P13 Game Over Score and Highscore

Video 13 in series https://www.youtube.com/playlist?list=PL9FzW-m48fn09w6j8NowI_pSBVcsb3V78

Was getting errors after restarting after death and couldn't figure it out.  I realized thanks to this post:
godotengine/godot#71032
that I was not removing the event!  Removed it at the scene unloading and it worked!

Galaxy Defiance/World.cs

@@ -22,6 +22,11 @@ public override void _Ready()
         };
     }
 
+    public override void _ExitTree()
+    {
+        gameStats.ScoreChanged -= UpdateScoreLabel;
+    }
+
     private void UpdateScoreLabel(int newScore)
     {
         scoreLabel.Text = "Score: " + newScore;

Galaxy Defiance/components/GameStats.cs

@@ -20,4 +20,6 @@ public int Score
             EmitSignal(SignalName.ScoreChanged, score);
         }
     }
+
+    public int HighScore { get; set; }
 }

Galaxy Defiance/menus/GameOver.cs

@@ -2,10 +2,30 @@
 
 public partial class GameOver : Control
 {
+    [Export] private GameStats gameStats;
+
+    private Label scoreValue;
+    private Label highScoreValue;
+
+    public override void _Ready()
+    {
+        scoreValue = GetNode<Label>("%ScoreValue");
+        highScoreValue = GetNode<Label>("%HighScoreValue");
+
+        if (gameStats.Score > gameStats.HighScore)
+        {
+            gameStats.HighScore = gameStats.Score;
+        }
+
+        scoreValue.Text = gameStats.Score.ToString();
+        highScoreValue.Text = gameStats.HighScore.ToString();
+    }
+
     public override void _Process(double delta)
     {
         if (Input.IsActionJustPressed("ui_accept"))
         {
+            gameStats.Score = 0;
             GetTree().ChangeSceneToFile("res://menus/menu.tscn");
         }
     }

Galaxy Defiance/menus/game_over.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=5 format=3 uid="uid://e5rphks4e2or"]
+[gd_scene load_steps=6 format=3 uid="uid://e5rphks4e2or"]
 
 [ext_resource type="Script" path="res://menus/GameOver.cs" id="1_uk1xw"]
 [ext_resource type="PackedScene" uid="uid://2y3orfbvdywa" path="res://effects/space_background.tscn" id="2_pj3hb"]
+[ext_resource type="Resource" uid="uid://b5dcuimd51boy" path="res://GameStats.tres" id="2_twq68"]
 [ext_resource type="LabelSettings" uid="uid://bgxd55k13rvp7" path="res://fonts/title_label_settings.tres" id="3_yj8t1"]
 [ext_resource type="LabelSettings" uid="uid://qtag76bu4ccg" path="res://fonts/default_label_settings.tres" id="4_to565"]
 
@@ -13,6 +14,7 @@ anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("1_uk1xw")
+gameStats = ExtResource("2_twq68")
 
 [node name="SpaceBackground" parent="." instance=ExtResource("2_pj3hb")]
 
@@ -33,6 +35,40 @@ text = "Game Over"
 label_settings = ExtResource("3_yj8t1")
 horizontal_alignment = 1
 
+[node name="ScoreHBoxContainer" type="HBoxContainer" parent="CenterContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="ScoreLabel" type="Label" parent="CenterContainer/VBoxContainer/ScoreHBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "Score:"
+label_settings = ExtResource("4_to565")
+
+[node name="ScoreValue" type="Label" parent="CenterContainer/VBoxContainer/ScoreHBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "0"
+label_settings = ExtResource("4_to565")
+
+[node name="HighScoreHBoxContainer" type="HBoxContainer" parent="CenterContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="HighScoreLabel" type="Label" parent="CenterContainer/VBoxContainer/HighScoreHBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "Highscore:"
+label_settings = ExtResource("4_to565")
+
+[node name="HighScoreValue" type="Label" parent="CenterContainer/VBoxContainer/HighScoreHBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "0"
+label_settings = ExtResource("4_to565")
+
+[node name="Spacer" type="Control" parent="CenterContainer/VBoxContainer"]
+custom_minimum_size = Vector2(0, 16)
+layout_mode = 2
+
 [node name="MenuLabel" type="Label" parent="CenterContainer/VBoxContainer"]
 layout_mode = 2
 text = "Press 'space' to Return