diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index d2823a83c..2d0be11c7 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -1059,7 +1059,7 @@ if( UNIX )
 	endif()
 endif()
 
-target_link_libraries( ${PROJECT_NAME} ${PROJECT_LIBRARIES} ${ZMUSIC_LIBRARIES} gdtoa lzma duke3d blood rr sw exhumed )
+target_link_libraries( ${PROJECT_NAME} ${PROJECT_LIBRARIES} ${ZMUSIC_LIBRARIES} gdtoa lzma duke3d duke blood rr sw exhumed )
 
 include_directories(
 	${CMAKE_CURRENT_SOURCE_DIR}
@@ -1298,6 +1298,19 @@ macro( add_game_library )
 	)
 endmacro()
 
+macro( add_game_library2 )
+	file( GLOB HEADER_FILES src/*.h )
+	if( NOT_COMPILED_SOURCE_FILES )
+		set_source_files_properties( ${NOT_COMPILED_SOURCE_FILES} PROPERTIES HEADER_FILE_ONLY TRUE )
+	endif()
+	use_precompiled_header("../..")
+	add_library( ${ARGV0} STATIC
+		${PCH_SOURCES}
+		${HEADER_FILES}
+		${NOT_COMPILED_SOURCE_FILES}
+	)
+endmacro()
+
 require_stricmp()
 require_strnicmp()
 
diff --git a/source/core/gamecontrol.cpp b/source/core/gamecontrol.cpp
index d94c19bf0..89ae47216 100644
--- a/source/core/gamecontrol.cpp
+++ b/source/core/gamecontrol.cpp
@@ -449,7 +449,7 @@ extern int MinFPSRate; // this is a bit messy.
 
 void CheckFrontend(int flags)
 {
-	auto old = Args->CheckValue("-duke_old");
+	auto old = Args->CheckParm("-duke_old");
 	MinFPSRate = 30;
 	bool duke_compat = duke_compatibility_15;
 	// This point is too early to have cmdline CVAR checkers working so it must be with a switch.
diff --git a/source/games/duke/CMakeLists.txt b/source/games/duke/CMakeLists.txt
index 33b806f9d..d1ccdc629 100644
--- a/source/games/duke/CMakeLists.txt
+++ b/source/games/duke/CMakeLists.txt
@@ -27,4 +27,4 @@ set( PCH_SOURCES
 	src/soundsdyn.cpp
 	src/rrdh.cpp)
 
-add_game_library( duke )
+add_game_library2( duke )
diff --git a/source/games/duke/src/actors.cpp b/source/games/duke/src/actors.cpp
index 99819e602..5d5b637f1 100644
--- a/source/games/duke/src/actors.cpp
+++ b/source/games/duke/src/actors.cpp
@@ -24,7 +24,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #define actors_c_
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 
 BEGIN_DUKE_NS
 
diff --git a/source/games/duke/src/anim.cpp b/source/games/duke/src/anim.cpp
index 6d8c398c4..96b4eede6 100644
--- a/source/games/duke/src/anim.cpp
+++ b/source/games/duke/src/anim.cpp
@@ -24,7 +24,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "baselayer.h"
 #include "baselayer.h"
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "animlib.h"
 #include "compat.h"
 #include "cmdlib.h"
diff --git a/source/games/duke/src/cheats.cpp b/source/games/duke/src/cheats.cpp
index 1bb93edfb..0a515e922 100644
--- a/source/games/duke/src/cheats.cpp
+++ b/source/games/duke/src/cheats.cpp
@@ -22,7 +22,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "osdcmds.h"
 #include "cheats.h"
 #include "mapinfo.h"
diff --git a/source/games/duke/src/cmdline.cpp b/source/games/duke/src/cmdline.cpp
index bd09600fd..deb9a9590 100644
--- a/source/games/duke/src/cmdline.cpp
+++ b/source/games/duke/src/cmdline.cpp
@@ -22,7 +22,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "demo.h"
 #include "screens.h"
 #include "baselayer.h"
diff --git a/source/games/duke/src/config.cpp b/source/games/duke/src/config.cpp
index 9797ee0c0..6d426c5d4 100644
--- a/source/games/duke/src/config.cpp
+++ b/source/games/duke/src/config.cpp
@@ -22,7 +22,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "osdcmds.h"
 #include "baselayer.h"
 #include "cmdline.h"
diff --git a/source/games/duke/src/d_menu.cpp b/source/games/duke/src/d_menu.cpp
index d6a8ffd52..5c7c8ef62 100644
--- a/source/games/duke/src/d_menu.cpp
+++ b/source/games/duke/src/d_menu.cpp
@@ -24,7 +24,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "cheats.h"
 #include "compat.h"
 #include "demo.h"
-#include "duke3d.h"
+#include "duke3d_ed.h"
 
 #include "menus.h"
 #include "osdcmds.h"
diff --git a/source/games/duke/src/demo.cpp b/source/games/duke/src/demo.cpp
index 920ecb5fa..e08758417 100644
--- a/source/games/duke/src/demo.cpp
+++ b/source/games/duke/src/demo.cpp
@@ -23,7 +23,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "ns.h"	// Must come before everything else!
 
 #include "demo.h"
-#include "duke3d.h"
+#include "duke3d_ed.h"
 
 #include "menus.h"
 #include "savegame.h"
diff --git a/source/games/duke/src/duke3d.h b/source/games/duke/src/duke3d.h
index e3545af5d..9592ccd7c 100644
--- a/source/games/duke/src/duke3d.h
+++ b/source/games/duke/src/duke3d.h
@@ -55,6 +55,7 @@ BEGIN_DUKE_NS
 #define RECSYNCBUFSIZ       2520   //2520 is the (LCM of 1-8)*3
 #define MOVEFIFOSIZ         256
 
+// KEEPINSYNC lunatic/con_lang.lua
 #define MAXLEVELS           64
 #define MAXGAMETYPES        16
 
@@ -112,7 +113,6 @@ END_DUKE_NS
 #include "gamecontrol.h"
 #include "game.h"
 #include "gamedef.h"
-#include "gamedefs.h"
 #include "gameexec.h"
 #include "gamevars.h"
 #include "global.h"
diff --git a/source/games/duke/src/duke3d_ed.h b/source/games/duke/src/duke3d_ed.h
new file mode 100644
index 000000000..e3545af5d
--- /dev/null
+++ b/source/games/duke/src/duke3d_ed.h
@@ -0,0 +1,242 @@
+//-------------------------------------------------------------------------
+/*
+Copyright (C) 2016 EDuke32 developers and contributors
+
+This file is part of EDuke32.
+
+EDuke32 is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License version 2
+as published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+//-------------------------------------------------------------------------
+
+#ifndef duke3d_h_
+#define duke3d_h_
+
+// JBF
+#include "baselayer.h"
+#include "build.h"
+
+#include "compat.h"
+
+#include "pragmas.h"
+
+#include "polymost.h"
+#include "gamecvars.h"
+#include "menu/menu.h"
+
+BEGIN_DUKE_NS
+
+#define VOLUMEALL           (g_Shareware == 0)
+#define PLUTOPAK            (g_scriptVersion >= 14)
+#define VOLUMEONE           (g_Shareware == 1)
+
+// increase by 3, because atomic GRP adds 1, and Shareware adds 2
+// Non-Lua build
+# define BYTEVERSION_EDUKE32      336
+
+//#define BYTEVERSION_13      27
+//#define BYTEVERSION_14      116
+//#define BYTEVERSION_15      117
+#define BYTEVERSION         (BYTEVERSION_EDUKE32+(PLUTOPAK?1:(VOLUMEONE<<1)))
+
+#define NUMPAGES            1
+
+#define RECSYNCBUFSIZ       2520   //2520 is the (LCM of 1-8)*3
+#define MOVEFIFOSIZ         256
+
+#define MAXLEVELS           64
+#define MAXGAMETYPES        16
+
+enum {
+    MUS_FIRST_SPECIAL = MAXVOLUMES*MAXLEVELS,
+
+    MUS_INTRO = MUS_FIRST_SPECIAL,
+    MUS_BRIEFING = MUS_FIRST_SPECIAL + 1,
+    MUS_LOADING = MUS_FIRST_SPECIAL + 2,
+};
+
+////////// TIMING CONSTANTS //////////
+// The number of 'totalclock' increments per second:
+#define TICRATE             120
+// The number of game state updates per second:
+#define REALGAMETICSPERSEC  30
+// The number of 'totalclock' increments per game state update:
+// NOTE: calling a game state update a 'frame' is really weird.
+// (This used to be TICRATE/GAMETICSPERSEC, which was 120/26 = 4.615~ truncated
+// to 4 by integer division.)
+#define TICSPERFRAME        (TICRATE/REALGAMETICSPERSEC)
+// Used as a constant to satisfy all of the calculations written with ticrate =
+// 26 in mind:
+#define GAMETICSPERSEC      26
+
+
+#define PACKBUF_SIZE        32768
+
+#define TILE_SAVESHOT       (MAXTILES-1)
+#define TILE_LOADSHOT       (MAXTILES-3)
+#define TILE_TILT           (MAXTILES-2)
+#define TILE_ANIM           (MAXTILES-4)
+#define TILE_VIEWSCR        (MAXTILES-5)
+// Reserved: TILE_VIEWSCR_1 (MAXTILES-6)
+// Reserved: TILE_VIEWSCR_2 (MAXTILES-7)
+EDUKE32_STATIC_ASSERT(7 <= MAXTILES-MAXUSERTILES);
+
+// sprites with these statnums should be considered for fixing
+#define ROTFIXSPR_STATNUMP(k) ((k)==STAT_DEFAULT || (k)==STAT_STANDABLE || (k)==STAT_FX || \
+                            (k)==STAT_FALLER || (k)==STAT_LIGHT)
+#define ROTFIXSPR_MAGIC 0x18190000
+
+// JBF 20040604: sync is a function on some platforms
+#define sync                dsync
+
+// Uncomment the following to remove calls to a.nasm functions with the GL renderers
+// so that debugging with valgrind --smc-check=none is possible:
+//#define DEBUG_VALGRIND_NO_SMC
+
+END_DUKE_NS
+
+#include "actors.h"
+#include "common_game.h"
+#include "config.h"
+#include "gamecontrol.h"
+#include "game.h"
+#include "gamedef.h"
+#include "gamedefs.h"
+#include "gameexec.h"
+#include "gamevars.h"
+#include "global.h"
+#include "inv.h"
+#include "macros.h"
+#include "namesdyn.h"
+#include "net.h"
+#include "player.h"
+#include "quotes.h"
+#include "rts.h"
+#include "text.h"
+#include "sector.h"
+#include "sounds.h"
+#include "soundsdyn.h"
+#include "rrdh.h"
+
+BEGIN_DUKE_NS
+
+// Order is that of EDuke32 by necessity because it exposes the key binds to scripting  by index instead of by name.
+enum GameFunction_t
+{
+	gamefunc_Move_Forward,
+	gamefunc_Move_Backward,
+	gamefunc_Turn_Left,
+	gamefunc_Turn_Right,
+	gamefunc_Strafe,
+	gamefunc_Fire,
+	gamefunc_Open,
+	gamefunc_Run,
+	gamefunc_Alt_Fire,	// Duke3D, Blood
+	gamefunc_Jump,
+	gamefunc_Crouch,
+	gamefunc_Look_Up,
+	gamefunc_Look_Down,
+	gamefunc_Look_Left,
+	gamefunc_Look_Right,
+	gamefunc_Strafe_Left,
+	gamefunc_Strafe_Right,
+	gamefunc_Aim_Up,
+	gamefunc_Aim_Down,
+	gamefunc_Weapon_1,
+	gamefunc_Weapon_2,
+	gamefunc_Weapon_3,
+	gamefunc_Weapon_4,
+	gamefunc_Weapon_5,
+	gamefunc_Weapon_6,
+	gamefunc_Weapon_7,
+	gamefunc_Weapon_8,
+	gamefunc_Weapon_9,
+	gamefunc_Weapon_10,
+	gamefunc_Inventory,
+	gamefunc_Inventory_Left,
+	gamefunc_Inventory_Right,
+	gamefunc_Holo_Duke,			// Duke3D, RR
+	gamefunc_Jetpack,
+	gamefunc_NightVision,
+	gamefunc_MedKit,
+	gamefunc_TurnAround,
+	gamefunc_SendMessage,
+	gamefunc_Map,
+	gamefunc_Shrink_Screen,
+	gamefunc_Enlarge_Screen,
+	gamefunc_Center_View,
+	gamefunc_Holster_Weapon,
+	gamefunc_Show_Opponents_Weapon,
+	gamefunc_Map_Follow_Mode,
+	gamefunc_See_Coop_View,
+	gamefunc_Mouse_Aiming,
+	gamefunc_Toggle_Crosshair,
+	gamefunc_Steroids,
+	gamefunc_Quick_Kick,
+	gamefunc_Next_Weapon,
+	gamefunc_Previous_Weapon,
+	gamefunc_Dpad_Select,
+	gamefunc_Dpad_Aiming,
+	gamefunc_Last_Weapon,
+	gamefunc_Alt_Weapon,
+	gamefunc_Third_Person_View,
+	gamefunc_Show_DukeMatch_Scores,
+	gamefunc_Toggle_Crouch,	// This is the last one used by EDuke32.
+	NUM_ACTIONS
+};
+
+static inline int32_t G_HaveActor(int spriteNum)
+{
+    return g_tile[spriteNum].execPtr!=NULL;
+}
+
+static inline int32_t G_DefaultActorHealth(int spriteNum)
+{
+    return G_HaveActor(spriteNum) ? g_tile[spriteNum].execPtr[0] : 0;
+}
+
+
+struct GameInterface : ::GameInterface
+{
+	const char* Name() override { return "Redneck"; }
+	int app_main() override;
+	void UpdateScreenSize() override;
+	void FreeGameData() override;
+	bool GenerateSavePic() override;
+	bool validate_hud(int) override;
+	void set_hud_layout(int size) override;
+	void set_hud_scale(int size) override;
+	FString statFPS() override;
+	GameStats getStats() override;
+	void DrawNativeMenuText(int fontnum, int state, double xpos, double ypos, float fontscale, const char* text, int flags) override;
+	void MenuOpened() override;
+	void MenuSound(EMenuSounds snd) override;
+	void MenuClosed() override;
+	bool CanSave() override;
+	void StartGame(FNewGameStartup& gs) override;
+	FSavegameInfo GetSaveSig() override;
+	void DrawCenteredTextScreen(const DVector2& origin, const char* text, int position, bool bg) override;
+	void DrawMenuCaption(const DVector2& origin, const char* text) override;
+	bool SaveGame(FSaveGameNode*) override;
+	bool LoadGame(FSaveGameNode*) override;
+	void DoPrintMessage(int prio, const char* text) override;
+	void DrawPlayerSprite(const DVector2& origin, bool onteam) override;
+	void QuitToTitle() override;
+	FString GetCoordString() override;
+	int GetStringTile(int font, const char* t, int f) override;
+};
+
+END_DUKE_NS
+
+#endif
diff --git a/source/games/duke/src/game.cpp b/source/games/duke/src/game.cpp
index 69a307325..d53010206 100644
--- a/source/games/duke/src/game.cpp
+++ b/source/games/duke/src/game.cpp
@@ -24,7 +24,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #define game_c_
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "compat.h"
 #include "baselayer.h"
 #include "osdcmds.h"
diff --git a/source/games/duke/src/gamedef.cpp b/source/games/duke/src/gamedef.cpp
index ed43c9240..c94f62ea7 100644
--- a/source/games/duke/src/gamedef.cpp
+++ b/source/games/duke/src/gamedef.cpp
@@ -22,7 +22,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "namesdyn.h"
 #include "gamedef.h"
 #include "gameexec.h"
diff --git a/source/games/duke/src/gameexec.cpp b/source/games/duke/src/gameexec.cpp
index c3c2f7037..9c1268ce7 100644
--- a/source/games/duke/src/gameexec.cpp
+++ b/source/games/duke/src/gameexec.cpp
@@ -24,7 +24,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "compat.h"
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 
 #include "anim.h"
 
diff --git a/source/games/duke/src/gamevars.cpp b/source/games/duke/src/gamevars.cpp
index f81261d3d..c1f590ad3 100644
--- a/source/games/duke/src/gamevars.cpp
+++ b/source/games/duke/src/gamevars.cpp
@@ -22,7 +22,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "menus.h"
 #include "savegame.h"
 #include "namesdyn.h"
diff --git a/source/games/duke/src/global.cpp b/source/games/duke/src/global.cpp
index b3a6b93cc..ae14342cd 100644
--- a/source/games/duke/src/global.cpp
+++ b/source/games/duke/src/global.cpp
@@ -23,7 +23,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #define global_c_
 #include "global.h"
-#include "duke3d.h"
+#include "duke3d_ed.h"
 
 BEGIN_DUKE_NS
 
diff --git a/source/games/duke/src/global.h b/source/games/duke/src/global.h
index 6a3e0951e..6edf00d60 100644
--- a/source/games/duke/src/global.h
+++ b/source/games/duke/src/global.h
@@ -25,7 +25,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "build.h"
 #include "compat.h"
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "mmulti.h"
 #include "quotes.h"
 #include "sector.h"
diff --git a/source/games/duke/src/net.cpp b/source/games/duke/src/net.cpp
index 0a89fa6bf..698ada899 100644
--- a/source/games/duke/src/net.cpp
+++ b/source/games/duke/src/net.cpp
@@ -25,7 +25,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "enet.h"
 #endif
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "game.h"
 #include "gamedef.h"
 #include "net.h"
diff --git a/source/games/duke/src/osdcmds.cpp b/source/games/duke/src/osdcmds.cpp
index 483d81725..6f73125c1 100644
--- a/source/games/duke/src/osdcmds.cpp
+++ b/source/games/duke/src/osdcmds.cpp
@@ -25,7 +25,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "cheats.h"
 #include "cmdline.h"
 #include "demo.h"  // g_firstDemoFile[]
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "menus.h"
 #include "osdcmds.h"
 #include "savegame.h"
diff --git a/source/games/duke/src/player.cpp b/source/games/duke/src/player.cpp
index 5694bcabc..e62452a86 100644
--- a/source/games/duke/src/player.cpp
+++ b/source/games/duke/src/player.cpp
@@ -21,7 +21,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //-------------------------------------------------------------------------
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "gameexec.h"
 #include "demo.h"
 #include "d_event.h"
diff --git a/source/games/duke/src/premap.cpp b/source/games/duke/src/premap.cpp
index 8848b69f0..23e006085 100644
--- a/source/games/duke/src/premap.cpp
+++ b/source/games/duke/src/premap.cpp
@@ -21,7 +21,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //-------------------------------------------------------------------------
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "anim.h"
 #include "menus.h"
 #include "demo.h"
diff --git a/source/games/duke/src/rrdh.cpp b/source/games/duke/src/rrdh.cpp
index f5af1bfc2..54e011a06 100644
--- a/source/games/duke/src/rrdh.cpp
+++ b/source/games/duke/src/rrdh.cpp
@@ -26,7 +26,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "compat.h"
 #include "baselayer.h"
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "sounds.h"
 #include "i_time.h"
 #include "files.h"
diff --git a/source/games/duke/src/savegame.cpp b/source/games/duke/src/savegame.cpp
index 3e90e1b8b..d22ef103b 100644
--- a/source/games/duke/src/savegame.cpp
+++ b/source/games/duke/src/savegame.cpp
@@ -21,7 +21,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //-------------------------------------------------------------------------
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "premap.h"
 #include "prlights.h"
 #include "savegame.h"
diff --git a/source/games/duke/src/sbar.cpp b/source/games/duke/src/sbar.cpp
index 193539593..0b4c8ef14 100644
--- a/source/games/duke/src/sbar.cpp
+++ b/source/games/duke/src/sbar.cpp
@@ -22,7 +22,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "ns.h"	// Must come before everything else!
 
 #include "v_font.h"
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "compat.h"
 #include "sbar.h"
 
diff --git a/source/games/duke/src/screens.cpp b/source/games/duke/src/screens.cpp
index f27e2b3f6..564d18748 100644
--- a/source/games/duke/src/screens.cpp
+++ b/source/games/duke/src/screens.cpp
@@ -21,7 +21,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //-------------------------------------------------------------------------
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "compat.h"
 #include "screens.h"
 
diff --git a/source/games/duke/src/sector.cpp b/source/games/duke/src/sector.cpp
index d23a09160..f3f269198 100644
--- a/source/games/duke/src/sector.cpp
+++ b/source/games/duke/src/sector.cpp
@@ -23,7 +23,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #define sector_c_
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 
 #include "secrets.h"
 #include "v_video.h"
diff --git a/source/games/duke/src/sounds.cpp b/source/games/duke/src/sounds.cpp
index 0742981ae..bec5c221c 100644
--- a/source/games/duke/src/sounds.cpp
+++ b/source/games/duke/src/sounds.cpp
@@ -23,7 +23,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include "compat.h"
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "raze_music.h"
 #include "mapinfo.h"
 #include "raze_sound.h"
diff --git a/source/games/duke/src/text.cpp b/source/games/duke/src/text.cpp
index 8db23279f..55c99d9c5 100644
--- a/source/games/duke/src/text.cpp
+++ b/source/games/duke/src/text.cpp
@@ -21,7 +21,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //-------------------------------------------------------------------------
 #include "ns.h"	// Must come before everything else!
 
-#include "duke3d.h"
+#include "duke3d_ed.h"
 #include "compat.h"
 #include "sbar.h"
 #include "menus.h"