diff --git a/VisualPinball.Engine.PinMAME.Unity/Runtime/PinMameGamelogicEngine.cs b/VisualPinball.Engine.PinMAME.Unity/Runtime/PinMameGamelogicEngine.cs
index 9edee6e..68f39fb 100644
--- a/VisualPinball.Engine.PinMAME.Unity/Runtime/PinMameGamelogicEngine.cs
+++ b/VisualPinball.Engine.PinMAME.Unity/Runtime/PinMameGamelogicEngine.cs
@@ -101,8 +101,12 @@ public GamelogicEngineLamp[] RequestedLamps {
 
 		[NonSerialized] private Player _player;
 		[NonSerialized] private PinMame.PinMame _pinMame;
+		[NonSerialized] private BallManager _ballManager;
+		[NonSerialized] private PlayfieldComponent _playfieldComponent;
+
 		[SerializeReference] private PinMameGame _game;
 
+
 		private Dictionary<string, GamelogicEngineSwitch> _switches = new();
 		private Dictionary<int, string> _pinMameIdToSwitchIdMappings = new();
 		private Dictionary<string, int> _switchIdToPinMameIdMappings = new();
@@ -218,6 +222,8 @@ private void OnDestroy()
 		public void OnInit(Player player, TableApi tableApi, BallManager ballManager)
 		{
 			string vpmPath = null;
+			_ballManager = ballManager;
+			_playfieldComponent = GetComponentInChildren<PlayfieldComponent>();
 
 			#if (UNITY_IOS || UNITY_ANDROID) && !UNITY_EDITOR
 				vpmPath = Path.Combine(Application.persistentDataPath, "pinmame");
@@ -327,6 +333,7 @@ private void UpdateCaches()
 			_pinMameIdToSwitchIdMappings.Clear();
 			_switchIdToPinMameIdMappings.Clear();
 
+			// check aliases first (the switches/coils that aren't an integer)
 			foreach (var alias in _game.AvailableAliases) {
 				switch (alias.AliasType) {
 					case AliasType.Switch:
@@ -346,16 +353,30 @@ private void UpdateCaches()
 				}
 			}
 
-
+			// retrieve the game's switches
 			foreach (var @switch in _game.AvailableSwitches) {
 				_switches[@switch.Id] = @switch;
 
-				if (int.TryParse(@switch.Id, out int pinMameId)) {
+				if (int.TryParse(@switch.Id, out var pinMameId)) {
 					_pinMameIdToSwitchIdMappings[pinMameId] = @switch.Id;
 					_switchIdToPinMameIdMappings[@switch.Id] = pinMameId;
+
+					// add mappings with prefixed 0.
+					if (pinMameId < 10) {
+						_switchIdToPinMameIdMappings["0" + @switch.Id] = pinMameId;
+						_switchIdToPinMameIdMappings["00" + @switch.Id] = pinMameId;
+
+						_switches["0" + @switch.Id] = @switch;
+						_switches["00" + @switch.Id] = @switch;
+					}
+					if (pinMameId < 100) {
+						_switchIdToPinMameIdMappings["0" + @switch.Id] = pinMameId;
+						_switches["0" + @switch.Id] = @switch;
+					}
 				}
 			}
 
+			// retrieve the game's coils
 			foreach (var coil in _game.AvailableCoils) {
 				_coils[coil.Id] = coil;
 
@@ -365,6 +386,7 @@ private void UpdateCaches()
 				}
 			}
 
+			// retrieve the game's lamps
 			foreach (var lamp in _game.AvailableLamps) {
 				_lamps[lamp.Id] = lamp;
 
@@ -712,6 +734,10 @@ public void Switch(string id, bool isClosed)
 				}
 				Logger.Info($"[PinMAME] => sw {id}: {isClosed} | {_switches[id].Description}");
 				_pinMame.SetSwitch(_switchIdToPinMameIdMappings[_switches[id].Id], isClosed);
+			} else if (id == "s_spawn_ball") {
+				if (isClosed) {
+					_ballManager.CreateBall(new DebugBallCreator(630, _playfieldComponent.Height / 2f, _playfieldComponent.TableHeight));
+				}
 			} else {
 				Logger.Error($"[PinMAME] Unknown switch \"{id}\".");
 			}