GameEngine.h:

* Only updating frame_ctr, anim_ctr variables and sim_time_s when neither of title, instructions quit-confirm, input-hiscore, show-hiscore or pause screens are shown. I think is the most useful way to do it and probably expected to behave like that.

GameEngine.h

@@ -498,12 +498,15 @@ class GameEngine
 
   ///
 
-    frame_ctr++;
-    for (auto& ad : anim_ctr_data)
-      if (frame_ctr % ad.anim_count_per_frame_count == 0)
-        ad.anim_ctr++;
-
-    sim_time_s += sim_dt_s;
+    if (!show_title && !show_instructions && !show_quit_confirm && !show_input_hiscore && !show_hiscores && !paused)
+    {
+      frame_ctr++;
+      for (auto& ad : anim_ctr_data)
+        if (frame_ctr % ad.anim_count_per_frame_count == 0)
+          ad.anim_ctr++;
+
+      sim_time_s += sim_dt_s;
+    }
 
     return true;
   }