core/game_menu/game_menu.gd

@@ -7,7 +7,7 @@ func _ready() -> void:
 	for tab: GameMenuTab in tabs:
 		tab.on_tab_selected.connect(_on_tab_pressed)
 	
-	tabs[0].select()
+	tabs[0].select_without_animation()
 	pages[0].show()
 
 func _on_tab_pressed(index: int):

core/game_menu/game_menu_tab.gd

@@ -35,6 +35,10 @@ func deselect():
 	is_selected = false
 	_move_down()
 
+func select_without_animation():
+	is_selected = true
+	texture.position.y = -bob_height
+
 func _move_up():
 	if hover_tween: hover_tween.kill()
 	hover_tween = create_tween()