diff --git a/scenes/Game.cs b/scenes/Game.cs
index a133fc2..1dfe31c 100644
--- a/scenes/Game.cs
+++ b/scenes/Game.cs
@@ -75,6 +75,10 @@ public class Game : Spatial
         _camera = (Camera)FindNode("Camera");
         _cameraOffset = _camera.GlobalTranslation - _player.GlobalTranslation;
 
+        // populate UI values
+        Slider generatorWorldSizeSlider = worldGeneratorContainer.GetNode<Slider>("HBoxContainer/WorldSizeSlider");
+        generatorWorldSizeSlider.Value = _tileWorld.Size;
+        
         Debug.Assert(_tileWorld != null);
 
         // resources        
diff --git a/scenes/Game.tscn b/scenes/Game.tscn
index d64d36c..6314f18 100644
--- a/scenes/Game.tscn
+++ b/scenes/Game.tscn
@@ -44,6 +44,7 @@ visible = false
 transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.1, 0 )
 
 [node name="TileWorld" parent="." instance=ExtResource( 8 )]
+Size = 32
 
 [node name="DebugContainer" type="PanelContainer" parent="."]
 visible = false
diff --git a/scenes/TileWorld.cs b/scenes/TileWorld.cs
index 46d67db..c605902 100644
--- a/scenes/TileWorld.cs
+++ b/scenes/TileWorld.cs
@@ -21,7 +21,7 @@ public class TileWorld : Spatial
     delegate void WorldGenerated();
 
     // public members
-    public int Size = 11;
+    [Export] public int Size = 64;
     public float HeightScale = 2.0f;
     public Image Heightmap;
     public Image Colormap;