diff --git a/src/scene.h b/src/scene.h
index 882fe03..0cc9fbf 100644
--- a/src/scene.h
+++ b/src/scene.h
@@ -76,6 +76,12 @@
     void reset_options();
     const std::map<std::string, Option> &options() { return mOptions; }
 
+    static Scene &dummy()
+    {
+        static Scene dummy_scene(Screen::dummy(), "");
+        return dummy_scene;
+    }
+
 protected:
     Scene(Screen &pScreen, const std::string &name);
     std::string construct_title(const std::string &title);
diff --git a/src/screen.h b/src/screen.h
index b267b2e..f8e0a8b 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -32,6 +32,8 @@
 class Screen
 {
 public:
+    ~Screen() {}
+
     int mWidth;
     int mHeight;
     int mBpp;
@@ -39,9 +41,18 @@
     Matrix4f mProjection;
     int mInitSuccess;
 
-    virtual void clear() = 0;
-    virtual void update() = 0;
-    virtual void print_info() = 0;
+    virtual void clear() {}
+    virtual void update() {}
+    virtual void print_info() {}
+
+    static Screen &dummy()
+    {
+        static Screen dummy_screen;
+        return dummy_screen;
+    }
+
+protected:
+    Screen() {}
 };
 
 #endif