Note that we are in regression mode for all puzzles when in that view.

EduNetworkBuilder/ListBoxWindow.cs

@@ -418,6 +418,7 @@ namespace EduNetworkBuilder
                             MPE.Title = shown_name;
                             MPE.isdone = wasfinished;
                             MPE.level = tag;
+                            MPE.InRegressionMode = true;
                             if (selected == "" && !wasfinished) selected = shown_name; //Select the first unfinished puzzle
                             lbWindowData.Items.Add(MPE);
                             break;