--- a/qmlfrontend/hwengine.h	Mon Nov 26 14:31:36 2018 +0100
+++ b/qmlfrontend/hwengine.h	Mon Nov 26 14:48:38 2018 +0100
@@ -9,6 +9,7 @@
 
 class QQmlEngine;
 class PreviewImageProvider;
+class EngineInstance;
 
 class HWEngine : public QObject {
   Q_OBJECT
@@ -23,7 +24,7 @@
   static void exposeToQML();
 
   Q_INVOKABLE void getPreview();
-  Q_INVOKABLE void runQuickGame();
+  Q_INVOKABLE EngineInstance* runQuickGame();
 
   int previewHedgehogsCount() const;