Chest + Door Functionality

GUI/Countdown Timer.gd

@@ -1,7 +1,10 @@
 extends Label
-
+signal timer_end
 
 func _process(delta: float) -> void:
     var time_seconds: int = int($Timer.get_time_left())
     set_text('%02d:%02d' % [time_seconds, int(($Timer.get_time_left() - time_seconds) * 100)])
+    
+    if $Timer.get_time_left() == 0:
+        get_tree().change_scene('res://Levels/Hub World.tscn')
     return