diff --git a/EduNetworkBuilder/ListBoxWindow.cs b/EduNetworkBuilder/ListBoxWindow.cs
index 2ccf741..003604d 100644
--- a/EduNetworkBuilder/ListBoxWindow.cs
+++ b/EduNetworkBuilder/ListBoxWindow.cs
@@ -495,6 +495,21 @@ namespace EduNetworkBuilder
                         NB.LoadNetworkFromResource(TheName);
                 }
             }
+            else if (MyMode == LBContents.regressiontest)
+            {
+                if (lbWindowData.SelectedItem is MyPuzzleEntry)
+                {
+                    MyPuzzleEntry MPE = (MyPuzzleEntry)lbWindowData.SelectedItem;
+                    string TheName = MPE.PuzzleName;
+                    Visible = false;
+                    BuilderWindow myWin = (BuilderWindow)Application.OpenForms["BuilderWindow"];
+                    if (myWin != null)
+                    {
+                        myWin.Activate();
+                        myWin.replayNetwork(TheName, 1);
+                    }
+                }
+            }
             Close();
         }
 
diff --git a/EduNetworkBuilder/NetworkBuilder.cs b/EduNetworkBuilder/NetworkBuilder.cs
index e992c8e..d1e8c56 100644
--- a/EduNetworkBuilder/NetworkBuilder.cs
+++ b/EduNetworkBuilder/NetworkBuilder.cs
@@ -2830,7 +2830,7 @@ namespace EduNetworkBuilder
         #endregion Random Map Stuff
 
 #region network replay stuff
-        private void replayNetwork(string NetworkName, int delay_between)
+        public void replayNetwork(string NetworkName, int delay_between)
         {
             //Prepare for replay
             //  reset to original map