diff --git a/EduNetworkBuilder/ListBoxWindow.cs b/EduNetworkBuilder/ListBoxWindow.cs
index 1549922..b1dfc62 100644
--- a/EduNetworkBuilder/ListBoxWindow.cs
+++ b/EduNetworkBuilder/ListBoxWindow.cs
@@ -21,11 +21,27 @@ namespace EduNetworkBuilder
         public string PuzzleName;
         public bool isdone = false;
         public string level = "";
+        public bool InRegressionMode = false;
+        public bool HasTest = false;
+        public bool PassedTest = false;
+        public bool FailedTest = false;
+    
         public override string ToString()
         {
             string donstr = "";
-            if (isdone) donstr = "* ";
-            return donstr + level + " " + this.Title;
+            if (InRegressionMode)
+            {
+                if (HasTest) donstr = "+ ";
+                else donstr = "- ";
+                if (PassedTest) donstr = "$ ";
+                if (FailedTest) donstr = "$ ";
+                return donstr + level + " " + this.Title;
+            }
+            else
+            {
+                if (isdone) donstr = "* ";
+                return donstr + level + " " + this.Title;
+            }
         }
     }
     public partial class ListBoxWindow : Form
@@ -130,16 +146,13 @@ namespace EduNetworkBuilder
                 foreach (string str in NB.GetPuzzleTags())
                 {
                     newCB = AddCheckBox(count, str);
-                    if (str == SelectedTag || (SelectedTag == "ALL" && Regex.IsMatch(str, "Level")))
-                    {
-                        newCB.Checked = true; //The first level with an unsolved puzzle starts checked
-                    }
-                    else
-                    {
-                        newCB.Checked = false;
-                    }
                     count++;
                 }
+                newCB = AddCheckBox(count++, "Test");
+                newCB = AddCheckBox(count++, "No Test");
+                newCB = AddCheckBox(count++, "Passed");
+                newCB = AddCheckBox(count++, "Failed");
+
                 panelCheckboxes.ResumeLayout();
                 btnOK.Text = NB.Translate("_Load");
                 btnAdd.Text = NB.Translate("_Cancel");