expander_row=None
     ):
-        win = PreferencesWindow(self.win)
+        win = PreferencesWindow()
         if page_name:
             win.set_visible_page_name(page_name)
         if expander_row:
@@ -144,36 +144,36 @@ class CartridgesApplication(Adw.Application):
         self.win.active_game.toggle_hidden()
 
     def on_edit_game_action(self, *_args):
-        DetailsWindow(self.win, self.win.active_game)
+        DetailsWindow(self.win.active_game)
 
     def on_add_game_action(self, *_args):
-        DetailsWindow(self.win)
+        DetailsWindow()
 
     def on_import_action(self, *_args):
-        self.win.importer = Importer(self.win)
+        shared.importer = Importer()
 
-        self.win.importer.blocker = True
+        shared.importer.blocker = True
 
-        if self.win.schema.get_boolean("steam"):
-            steam_importer(self.win)
+        if shared.schema.get_boolean("steam"):
+            steam_importer()
 
-        if self.win.schema.get_boolean("lutris"):
-            lutris_importer(self.win)
+        if shared.schema.get_boolean("lutris"):
+            lutris_importer()
 
-        if self.win.schema.get_boolean("heroic"):
-            heroic_importer(self.win)
+        if shared.schema.get_boolean("heroic"):
+            heroic_importer()
 
-        if self.win.schema.get_boolean("bottles"):
-            bottles_importer(self.win)
+        if shared.schema.get_boolean("bottles"):
+            bottles_importer()
 
-        if self.win.schema.get_boolean("itch"):
-            itch_importer(self.win)
+        if shared.schema.get_boolean("itch"):
+            itch_importer()
 
-        self.win.importer.blocker = False
+        shared.importer.blocker = False
 
-        if self.win.importer.import_dialog.is_visible and self.win.importer.queue == 0:
-            self.win.importer.queue = 1
-            self.win.importer.save_game()
+        if shared.importer.import_dialog.is_visible and shared.importer.queue == 0:
+            shared.importer.queue = 1
+            shared.importer.save_game()
 
     def on_remove_game_action(self, *_args):
         self.win.active_game.remove_game()
diff --git a/src/preferences.py b/src/preferences.py
index 0ba5bea..35aaf85 100644
--- a/src/preferences.py
+++ b/src/preferences.py
@@ -88,11 +88,11 @@ class PreferencesWindow(Adw.PreferencesWindow):
     # Widgets and their properties to check whether to import after closing the window
     import_changed_widgets = {}
 
-    def __init__(self, win, **kwargs):
+    def __init__(self, **kwargs):
         super().__init__(**kwargs)
-        self.win = win
+        self.win = shared.win
         self.file_chooser = Gtk.FileDialog()
-        self.set_transient_for(win)
+        self.set_transient_for(self.win)
 
         self.toast = Adw.Toast.new(_("All games removed"))
         self.toast.set_button_label(_("Undo"))
@@ -276,7 +276,7 @@ class PreferencesWindow(Adw.PreferencesWindow):
                 if response == "choose_folder":
                     win.choose_folder(widget, set_dir)
 
-            if globals()[f"{source_id}_installed"](win, path):
+            if globals()[f"{source_id}_installed"](path):
                 self.import_changed = True
                 self.set_subtitle(win, source_id)
 
diff --git a/src/shared.py b/src/shared.py
index 68beedd..a40bef6 100644
--- a/src/shared.py
+++ b/src/shared.py
@@ -1,4 +1,54 @@
-from gi.repository import Gio
+# shared.py
+#
+# Copyright 2022-2023 kramo
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+import os
+from pathlib import Path
+
+from gi.repository import Gdk, Gio
 
 schema = Gio.Settings.new("hu.kramo.Cartridges")
 state_schema = Gio.Settings.new("hu.kramo.Cartridges.State")
+
+data_dir = (
+    Path(os.getenv("XDG_DATA_HOME"))
+    if "XDG_DATA_HOME" in os.environ
+    else Path.home() / ".local" / "share"
+)
+config_dir = (
+    Path(os.getenv("XDG_CONFIG_HOME"))
+    if "XDG_CONFIG_HOME" in os.environ
+    else Path.home() / ".config"
+)
+cache_dir = (
+    Path(os.getenv("XDG_CACHE_HOME"))
+    if "XDG_CACHE_HOME" in os.environ
+    else Path.home() / ".cache"
+)
+
+games_dir = data_dir / "cartridges" / "games"
+covers_dir = data_dir / "cartridges" / "covers"
+
+scale_factor = max(
+    monitor.get_scale_factor() for monitor in Gdk.Display.get_default().get_monitors()
+)
+image_size = (200 * scale_factor, 300 * scale_factor)
+
+# pylint: disable=invalid-name
+win = None
+importer = None
diff --git a/src/utils/importer.py b/src/utils/importer.py
index c97870e..79ac849 100644
--- a/src/utils/importer.py
+++ b/src/utils/importer.py
@@ -19,6 +19,7 @@
 
 from gi.repository import Adw, GLib, Gtk
 
+from . import shared
 from .create_dialog import create_dialog
 from .game import Game
 from .save_cover import resize_cover, save_cover
@@ -26,8 +27,8 @@ from .steamgriddb import SGDBSave
 
 
 class Importer:
-    def __init__(self, win):
-        self.win = win
+    def __init__(self):
+        self.win = shared.win
         self.total_queue = 0
         self.queue = 0
         self.games_no = 0
@@ -46,7 +47,7 @@ class Importer:
             modal=True,
             default_width=350,
             default_height=-1,
-            transient_for=win,
+            transient_for=self.win,
             deletable=False,
         )
 
@@ -54,10 +55,10 @@ class Importer:
 
     def save_game(self, values=None, cover_path=None):
         if values:
-            game = Game(self.win, values)
+            game = Game(values)
 
             if save_cover:
-                save_cover(self.win, game.game_id, resize_cover(self.win, cover_path))
+                save_cover(game.game_id, resize_cover(cover_path))
 
             self.games.add(game)
 
@@ -74,7 +75,7 @@ class Importer:
                 self.queue = len(self.games)
                 self.import_statuspage.set_title(_("Importing Covers…"))
                 self.update_progressbar()
-                SGDBSave(self.win, self.games, self)
+                SGDBSave(self.games, self)
             else:
                 self.done()
 
diff --git a/src/utils/save_cover.py b/src/utils/save_cover.py
index 2c3798d..620466b 100644
--- a/src/utils/save_cover.py
+++ b/src/utils/save_cover.py
@@ -27,7 +27,7 @@ from PIL import Image, ImageSequence
 from . import shared
 
 
-def resize_cover(win, cover_path=None, pixbuf=None):
+def resize_cover(cover_path=None, pixbuf=None):
     if not cover_path and not pixbuf:
         return None
 
@@ -55,7 +55,7 @@ def resize_cover(win, cover_path=None, pixbuf=None):
                 image = image.convert("RGBA")
 
             tmp_path = Path(Gio.File.new_tmp("XXXXXX.tiff")[0].get_path())
-            image.resize(win.image_size).save(
+            image.resize(shared.image_size).save(
                 tmp_path,
                 compression="tiff_adobe_deflate"
                 if shared.schema.get_boolean("high-quality-images")
@@ -65,11 +65,11 @@ def resize_cover(win, cover_path=None, pixbuf=None):
     return tmp_path
 
 
-def save_cover(win, game_id, cover_path):
-    win.covers_dir.mkdir(parents=True, exist_ok=True)
+def save_cover(game_id, cover_path):
+    shared.covers_dir.mkdir(parents=True, exist_ok=True)
 
-    animated_path = win.covers_dir / f"{game_id}.gif"
-    static_path = win.covers_dir / f"{game_id}.tiff"
+    animated_path = shared.covers_dir / f"{game_id}.gif"
+    static_path = shared.covers_dir / f"{game_id}.tiff"
 
     # Remove previous covers
     animated_path.unlink(missing_ok=True)
@@ -83,7 +83,7 @@ def save_cover(win, game_id, cover_path):
         animated_path if cover_path.suffix == ".gif" else static_path,
     )
 
-    if game_id in win.game_covers:
-        win.game_covers[game_id].new_cover(
+    if game_id in shared.win.game_covers:
+        shared.win.game_covers[game_id].new_cover(
             animated_path if cover_path.suffix == ".gif" else static_path
         )
diff --git a/src/utils/steamgriddb.py b/src/utils/steamgriddb.py
index 82fb236..095e913 100644
--- a/src/utils/steamgriddb.py
+++ b/src/utils/steamgriddb.py
@@ -9,8 +9,8 @@ from .save_cover import save_cover, resize_cover
 
 
 class SGDBSave:
-    def __init__(self, win, games, importer=None):
-        self.win = win
+    def __init__(self, games, importer=None):
+        self.win = shared.win
         self.importer = importer
         self.exception = None
 
@@ -36,8 +36,8 @@ class SGDBSave:
                 and (
                     (shared.schema.get_boolean("sgdb-prefer"))
                     or not (
-                        (self.win.covers_dir / f"{game.game_id}.gif").is_file()
-                        or (self.win.covers_dir / f"{game.game_id}.tiff").is_file()
+                        (shared.covers_dir / f"{game.game_id}.gif").is_file()
+                        or (shared.covers_dir / f"{game.game_id}.tiff").is_file()
                     )
                 )
             )
@@ -94,9 +94,8 @@ class SGDBSave:
         Path(tmp_file.get_path()).write_bytes(response.content)
 
         save_cover(
-            self.win,
             game.game_id,
-            resize_cover(self.win, tmp_file.get_path()),
+            resize_cover(tmp_file.get_path()),
         )
 
         task.return_value(game)
diff --git a/src/window.py b/src/window.py
index 44b155f..6e11226 100644
--- a/src/window.py
+++ b/src/window.py
@@ -18,12 +18,11 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import json
-import os
 from datetime import datetime
-from pathlib import Path
 
-from gi.repository import Adw, Gdk, Gio, GLib, Gtk
+from gi.repository import Adw, Gio, GLib, Gtk
 
+from . import shared
 from .game import Game
 
 
@@ -77,35 +76,10 @@ class CartridgesWindow(Adw.ApplicationWindow):
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
 
+        shared.win = self
+
         self.previous_page = self.library_view
 
-        self.data_dir = (
-            Path(os.getenv("XDG_DATA_HOME"))
-            if "XDG_DATA_HOME" in os.environ
-            else Path.home() / ".local" / "share"
-        )
-        self.config_dir = (
-            Path(os.getenv("XDG_CONFIG_HOME"))
-            if "XDG_CONFIG_HOME" in os.environ
-            else Path.home() / ".config"
-        )
-        self.cache_dir = (
-            Path(os.getenv("XDG_CACHE_HOME"))
-            if "XDG_CACHE_HOME" in os.environ
-            else Path.home() / ".cache"
-        )
-
-        self.games_dir = self.data_dir / "cartridges" / "games"
-        self.covers_dir = self.data_dir / "cartridges" / "covers"
-
-        self.schema = Gio.Settings.new("hu.kramo.Cartridges")
-
-        scale_factor = max(
-            monitor.get_scale_factor()
-            for monitor in Gdk.Display.get_default().get_monitors()
-        )
-        self.image_size = (200 * scale_factor, 300 * scale_factor)
-
         self.details_view.set_measure_overlay(self.details_view_box, True)
         self.details_view.set_clip_overlay(self.details_view_box, False)
 
@@ -119,22 +93,22 @@ class CartridgesWindow(Adw.ApplicationWindow):
 
         games = {}
 
-        if self.games_dir.exists():
-            for open_file in self.games_dir.iterdir():
+        if shared.games_dir.exists():
+            for open_file in shared.games_dir.iterdir():
                 data = json.load(open_file.open())
                 games[data["game_id"]] = data
 
         for game_id, game in games.items():
             if game.get("removed"):
                 for path in (
-                    self.games_dir / f"{game_id}.json",
-                    self.covers_dir / f"{game_id}.tiff",
-                    self.covers_dir / f"{game_id}.gif",
+                    shared.games_dir / f"{game_id}.json",
+                    shared.covers_dir / f"{game_id}.tiff",
+                    shared.covers_dir / f"{game_id}.gif",
                 ):
                     path.unlink(missing_ok=True)
 
             else:
-                Game(self, game).update()
+                Game(game).update()
 
         # Connect search entries
         self.search_bar.connect_entry(self.search_entry)