diff --git a/Mods/Core/Languages/en/ui.json b/Mods/Core/Languages/en/ui.json
index dbaca85..e5a4aa7 100644
--- a/Mods/Core/Languages/en/ui.json
+++ b/Mods/Core/Languages/en/ui.json
@@ -108,6 +108,7 @@
   "settings.resolution": "Resolution",
   "settings.volume": "Volume",
   "settings.uiscale": "UI scale",
+  "settings.devmode": "Developer mode",
   "settings.apply": "Apply",
   "settings.back": "Back",
   "pause.title": "Paused",
diff --git a/Mods/Core/Languages/ru/ui.json b/Mods/Core/Languages/ru/ui.json
index ada3961..e5e1bb3 100644
--- a/Mods/Core/Languages/ru/ui.json
+++ b/Mods/Core/Languages/ru/ui.json
@@ -108,6 +108,7 @@
   "settings.resolution": "Разрешение",
   "settings.volume": "Громкость",
   "settings.uiscale": "Масштаб UI",
+  "settings.devmode": "Режим разработчика",
   "settings.apply": "Применить",
   "settings.back": "Назад",
   "pause.title": "Пауза",
diff --git a/src/LittleSim/App/GameSettings.cs b/src/LittleSim/App/GameSettings.cs
index 27a0e88..0326c4d 100644
--- a/src/LittleSim/App/GameSettings.cs
+++ b/src/LittleSim/App/GameSettings.cs
@@ -31,6 +31,9 @@ public sealed class GameSettings
 
     /// <summary>Масштаб интерфейса (1 — обычный); применяется к Myra-десктопу всех сцен.</summary>
     public float UiScale { get; set; } = 1f;
+
+    /// <summary>Режим разработчика: открывает дев-консоль (backtick) и дев-спавнер. По умолчанию включён.</summary>
+    public bool DeveloperMode { get; set; } = true;
 }
 
 /// <summary>Чтение/запись <see cref="GameSettings"/> и применение их к движку.</summary>
diff --git a/src/LittleSim/Scenes/WorldScene.cs b/src/LittleSim/Scenes/WorldScene.cs
index a4ac37c..b548a6d 100644
--- a/src/LittleSim/Scenes/WorldScene.cs
+++ b/src/LittleSim/Scenes/WorldScene.cs
@@ -183,31 +183,41 @@ public sealed class WorldScene : Scene
         desktop.Root = Ui.Screen(hudLabel, _inspect.Panel, speedBar, _pause.Root);
 
         this.UseInspector(renderer);
-        var console = this.UseDevConsole();
-        RegisterCommands(console, content, atlases);
-        console.Register(
-            "light",
-            "light [radius] — place a point light at the cursor (night shadows demo)",
-            (c, args) =>
-            {
-                var radius =
-                    args.Length > 0
-                        ? float.Parse(args[0], System.Globalization.CultureInfo.InvariantCulture)
-                        : 120f;
-                var mouse = Mouse.GetState();
-                var world = renderer.ScreenToWorld(new Vector2(mouse.X, mouse.Y));
-                Store.CreateEntity(
-                    Transform2D.At(world),
-                    new PointLight
-                    {
-                        Radius = radius,
-                        Color = Color.White,
-                        Intensity = 0.9f,
-                    }
-                );
-                c.WriteLine($"light at {world.X:0},{world.Y:0} r{radius:0}");
-            }
-        );
+
+        // Режим разработчика (настройка, по умолчанию вкл): без него дев-консоль и спавнер не поднимаются.
+        var devMode = GameSettingsStore.Load().DeveloperMode;
+        MrGameEng.DevConsole.DevConsole? console = null;
+        if (devMode)
+        {
+            console = this.UseDevConsole();
+            RegisterCommands(console, content, atlases);
+            console.Register(
+                "light",
+                "light [radius] — place a point light at the cursor (night shadows demo)",
+                (c, args) =>
+                {
+                    var radius =
+                        args.Length > 0
+                            ? float.Parse(
+                                args[0],
+                                System.Globalization.CultureInfo.InvariantCulture
+                            )
+                            : 120f;
+                    var mouse = Mouse.GetState();
+                    var world = renderer.ScreenToWorld(new Vector2(mouse.X, mouse.Y));
+                    Store.CreateEntity(
+                        Transform2D.At(world),
+                        new PointLight
+                        {
+                            Radius = radius,
+                            Color = Color.White,
+                            Intensity = 0.9f,
+                        }
+                    );
+                    c.WriteLine($"light at {world.X:0},{world.Y:0} r{radius:0}");
+                }
+            );
+        }
 
         UpdateSystems.Add(new PlantGrowthSystem(_plants, calendar, climate, lighting, CellSize));
         UpdateSystems.Add(new PlantFruitingSystem(_plants, calendar, climate));
diff --git a/src/LittleSim/Sim/SimSystems.cs b/src/LittleSim/Sim/SimSystems.cs
index 30f5f89..3abc96e 100644
--- a/src/LittleSim/Sim/SimSystems.cs
+++ b/src/LittleSim/Sim/SimSystems.cs
@@ -125,13 +125,13 @@ public sealed class GodCameraSystem(
     Entity cameraEntity,
     InputManager input,
     Renderer2D renderer,
-    MrGameEng.DevConsole.DevConsole console,
+    MrGameEng.DevConsole.DevConsole? console,
     Func<bool>? blocked = null
 ) : BaseSystem
 {
     protected override void OnUpdateGroup()
     {
-        if (console.IsOpen || blocked?.Invoke() == true)
+        if (console?.IsOpen == true || blocked?.Invoke() == true)
         {
             return;
         }
diff --git a/src/LittleSim/UI/SettingsPanel.cs b/src/LittleSim/UI/SettingsPanel.cs
index a1b1984..192fde6 100644
--- a/src/LittleSim/UI/SettingsPanel.cs
+++ b/src/LittleSim/UI/SettingsPanel.cs
@@ -98,6 +98,16 @@ internal static class SettingsPanel
         // Громкость — кнопки −/+ с подписью процента.
         column.Widgets.Add(Volume(lang.Get("settings.volume"), settings, refreshers));
 
+        // Режим разработчика — тумблер (дев-консоль и спавнер; по умолчанию включён).
+        column.Widgets.Add(
+            Toggle(
+                lang.Get("settings.devmode"),
+                () => settings.DeveloperMode,
+                v => settings.DeveloperMode = v,
+                refreshers
+            )
+        );
+
         column.Widgets.Add(new Label { Height = 8 });
         var buttons = Ui.Row(10);
         buttons.Widgets.Add(Ui.Button(lang.Get("settings.apply"), onApply, width: 150));