diff --git a/source/common/engine/serializer.h b/source/common/engine/serializer.h
index fe20f247b..e1f54d36e 100644
--- a/source/common/engine/serializer.h
+++ b/source/common/engine/serializer.h
@@ -218,7 +218,7 @@ FSerializer &Serialize(FSerializer &arc, const char *key, TArray<T, TT> &value,
 {
 	if (arc.isWriting())
 	{
-		if (value.Size() == 0) return arc;	// do not save empty arrays
+		if (value.Size() == 0 && key) return arc;	// do not save empty arrays
 	}
 	bool res = arc.BeginArray(key);
 	if (arc.isReading())
diff --git a/source/games/duke/src/actors.cpp b/source/games/duke/src/actors.cpp
index 5d37a8781..1d9a85134 100644
--- a/source/games/duke/src/actors.cpp
+++ b/source/games/duke/src/actors.cpp
@@ -46,6 +46,8 @@ This file is a combination of code from the following sources:
 
 BEGIN_DUKE_NS
 
+int otherp;
+
 int adjustfall(spritetype* s, int c);
 
 //---------------------------------------------------------------------------
@@ -378,7 +380,6 @@ void movedummyplayers(void)
 //
 //---------------------------------------------------------------------------
 
-int otherp;
 void moveplayers(void) //Players
 {
 	short i, nexti;
diff --git a/source/games/duke/src/actors_d.cpp b/source/games/duke/src/actors_d.cpp
index c4ab7c73d..edd34d663 100644
--- a/source/games/duke/src/actors_d.cpp
+++ b/source/games/duke/src/actors_d.cpp
@@ -38,6 +38,7 @@ This file contains parts of DukeGDX by Alexander Makarov-[M210] (m210-2007@mail.
 #include "global.h"
 #include "zz_actors.h"
 #include "names.h"
+#include "serializer.h"
 
 BEGIN_DUKE_NS
 
@@ -49,6 +50,54 @@ struct FireProj
 
 static TMap<int, FireProj> fire;
 
+static FSerializer& Serialize(FSerializer& arc, const char* key, FireProj& p, FireProj* def)
+{
+	if (arc.BeginObject(key))
+	{
+		arc("x", p.x)
+			("y", p.y)
+			("z", p.z)
+			("xv", p.xv)
+			("yv", p.yv)
+			("zv", p.zv)
+			.EndObject();
+	}
+	return arc;
+}
+
+void SerializeActorGlobals(FSerializer& arc)
+{
+	if (arc.isWriting() && fire.CountUsed() == 0) return;
+	bool res = arc.BeginArray("FireProj");
+	if (arc.isReading())
+	{
+		fire.Clear();
+		if (!res) return;
+		auto length = arc.ArraySize() / 2;
+		int key;
+		FireProj value;
+
+		for (int i = 0; i < length; i++)
+		{
+			Serialize(arc, nullptr, key, nullptr);
+			Serialize(arc, nullptr, value, nullptr);
+			fire.Insert(key, value);
+		}
+	}
+	else
+	{
+		TMap<int, FireProj>::Iterator it(fire);
+		TMap<int, FireProj>::Pair* pair;
+		while (it.NextPair(pair))
+		{
+			int k = pair->Key;
+			Serialize(arc, nullptr, k, nullptr);
+			Serialize(arc, nullptr, pair->Value, nullptr);
+		}
+	}
+	arc.EndArray();
+}
+
 //---------------------------------------------------------------------------
 //
 // 
diff --git a/source/games/duke/src/actors_r.cpp b/source/games/duke/src/actors_r.cpp
index f6515208d..478e4a29e 100644
--- a/source/games/duke/src/actors_r.cpp
+++ b/source/games/duke/src/actors_r.cpp
@@ -45,14 +45,6 @@ void resetpins(short sect);
 void resetlanepics(void);
 
 
-struct FireProj
-{
-	int x, y, z;
-	int xv, yv, zv;
-};
-
-static TMap<int, FireProj> fire;
-
 //---------------------------------------------------------------------------
 //
 // 
diff --git a/source/games/duke/src/zz_screens.cpp b/source/games/duke/src/zz_screens.cpp
index 791db197b..a1e6725b7 100644
--- a/source/games/duke/src/zz_screens.cpp
+++ b/source/games/duke/src/zz_screens.cpp
@@ -1698,34 +1698,8 @@ void G_BonusScreenRRRA(int32_t bonusonly)
 
     if (g_mostConcurrentPlayers > 1 && (g_gametypeFlags[ud.coop]&GAMETYPE_SCORESHEET))
     {
-        videoClearScreen(0);
-        G_DisplayMPResultsScreen();
-
-        PlayBonusMusic();
-
-        videoNextPage();
-        inputState.ClearAllInput();
-        fadepal(0, 0, 0, 252, 0, -4);
-        totalclock = 0;
-
-        while (totalclock < TICRATE*10)
-        {
-            G_HandleAsync();
-
-            if (G_FPSLimit())
-            {
-                videoClearScreen(0);
-                G_DisplayMPResultsScreen();
-                videoNextPage();
-            }
-
-            if (inputState.CheckAllInput())
-            {
-                break;
-            }
-        }
-
-        fadepal(0, 0, 0, 0, 252, 4);
+        if (!isRR()) ShowMPBonusScreen_d(g_mostConcurrentPlayers, [](bool) {});
+        else ShowMPBonusScreen_r(g_mostConcurrentPlayers, [](bool) {});
     }
 
     if (bonusonly || (g_netServer || ud.multimode > 1)) return;