diff --git a/source/games/duke/src/d_menu.cpp b/source/games/duke/src/d_menu.cpp
index 473c03938..7df808484 100644
--- a/source/games/duke/src/d_menu.cpp
+++ b/source/games/duke/src/d_menu.cpp
@@ -275,7 +275,6 @@ void GameInterface::MenuClosed()
 			cameradist = 65536;
 		}
 
-		updateviewport();
 		S_PauseSounds(false);
 	}
 }
diff --git a/source/games/duke/src/game.h b/source/games/duke/src/game.h
index ef5470e16..22464e2f7 100644
--- a/source/games/duke/src/game.h
+++ b/source/games/duke/src/game.h
@@ -36,80 +36,6 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 BEGIN_DUKE_NS
 
-#ifndef ONLY_USERDEFS
-
-// Compile game-side legacy Room over Room code?
-#define LEGACY_ROR 1
-
-enum GametypeFlags_t {
-    GAMETYPE_COOP                   = 0x00000001,
-    GAMETYPE_WEAPSTAY               = 0x00000002,
-    GAMETYPE_FRAGBAR                = 0x00000004,
-    GAMETYPE_SCORESHEET             = 0x00000008,
-    GAMETYPE_DMSWITCHES             = 0x00000010,
-    GAMETYPE_COOPSPAWN              = 0x00000020,
-    GAMETYPE_ACCESSCARDSPRITES      = 0x00000040,
-    GAMETYPE_COOPVIEW               = 0x00000080,
-    GAMETYPE_COOPSOUND              = 0x00000100,
-    GAMETYPE_OTHERPLAYERSINMAP      = 0x00000200,
-    GAMETYPE_ITEMRESPAWN            = 0x00000400,
-    GAMETYPE_MARKEROPTION           = 0x00000800,
-    GAMETYPE_PLAYERSFRIENDLY        = 0x00001000,
-    GAMETYPE_FIXEDRESPAWN           = 0x00002000,
-    GAMETYPE_ACCESSATSTART          = 0x00004000,
-    GAMETYPE_PRESERVEINVENTORYDEATH = 0x00008000,
-    GAMETYPE_TDM                    = 0x00010000,
-    GAMETYPE_TDMSPAWN               = 0x00020000
-};
-
-// logo control
-enum LogoFlags_t {
-    LOGO_ENABLED           = 0x00000001,
-    LOGO_PLAYANIM          = 0x00000002,
-    LOGO_PLAYMUSIC         = 0x00000004,
-    LOGO_3DRSCREEN         = 0x00000008,
-    LOGO_TITLESCREEN       = 0x00000010,
-    LOGO_DUKENUKEM         = 0x00000020,
-    LOGO_THREEDEE          = 0x00000040,
-    LOGO_PLUTOPAKSPRITE    = 0x00000080,
-    LOGO_SHAREWARESCREENS  = 0x00000100,
-    LOGO_TENSCREEN         = 0x00000200,
-    LOGO_STOPANIMSOUNDS    = 0x00000400,
-    LOGO_NOE4CUTSCENE      = 0x00000800,
-    LOGO_NOE1BONUSSCENE    = 0x00001000,
-    LOGO_NOE2BONUSSCENE    = 0x00002000,
-    LOGO_NOE3BONUSSCENE    = 0x00004000,
-    LOGO_NOE4BONUSSCENE    = 0x00008000,
-    LOGO_NOE1ENDSCREEN     = 0x00010000,
-    LOGO_NOE2ENDSCREEN     = 0x00020000,
-    LOGO_NOE3RADLOGO       = 0x00040000,
-    LOGO_NODUKETEAMTEXT    = 0x00080000,
-    LOGO_NODUKETEAMPIC     = 0x00100000,
-    LOGO_STOPMISCSOUNDS    = 0x00200000,
-    LOGO_NOGAMETITLE       = 0x00400000,
-    LOGO_NOTITLEBAR        = 0x00800000,
-    LOGO_HIDEEPISODE       = 0x01000000,
-    LOGO_NOHELP            = 0x02000000,
-    LOGO_NOCREDITS         = 0x04000000,
-};
-
-enum {
-    STATUSBAR_NONONE    = 0x00000001,
-    STATUSBAR_NOMINI    = 0x00000002,
-    STATUSBAR_NOFULL    = 0x00000004,
-    STATUSBAR_NOSHRINK  = 0x00000008,
-    STATUSBAR_NOFRAGBAR = 0x00000010,
-    STATUSBAR_NOOVERLAY = 0x00000020,
-    STATUSBAR_NOMODERN  = 0x00000040,
-};
-
-
-# define CAMERA(Membname) (ud.camera ## Membname)
-# define CAMERADIST cameradist
-# define CAMERACLOCK cameraclock
-
-#endif
-
 #define MAXSAVEGAMENAMESTRUCT 32
 #define MAXSAVEGAMENAME (MAXSAVEGAMENAMESTRUCT-1)
 #define MAXPWLOCKOUT 128
@@ -129,7 +55,7 @@ typedef struct {
     int32_t statusbarmode;
 	int32_t noexits,automsg;
     int32_t althud;
-    int32_t statusbarflags, statusbarrange;
+    int32_t statusbarrange;
 
     int32_t entered_name,screen_tilting;
     int32_t coop,screen_size,lockout,crosshair;
diff --git a/source/games/duke/src/game_misc.cpp b/source/games/duke/src/game_misc.cpp
index 12a4a69e2..479a6bdbb 100644
--- a/source/games/duke/src/game_misc.cpp
+++ b/source/games/duke/src/game_misc.cpp
@@ -291,46 +291,6 @@ void drawbackground(void)
 			DrawTexture(twod, tex, 0, 0, DTA_VirtualWidth, twod->GetWidth(), DTA_VirtualHeight, twod->GetHeight(), DTA_KeepRatio, true, DTA_Color, color, TAG_DONE);
 		return;
 	}
-
-	auto tex = tileGetTexture(TILE_SCREENBORDER);
-	if (tex != nullptr && tex->isValid())
-	{
-		if (windowxy1.y > 0)
-		{
-			twod->AddFlatFill(0, 0, twod->GetWidth(), windowxy1.y, tex, false, 1);
-		}
-		if (windowxy2.y + 1 < twod->GetHeight())
-		{
-			twod->AddFlatFill(0, windowxy2.y + 1, twod->GetWidth(), twod->GetHeight(), tex, false, 1);
-		}
-		if (windowxy1.x > 0)
-		{
-			twod->AddFlatFill(0, windowxy1.y, windowxy1.x, windowxy2.y + 1, tex, false, 1);
-		}
-		if (windowxy2.x + 1 < twod->GetWidth())
-		{
-			twod->AddFlatFill(windowxy2.x + 1, windowxy1.y, twod->GetWidth(), windowxy2.y + 1, tex, false, 1);
-		}
-		auto vb = tileGetTexture(TILE_VIEWBORDER);
-		auto ve = tileGetTexture(TILE_VIEWBORDER + 1);
-		int x1 = windowxy1.x - 4;
-		int y1 = windowxy1.y - 4;
-		int x2 = windowxy2.x + 5;
-		int y2 = windowxy2.y + 5;
-		twod->AddFlatFill(x1, y1, x2, y1 + 4, vb, 5);
-		twod->AddFlatFill(x1, y2 - 4, x2, y2, vb, 6);
-		twod->AddFlatFill(x1, y1, x1 + 4, y2, vb, 1);
-		twod->AddFlatFill(x2 - 4, y1, x2, y2, vb, 3);
-		twod->AddFlatFill(x1, y1, x1 + 4, y1 + 4, ve, 1);
-		twod->AddFlatFill(x2 - 4, y1, x2, y1 + 4, ve, 3);
-		twod->AddFlatFill(x1, y2 - 4, x1 + 4, y2, ve, 2);
-		twod->AddFlatFill(x2 - 4, y2 - 4, x2, y2, ve, 4);
-	}
-	else
-	{
-		// If we got no frame just clear the screen.
-		twod->ClearScreen();
-	}
 }
 
 //---------------------------------------------------------------------------
@@ -665,57 +625,6 @@ void cameratext(int i)
 	}
 }
 
-//---------------------------------------------------------------------------
-//
-// calculate size of 3D viewport.
-// Fixme: this needs to be adjusted to the new status bar code, 
-// once the status bar is a persistent queriable object
-// (it should also be moved out of the game code then.
-//
-//---------------------------------------------------------------------------
-
-void updateviewport(void)
-{
-	ud.screen_size = clamp(ud.screen_size, 0, 64);
-	int ss = std::max(ud.screen_size - 8, 0);
-
-	int x1 = scale(ss, xdim, 160);
-	int x2 = xdim - x1;
-
-	int y1 = scale(ss, (200 * 100) - ((tilesiz[TILE_BOTTOMSTATUSBAR].y >> (RR ? 1 : 0)) * ud.statusbarscale), 200 - tilesiz[TILE_BOTTOMSTATUSBAR].y);
-	int y2 = 200 * 100 - y1;
-
-	if (isRR() && ud.screen_size <= 12)
-	{
-		x1 = 0;
-		x2 = xdim;
-		y1 = 0;
-		if (ud.statusbarmode)
-			y2 = 200 * 100;
-	}
-
-	int fbh = 0;
-	if (ud.screen_size > 0 && ud.coop != 1 && ud.multimode > 1)
-	{
-		int j = 0;
-		for (int i = connecthead; i >= 0; i = connectpoint2[i])
-			if (i > j) j = i;
-
-		if (j >= 1) fbh += 8;
-		if (j >= 4) fbh += 8;
-		if (j >= 8) fbh += 8;
-		if (j >= 12) fbh += 8;
-	}
-
-	y1 += fbh * 100;
-	if (ud.screen_size >= 8 && ud.statusbarmode == 0)
-		y2 -= (tilesiz[TILE_BOTTOMSTATUSBAR].y >> (isRR() ? 1 : 0)) * ud.statusbarscale;
-	y1 = scale(y1, ydim, 200 * 100);
-	y2 = scale(y2, ydim, 200 * 100);
-
-	videoSetViewableArea(x1, y1, x2 - 1, y2 - 1);
-}
-
 
 
 END_DUKE_NS
diff --git a/source/games/duke/src/macros.h b/source/games/duke/src/macros.h
index bd4e116c7..bcf1ef86f 100644
--- a/source/games/duke/src/macros.h
+++ b/source/games/duke/src/macros.h
@@ -44,8 +44,6 @@ static FORCE_INLINE int32_t krand2(void)
         TILE_SCRAP6+(r4&15),-8,RR?16:48,RR?16:48,r3&2047,(r2&63)+64,-512-(r1&2047),i,5); \
 }
 
-#define GTFLAGS(x) (g_gametypeFlags[ud.coop] & x)
-
 #define TRAVERSE_SPRITE_SECT(l, o, n)    (o) = (l); ((o) != -1) && ((n) = nextspritesect[o]); (o) = (n)
 #define TRAVERSE_SPRITE_STAT(l, o, n)    (o) = (l); ((o) != -1) && ((n) = nextspritestat[o]); (o) = (n)
 #define TRAVERSE_CONNECT(i)              i = 0; i != -1; i = connectpoint2[i]
diff --git a/source/games/duke/src/premap.h b/source/games/duke/src/premap.h
index ac35d7c2f..75204bf62 100644
--- a/source/games/duke/src/premap.h
+++ b/source/games/duke/src/premap.h
@@ -33,7 +33,6 @@ int G_FindLevelByFile(const char *fileName);
 void G_CacheMapData(void);
 void G_NewGame(int volumeNum, int levelNum, int skillNum);
 void G_ResetTimers(uint8_t keepgtics);
-void updateviewport(void);
 void pickrandomspot(int playerNum);
 void resetinventory(int playerNum);
 void P_ResetPlayer(int playerNum);
diff --git a/source/games/duke/src/premap_d.cpp b/source/games/duke/src/premap_d.cpp
index bba0c586b..1473fe911 100644
--- a/source/games/duke/src/premap_d.cpp
+++ b/source/games/duke/src/premap_d.cpp
@@ -177,15 +177,12 @@ static void cachegoodsprites(void)
 {
     int i;
 	
-    if (ud.screen_size >= 8)
+    tloadtile(BOTTOMSTATUSBAR);
+    if (ud.multimode > 1)
     {
-        tloadtile(BOTTOMSTATUSBAR);
-        if (ud.multimode > 1)
-        {
-            tloadtile(FRAGBAR);
-            for (i = MINIFONT; i < MINIFONT + 63; i++)
-                tloadtile(i);
-        }
+        tloadtile(FRAGBAR);
+        for (i = MINIFONT; i < MINIFONT + 63; i++)
+            tloadtile(i);
     }
 
     tloadtile(VIEWSCREEN);
@@ -547,11 +544,8 @@ void enterlevel(char g)
     clearsoundlocks();
     FX_SetReverb(0);
 
-    i = ud.screen_size;
-    ud.screen_size = 0;
     dofrontscreens();
     vscrn();
-    ud.screen_size = i;
 
 #ifndef VOLUMEONE
 
@@ -684,8 +678,8 @@ void enterlevel(char g)
      palto(0,0,0,0);
      vscrn();
      clearview(0L);
-     drawbackground();
      displayrooms(myconnectindex,65536);
+     displayrest(screenpeek);
 
      clearbufbyte(playerquitflag,MAXPLAYERS,0x01010101);
      ps[myconnectindex].over_shoulder_on = 0;
diff --git a/source/games/duke/src/premap_r.cpp b/source/games/duke/src/premap_r.cpp
index 021b06728..e2099f985 100644
--- a/source/games/duke/src/premap_r.cpp
+++ b/source/games/duke/src/premap_r.cpp
@@ -327,13 +327,10 @@ static void cachegoodsprites(void)
 {
     short i;
 
-    if (ud.screen_size >= 8)
+    tloadtile(BOTTOMSTATUSBAR);
+    if (ud.multimode > 1)
     {
-        tloadtile(BOTTOMSTATUSBAR);
-        if (ud.multimode > 1)
-        {
-            tloadtile(FRAGBAR);
-        }
+        tloadtile(FRAGBAR);
     }
 
     //tloadtile(VIEWSCREEN);
@@ -840,12 +837,9 @@ void enterlevel(char g)
     if ((g & MODE_DEMO) == 0 && ud.recstat == 2)
         ud.recstat = 0;
 
-    i = ud.screen_size;
-    ud.screen_size = 0;
     dofrontscreens();
     vscrn();
-    ud.screen_size = i;
-
+    
     if (lastlevel)
     {
         if (loadboard("endgame.map", &ps[0].posx, &ps[0].posy, &ps[0].posz, &ps[0].ang, &ps[0].cursectnum) == -1)
@@ -991,7 +985,6 @@ void loadlevel(const char *filename)
      palto(0,0,0,0);
      vscrn();
      clearview(0L);
-     drawbackground();
      displayrooms(screenpeek,65536);
      displayrest(screenpeek);
      nextpage();
diff --git a/source/games/duke/src/render.cpp b/source/games/duke/src/render.cpp
index ebaa150c4..f2a7c1658 100644
--- a/source/games/duke/src/render.cpp
+++ b/source/games/duke/src/render.cpp
@@ -33,6 +33,8 @@ Modifications for JonoF's port by Jonathon Fowler (jf@jonof.id.au)
 
 BEGIN_DUKE_NS
 
+void DrawBorder();
+
 //---------------------------------------------------------------------------
 //
 // Floor Over Floor
@@ -469,8 +471,7 @@ void displayrooms(int snum, int smoothratio)
 	int tiltcs = 0; // JBF 20030807
 
 	p = &ps[snum];
-
-	if (ud.screen_size >= 8) drawbackground();
+	DrawBorder();
 
 	if (ud.overhead_on == 2 || p->cursectnum == -1)
 		return;
diff --git a/source/games/duke/src/sbar.cpp b/source/games/duke/src/sbar.cpp
index e8a44333e..70cefac0a 100644
--- a/source/games/duke/src/sbar.cpp
+++ b/source/games/duke/src/sbar.cpp
@@ -170,6 +170,7 @@ PalEntry DDukeCommonStatusBar::LightForShade(int shade)
 	return PalEntry(255, ll, ll, ll);
 }
 
+
 //==========================================================================
 //
 // Statistics output
@@ -220,4 +221,141 @@ void DDukeCommonStatusBar::PrintLevelStats(int bottomy)
 	}
 }
 
+//==========================================================================
+//
+// 3D viewport size management
+//
+//==========================================================================
+
+void DrawBorder()
+{
+	auto tex = tileGetTexture(TILE_SCREENBORDER);
+	if (tex != nullptr && tex->isValid())
+	{
+		if (windowxy1.y > 0)
+		{
+			twod->AddFlatFill(0, 0, twod->GetWidth(), windowxy1.y, tex, false, 1);
+		}
+		if (windowxy2.y + 1 < twod->GetHeight())
+		{
+			twod->AddFlatFill(0, windowxy2.y + 1, twod->GetWidth(), twod->GetHeight(), tex, false, 1);
+		}
+		if (windowxy1.x > 0)
+		{
+			twod->AddFlatFill(0, windowxy1.y, windowxy1.x, windowxy2.y + 1, tex, false, 1);
+		}
+		if (windowxy2.x + 1 < twod->GetWidth())
+		{
+			twod->AddFlatFill(windowxy2.x + 1, windowxy1.y, twod->GetWidth(), windowxy2.y + 1, tex, false, 1);
+		}
+		auto vb = tileGetTexture(TILE_VIEWBORDER);
+		auto ve = tileGetTexture(TILE_VIEWBORDER + 1);
+		int x1 = windowxy1.x - 4;
+		int y1 = windowxy1.y - 4;
+		int x2 = windowxy2.x + 5;
+		int y2 = windowxy2.y + 5;
+		twod->AddFlatFill(x1, y1, x2, y1 + 4, vb, 5);
+		twod->AddFlatFill(x1, y2 - 4, x2, y2, vb, 6);
+		twod->AddFlatFill(x1, y1, x1 + 4, y2, vb, 1);
+		twod->AddFlatFill(x2 - 4, y1, x2, y2, vb, 3);
+		twod->AddFlatFill(x1, y1, x1 + 4, y1 + 4, ve, 1);
+		twod->AddFlatFill(x2 - 4, y1, x2, y1 + 4, ve, 3);
+		twod->AddFlatFill(x1, y2 - 4, x1 + 4, y2, ve, 2);
+		twod->AddFlatFill(x2 - 4, y2 - 4, x2, y2, ve, 4);
+	}
+	else
+	{
+		// If we got no frame just clear the screen.
+		twod->ClearScreen();
+	}
+}
+
+//---------------------------------------------------------------------------
+//
+// calculate size of 3D viewport.
+// Fixme: this needs to be adjusted to the new status bar code, 
+// once the status bar is a persistent queriable object
+// (it should also be moved out of the game code then.
+//
+//---------------------------------------------------------------------------
+
+void updateviewport(void)
+{
+	ud.screen_size = clamp(ud.screen_size, 0, 64);
+	int ss = std::max(ud.screen_size - 8, 0);
+
+	int x1 = scale(ss, xdim, 160);
+	int x2 = xdim - x1;
+
+	int y1 = scale(ss, (200 * 100) - ((tilesiz[TILE_BOTTOMSTATUSBAR].y >> (RR ? 1 : 0)) * ud.statusbarscale), 200 - tilesiz[TILE_BOTTOMSTATUSBAR].y);
+	int y2 = 200 * 100 - y1;
+
+	if (isRR() && ud.screen_size <= 12)
+	{
+		x1 = 0;
+		x2 = xdim;
+		y1 = 0;
+		if (ud.statusbarmode)
+			y2 = 200 * 100;
+	}
+
+	int fbh = 0;
+	if (ud.screen_size > 0 && ud.coop != 1 && ud.multimode > 1)
+	{
+		int j = 0;
+		for (int i = connecthead; i >= 0; i = connectpoint2[i])
+			if (i > j) j = i;
+
+		if (j >= 1) fbh += 8;
+		if (j >= 4) fbh += 8;
+		if (j >= 8) fbh += 8;
+		if (j >= 12) fbh += 8;
+	}
+
+	y1 += fbh * 100;
+	if (ud.screen_size >= 8 && ud.statusbarmode == 0)
+		y2 -= (tilesiz[TILE_BOTTOMSTATUSBAR].y >> (isRR() ? 1 : 0)) * ud.statusbarscale;
+	y1 = scale(y1, ydim, 200 * 100);
+	y2 = scale(y2, ydim, 200 * 100);
+
+	videoSetViewableArea(x1, y1, x2 - 1, y2 - 1);
+}
+
+//==========================================================================
+//
+// view sizing game interface
+//
+//==========================================================================
+
+bool GameInterface::validate_hud(int layout)
+{
+	return layout <= 11;
+}
+
+void GameInterface::set_hud_layout(int layout)
+{
+	static const uint8_t screen_size_vals[] = { 60, 54, 48, 40, 32, 24, 16, 8, 8, 4, 4, 0 };
+	static const uint8_t screen_size_vals_rr[] = { 56, 48, 40, 32, 24, 16, 12, 8, 8, 4, 4, 0 };
+	if (validate_hud(layout))
+	{
+		ud.screen_size = isRR()? screen_size_vals_rr[layout] : screen_size_vals[layout];
+		ud.statusbarmode = layout >= 8;
+		ud.althud = layout >= 10;
+		updateviewport();
+	}
+}
+
+void GameInterface::set_hud_scale(int scale)
+{
+    ud.statusbarscale = clamp(scale, 36, 100);
+    updateviewport();
+}
+
+void GameInterface::UpdateScreenSize()
+{
+	updateviewport();
+}
+
+
+
 END_DUKE_NS
diff --git a/source/games/duke/src/sbar_d.cpp b/source/games/duke/src/sbar_d.cpp
index add1f830c..18bec25bd 100644
--- a/source/games/duke/src/sbar_d.cpp
+++ b/source/games/duke/src/sbar_d.cpp
@@ -353,7 +353,7 @@ public:
 
         FString format;
 
-        if (ud.multimode > 1 && (g_gametypeFlags[ud.coop] & GAMETYPE_FRAGBAR))
+        if (ud.multimode > 1 && !ud.coop)
         {
             DrawGraphic(tileGetTexture(KILLSICON), 228, top + 8, DI_ITEM_OFFSETS, 1, 0, 0, 1, 1);
             format.Format("%d", max(p->frag - p->fraggedself, 0));
diff --git a/source/games/duke/src/sbar_r.cpp b/source/games/duke/src/sbar_r.cpp
index 2d5d724b5..49aaf867c 100644
--- a/source/games/duke/src/sbar_r.cpp
+++ b/source/games/duke/src/sbar_r.cpp
@@ -297,7 +297,7 @@ public:
 
         FString format;
 
-        if (ud.multimode > 1 && (g_gametypeFlags[ud.coop] & GAMETYPE_FRAGBAR))
+        if (ud.multimode > 1 && !ud.coop)
         {
             DrawGraphic(tileGetTexture(KILLSICON), 228, top + 8, DI_ITEM_OFFSETS, 1, 0, 0, 1, 1);
             format.Format("%d", max(p->frag - p->fraggedself, 0));
diff --git a/source/games/duke/src/zz_game.cpp b/source/games/duke/src/zz_game.cpp
index 22232a484..a0517694c 100644
--- a/source/games/duke/src/zz_game.cpp
+++ b/source/games/duke/src/zz_game.cpp
@@ -87,20 +87,6 @@ static void gameTimerHandler(void)
     }
 }
 
-static int G_MaybeTakeOnFloorPal(tspritetype *pSprite, int sectNum)
-{
-    int const floorPal = sector[sectNum].floorpal;
-
-    if (floorPal && !lookups.noFloorPal(floorPal) && !actorflag(pSprite->owner, SFLAG_NOPAL))
-    {
-        pSprite->pal = floorPal;
-        return 1;
-    }
-
-    return 0;
-}
-
-
 void G_InitTimer(int32_t ticspersec)
 {
     if (g_timerTicsPerSecond != ticspersec)
@@ -132,56 +118,6 @@ int G_StartRTS(int lumpNum, int localPlayer)
     return 0;
 }
 
-// Trying to sanitize the mess of options and the mess of variables the mess was stored in. (Did I say this was a total mess before...? >) )
-// Hopefully this is more comprehensible, at least it neatly stores everything useful in a single linear value...
-bool GameInterface::validate_hud(int layout)
-{
-	if (layout <= (RR? 5: 6))	// Status bar with border
-	{
-		return !(ud.statusbarflags & STATUSBAR_NOSHRINK);
-	}
-	else if (layout <= 7) // Status bar fullscreen
-	{
-		return (!(ud.statusbarflags & STATUSBAR_NOFULL) || !(ud.statusbarflags & STATUSBAR_NOOVERLAY));
-	}
-	else if (layout == 8)	// Status bar overlay
-	{
-		return !(ud.statusbarflags & STATUSBAR_NOOVERLAY);
-	}
-	else if (layout == 9)	// Fullscreen HUD
-	{
-		return (!(ud.statusbarflags & STATUSBAR_NOMINI) || !(ud.statusbarflags & STATUSBAR_NOMODERN));
-	}
-	else if (layout == 10)
-	{
-		return !(ud.statusbarflags & STATUSBAR_NOMODERN);
-	}
-	else if (layout == 11)
-	{
-		return !(ud.statusbarflags & STATUSBAR_NONONE);
-	}
-	return false;
-}
-
-void GameInterface::set_hud_layout(int layout)
-{
-	static const uint8_t screen_size_vals[] = { 60, 54, 48, 40, 32, 24, 16, 8, 8, 4, 4, 0 };
-	static const uint8_t screen_size_vals_rr[] = { 56, 48, 40, 32, 24, 16, 12, 8, 8, 4, 4, 0 };
-	if (validate_hud(layout))
-	{
-		ud.screen_size = RR? screen_size_vals_rr[layout] : screen_size_vals[layout];
-		ud.statusbarmode = layout >= 8;
-		ud.althud = layout >= 10;
-		updateviewport();
-	}
-}
-
-void GameInterface::set_hud_scale(int scale)
-{
-    ud.statusbarscale = clamp(scale, 36, 100);
-    updateviewport();
-}
-
 void G_HandleLocalKeys(void)
 {
 //    CONTROL_ProcessBinds();
@@ -209,8 +145,6 @@ void G_HandleLocalKeys(void)
             {
                 hud_scale = hud_scale + 4;
             }
-
-            updateviewport();
         }
 
         if (buttonMap.ButtonDown(gamefunc_Shrink_Screen))
@@ -228,15 +162,13 @@ void G_HandleLocalKeys(void)
             {
                 hud_scale = hud_scale - 4;
             }
-
-            updateviewport();
         }
     }
 
     if (g_player[myconnectindex].ps->cheat_phase == 1 || (g_player[myconnectindex].ps->gm&(MODE_MENU|MODE_TYPE)) || System_WantGuiCapture())
         return;
 
-    if (buttonMap.ButtonDown(gamefunc_See_Coop_View) && (GTFLAGS(GAMETYPE_COOPVIEW) || ud.recstat == 2))
+    if (buttonMap.ButtonDown(gamefunc_See_Coop_View) && (ud.coop || ud.recstat == 2))
     {
         buttonMap.ClearButton(gamefunc_See_Coop_View);
         screenpeek = connectpoint2[screenpeek];
@@ -318,8 +250,8 @@ void G_HandleLocalKeys(void)
             {
                 g_player[myconnectindex].ps->over_shoulder_on = !g_player[myconnectindex].ps->over_shoulder_on;
 
-                CAMERADIST  = 0;
-                CAMERACLOCK = (int32_t) totalclock;
+                cameradist  = 0;
+                cameraclock = (int32_t) totalclock;
 
                 FTA(QUOTE_VIEW_MODE_OFF + g_player[myconnectindex].ps->over_shoulder_on, g_player[myconnectindex].ps);
             }
@@ -347,7 +279,6 @@ void G_HandleLocalKeys(void)
         ud.last_overhead = ud.overhead_on;
         ud.overhead_on   = 0;
         ud.scrollmode    = 0;
-        updateviewport();
     }
 #endif
 
@@ -367,7 +298,6 @@ void G_HandleLocalKeys(void)
         }
 
         restorepalette = 1;
-        updateviewport();
     }
 }
 
@@ -431,14 +361,6 @@ static void G_CompileScripts(void)
     VM_OnEvent(EVENT_INIT);
 }
 
-static inline void G_CheckGametype(void)
-{
-    m_coop = clamp(*m_coop, 0, g_gametypeCnt-1);
-    Printf("%s\n",g_gametypeNames[m_coop]);
-    if (g_gametypeFlags[m_coop] & GAMETYPE_ITEMRESPAWN)
-        ud.m_respawn_items = ud.m_respawn_inventory = 1;
-}
-
 inline int G_CheckPlayerColor(int color)
 {
     static int32_t player_pals[] = { 0, 9, 10, 11, 12, 13, 14, 15, 16, 21, 23, };
@@ -464,7 +386,6 @@ static void G_Startup(void)
     // These depend on having the dynamic tile and/or sound mappings set up:
     G_InitMultiPsky(TILE_CLOUDYOCEAN, TILE_MOONSKY1, TILE_BIGORBIT1, TILE_LA);
     Net_SendClientInfo();
-    if (g_netServer || ud.multimode > 1) G_CheckGametype();
 
 	if (userConfig.CommandMap.IsNotEmpty())
 	{
@@ -574,11 +495,6 @@ static int G_EndOfLevel(void)
 
         if (ud.display_bonus_screen == 1)
         {
-            int32_t i = ud.screen_size;
-            ud.screen_size = 0;
-            updateviewport();
-            ud.screen_size = i;
-
             G_BonusScreen(0);
         }
 
@@ -703,7 +619,6 @@ int32_t SetDefaults(void)
     ud.camera_time = 0;//4;
 
     ud.screen_tilting = 1;
-    ud.statusbarflags = 0;// STATUSBAR_NOSHRINK;
     playerteam = 0;
     ud.angleinterpolation = 0;
 
@@ -901,19 +816,13 @@ MAIN_LOOP_RESTART:
             goto MAIN_LOOP_RESTART;
         }
     }
-    else updateviewport();
 
     ud.showweapons = ud.config.ShowOpponentWeapons;
     P_SetupMiscInputSettings();
     g_player[myconnectindex].pteam = playerteam;
 
-    if (g_gametypeFlags[ud.coop] & GAMETYPE_TDM)
-        g_player[myconnectindex].ps->palookup = g_player[myconnectindex].pcolor = G_GetTeamPalette(g_player[myconnectindex].pteam);
-    else
-    {
-        if (playercolor) g_player[myconnectindex].ps->palookup = g_player[myconnectindex].pcolor = G_CheckPlayerColor(playercolor);
-        else g_player[myconnectindex].ps->palookup = g_player[myconnectindex].pcolor;
-    }
+    if (playercolor) g_player[myconnectindex].ps->palookup = g_player[myconnectindex].pcolor = G_CheckPlayerColor(playercolor);
+    else g_player[myconnectindex].ps->palookup = g_player[myconnectindex].pcolor;
 
     ud.warp_on = 0;
 	inputState.ClearKeyStatus(sc_Pause);   // JBF: I hate the pause key
@@ -1001,8 +910,6 @@ MAIN_LOOP_RESTART:
             drawtime.Reset();
             drawtime.Clock();
             displayrooms(screenpeek, smoothRatio);
-            if (videoGetRenderMode() >= REND_POLYMOST)
-                drawbackground();
             G_DisplayRest(smoothRatio);
             drawtime.Unclock();
             videoNextPage();
@@ -1084,14 +991,7 @@ int G_DoMoveThings(void)
         if (g_player[i].input->extbits&(1<<6))
         {
             g_player[i].ps->team = g_player[i].pteam;
-            if (g_gametypeFlags[ud.coop] & GAMETYPE_TDM)
-            {
-                actor[g_player[i].ps->i].picnum = TILE_APLAYERTOP;
-                quickkill(g_player[i].ps);
-            }
         }
-        if (g_gametypeFlags[ud.coop] & GAMETYPE_TDM)
-            g_player[i].ps->palookup = g_player[i].pcolor = G_GetTeamPalette(g_player[i].ps->team);
 
         if (sprite[g_player[i].ps->i].pal != 1)
             sprite[g_player[i].ps->i].pal = g_player[i].pcolor;
@@ -1139,11 +1039,6 @@ void GameInterface::FreeGameData()
     G_Cleanup();
 }
 
-void GameInterface::UpdateScreenSize()
-{
-    updateviewport();
-}
-
 ::GameInterface* CreateInterface()
 {
 	return new GameInterface;
diff --git a/source/games/duke/src/zz_global.cpp b/source/games/duke/src/zz_global.cpp
index 4c2935944..da7549519 100644
--- a/source/games/duke/src/zz_global.cpp
+++ b/source/games/duke/src/zz_global.cpp
@@ -34,49 +34,6 @@ const char *s_buildDate = "20120522";
 char    g_gametypeNames[MAXGAMETYPES][33]
 = { "DukeMatch (Spawn)", "Cooperative Play", "DukeMatch (No Spawn)", "Team DM (Spawn)", "Team DM (No Spawn)" };
 
-int32_t g_gametypeFlags[MAXGAMETYPES] =
-{
-    GAMETYPE_FRAGBAR |
-    GAMETYPE_SCORESHEET |
-    GAMETYPE_DMSWITCHES |
-    GAMETYPE_ITEMRESPAWN |
-    GAMETYPE_MARKEROPTION |
-    GAMETYPE_ACCESSATSTART,
-
-    GAMETYPE_COOP |
-    GAMETYPE_WEAPSTAY |
-    GAMETYPE_COOPSPAWN |
-    GAMETYPE_ACCESSCARDSPRITES |
-    GAMETYPE_COOPVIEW |
-    GAMETYPE_COOPSOUND |
-    GAMETYPE_OTHERPLAYERSINMAP |
-    GAMETYPE_PLAYERSFRIENDLY |
-    GAMETYPE_FIXEDRESPAWN |
-    GAMETYPE_PRESERVEINVENTORYDEATH,
-
-    GAMETYPE_WEAPSTAY |
-    GAMETYPE_FRAGBAR |
-    GAMETYPE_SCORESHEET |
-    GAMETYPE_DMSWITCHES |
-    GAMETYPE_ACCESSATSTART,
-
-    GAMETYPE_FRAGBAR |
-    GAMETYPE_SCORESHEET |
-    GAMETYPE_DMSWITCHES |
-    GAMETYPE_ITEMRESPAWN |
-    GAMETYPE_MARKEROPTION |
-    GAMETYPE_ACCESSATSTART |
-    GAMETYPE_TDM |
-    GAMETYPE_TDMSPAWN,
-
-    GAMETYPE_WEAPSTAY |
-    GAMETYPE_FRAGBAR |
-    GAMETYPE_SCORESHEET |
-    GAMETYPE_DMSWITCHES |
-    GAMETYPE_ACCESSATSTART |
-    GAMETYPE_TDM |
-    GAMETYPE_TDMSPAWN,
-};
 
 float g_gameUpdateAvgTime = -1.f;
 
diff --git a/source/games/duke/src/zz_premap.cpp b/source/games/duke/src/zz_premap.cpp
index af7687232..2b2b03041 100644
--- a/source/games/duke/src/zz_premap.cpp
+++ b/source/games/duke/src/zz_premap.cpp
@@ -370,20 +370,13 @@ int G_EnterLevel(int gameMode)
         return 1;
     }
 
-    i = ud.screen_size;
-    ud.screen_size = 0;
-
     FStringf msg("%s . . .", GStrings("TXT_LOADMAP"));
-
-    ud.screen_size = i;
-
     DukePlayer_t *const pPlayer = g_player[0].ps;
 
 
     /*
     G_DoLoadScreen(msg, -1);
     */
-    updateviewport();
     int res = LoadTheMap(mi, pPlayer, gameMode);
     if (res != 0) return res;
 
@@ -477,10 +470,9 @@ int G_EnterLevel(int gameMode)
 
     restorepalette = -1;
 
-    updateviewport();
     videoClearViewableArea(0L);
-    drawbackground();
     displayrooms(myconnectindex,65536);
+    G_DisplayRest(65536);
 
     Net_WaitForEverybody();
     return 0;
diff --git a/source/games/duke/src/zz_savegame.cpp b/source/games/duke/src/zz_savegame.cpp
index 6bc7eb46f..c7b50ec11 100644
--- a/source/games/duke/src/zz_savegame.cpp
+++ b/source/games/duke/src/zz_savegame.cpp
@@ -1429,7 +1429,6 @@ static void postloadplayer(int32_t savegamep)
                 T1(i) = 0;
             }
 
-        updateviewport();
         FX_SetReverb(0);
     }
 
diff --git a/source/games/duke/src/zz_screens.cpp b/source/games/duke/src/zz_screens.cpp
index 240899e33..0bbf32b9e 100644
--- a/source/games/duke/src/zz_screens.cpp
+++ b/source/games/duke/src/zz_screens.cpp
@@ -285,7 +285,6 @@ void G_DisplayRest(int32_t smoothratio)
             if (ud.overhead_on == 2)
             {
                 twod->ClearScreen();
-                drawbackground();
                 renderDrawMapView(cposx, cposy, pp->zoom, cang);
             }
             drawoverheadmap(cposx, cposy, pp->zoom, cang);