diff --git a/source/core/g_mapinfo.cpp b/source/core/g_mapinfo.cpp
index 4100540f7..dda3500d5 100644
--- a/source/core/g_mapinfo.cpp
+++ b/source/core/g_mapinfo.cpp
@@ -234,7 +234,7 @@ void FMapInfoParser::ParseCutscene(CutsceneDef& cdef)
 	{
 		sc.MustGetString();
 		if (sc.Compare("video")) { ParseAssign(); sc.MustGetString(); cdef.video = sc.String; cdef.function = ""; }
-		else if (sc.Compare("function")) { ParseAssign(); sc.MustGetString(); cdef.function = sc.String; cdef.video = ""; }
+		else if (sc.Compare("function")) { ParseAssign(); sc.SetCMode(false); sc.MustGetString(); sc.SetCMode(true); cdef.function = sc.String; cdef.video = ""; }
 		else if (sc.Compare("sound")) { ParseAssign(); sc.MustGetString(); cdef.soundName = sc.String; }
 		else if (sc.Compare("soundid")) { ParseAssign(); sc.MustGetNumber(); cdef.soundID = sc.Number; }
 		else if (sc.Compare("fps")) { ParseAssign();  sc.MustGetNumber();  cdef.framespersec = sc.Number; }
@@ -269,17 +269,14 @@ void FMapInfoParser::ParseCluster()
 		}
 		else if (sc.Compare("intro"))
 		{
-			ParseAssign();
 			ParseCutscene(clusterinfo->intro);
 		}
 		else if (sc.Compare("outro"))
 		{
-			ParseAssign();
 			ParseCutscene(clusterinfo->outro);
 		}
 		else if (sc.Compare("gameover"))
 		{
-			ParseAssign();
 			ParseCutscene(clusterinfo->gameover);
 		}
 		else if (sc.Compare("interbackground"))
@@ -321,15 +318,14 @@ bool FMapInfoParser::CheckLegacyMapDefinition(FString& mapname)
 			int indx = sc.Number;
 			auto map = FindMapByIndexOnly(vol, indx);
 			if (!map) I_Error("Map {%d, %d} does not exist", vol, indx);
-			mapname = map->fileName;	// we need the actual file name for further processing.
+			mapname = map->labelName;
 		}
 		else
 		{
 			// SW only uses the level number
 			auto map = FindMapByLevelNum(vol);
 			if (!map) I_Error("Map {%d} does not exist", vol);
-			mapname = map->fileName;	// we need the actual file name for further processing.
-
+			mapname = map->labelName;
 		}
 		sc.MustGetStringName("}");
 		return true;
@@ -444,13 +440,11 @@ DEFINE_MAP_OPTION(cdtrack, true)
 
 DEFINE_MAP_OPTION(intro, true)
 {
-	parse.ParseAssign();
 	parse.ParseCutscene(info->intro);
 }
 
 DEFINE_MAP_OPTION(outro, true)
 {
-	parse.ParseAssign();
 	parse.ParseCutscene(info->outro);
 }
 
@@ -769,7 +763,7 @@ MapRecord *FMapInfoParser::ParseMapHeader(MapRecord &defaultinfo)
 	}
 	else
 	{
-		if (map->name.IsEmpty()) I_Error("Missing level name");
+		if (map->name.IsEmpty()) sc.ScriptError("Missing level name");
 		sc.UnGet();
 	}
 	map->levelNumber = GetDefaultLevelNum(map->labelName);
@@ -992,6 +986,10 @@ void FMapInfoParser::ParseMapInfo (int lump, MapRecord &gamedefaults, MapRecord
 			mapList.Clear();
 			clusters.Clear();
 		}
+		else if (sc.Compare("cutscenes"))
+		{
+			//ParseCutsceneInfo();
+		}
 		else if (sc.Compare("gameinfo"))
 		{
 			// todo: global game propeties.
diff --git a/source/core/gamecontrol.cpp b/source/core/gamecontrol.cpp
index f1e362e82..362df73ad 100644
--- a/source/core/gamecontrol.cpp
+++ b/source/core/gamecontrol.cpp
@@ -74,6 +74,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "v_draw.h"
 #include "gi.h"
 #include "vm.h"
+#include "g_mapinfo.h"
 
 CVAR(Bool, autoloadlights, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 CVAR(Bool, autoloadbrightmaps, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
@@ -961,6 +962,7 @@ int RunGame()
 	StartScreen->Progress();
 	gi->app_init();
 	StartScreen->Progress();
+	G_ParseMapInfo();
 	CreateStatusBar();
 	SetDefaultMenuColors();
 	M_Init();
diff --git a/wadsrc/static/filter/duke/engine/engine.def b/wadsrc/static/filter/duke/engine/engine.def
index e9455553c..d85394543 100644
--- a/wadsrc/static/filter/duke/engine/engine.def
+++ b/wadsrc/static/filter/duke/engine/engine.def
@@ -5,54 +5,6 @@ definecutscene intro
 	function DukeCutscenes.BuildIntro
 }
 
-definecutscene episode 1
-{
-	outro
-	{
-		function DukeCutscenes.BuildE1End
-	}
-}
-
-definecutscene episode 2
-{
-	outro
-	{
-		function DukeCutscenes.BuildE2End
-	}
-}
-
-definecutscene episode 3
-{
-	outro
-	{
-		function DukeCutscenes.BuildE3End
-	}
-}
-
-definecutscene episode 4
-{
-	outro
-	{
-		function DukeCutscenes.BuildE4End
-	}
-}
-
-definecutscene episode 5
-{
-	outro
-	{
-		function DukeCutscenes.BuildE5End
-	}
-}
-
-definecutscene map e4l1
-{
-	intro
-	{
-		function DukeCutscenes.BuildE4Intro
-	}
-}
-
 definecutscene sharewareend 
 {
 	function DukeCutscenes.BuildSharewareEnd
diff --git a/wadsrc/static/filter/duke/engine/rmapinfo.txt b/wadsrc/static/filter/duke/engine/rmapinfo.txt
new file mode 100644
index 000000000..0ed96c42d
--- /dev/null
+++ b/wadsrc/static/filter/duke/engine/rmapinfo.txt
@@ -0,0 +1,51 @@
+//This sets up the missing things that cannot be inferred from the setup in the .CON files.
+
+cluster 1
+{
+	outro
+	{
+		function = DukeCutscenes.BuildE1End
+	}
+}
+
+cluster 2
+{
+	outro
+	{
+		function = DukeCutscenes.BuildE2End
+	}
+	interbackground = "BONUSSCREEN2"
+}
+
+cluster 3
+{
+	outro
+	{
+		function = DukeCutscenes.BuildE3End
+	}
+}
+
+cluster 4
+{
+	outro
+	{
+		function = DukeCutscenes.BuildE4End
+	}
+}
+
+cluster 5
+{
+	outro
+	{
+		function = DukeCutscenes.BuildE5End
+	}
+}
+
+map { 4, 1 }
+{
+	intro
+	{
+		function = DukeCutscenes.BuildE4Intro
+	}
+}
+
diff --git a/wadsrc/static/zscript/games/duke/ui/screens.zs b/wadsrc/static/zscript/games/duke/ui/screens.zs
index d36fe4b34..6228a19b8 100644
--- a/wadsrc/static/zscript/games/duke/ui/screens.zs
+++ b/wadsrc/static/zscript/games/duke/ui/screens.zs
@@ -579,8 +579,13 @@ class DukeLevelSummaryScreen : SummaryScreenBase
 	{
 		Super.Init(fadein | fadeout);
 		SetParameters(m, s);
-		int vol = level.cluster;
-		String basetex = vol == 2? "BONUSSCREEN2" : "BONUSSCREEN";
+		String basetex = level.InterBackground;
+		if (basetex.length() == 0)
+		{
+			let cluster = level.GetCluster();
+			if (cluster != null) basetex = cluster.InterBackground;
+		}
+		if (basetex.length() == 0) basetex = "BONUSSCREEN";
 		texBg = TexMan.CheckForTexture(basetex);
 		for(int i = 0; i < 4; i++)
 		{