diff --git a/assets/bootstrap.js b/assets/bootstrap.js
index fa8abed..6212690 100644
--- a/assets/bootstrap.js
+++ b/assets/bootstrap.js
@@ -3,12 +3,14 @@ import DropdownController from './controllers/dropdown_controller.js';
 import ImportModalController from './controllers/import_modal_controller.js';
 import ImportStatusController from './controllers/import_status_controller.js';
 import ImportHelpController from './controllers/import_help_controller.js';
+import GameConfigController from './controllers/game_config_controller.js';
 
 const app = startStimulusApp();
 app.register('dropdown', DropdownController);
 app.register('import-modal', ImportModalController);
 app.register('import-status', ImportStatusController);
 app.register('import-help', ImportHelpController);
+app.register('game-config', GameConfigController);
 
 // Register React components for {{ react_component() }} Twig function.
 // We register them manually because @symfony/ux-react's registerReactControllerComponents