diff --git a/source/games/duke/src/actor.h b/source/games/duke/src/actor.h
new file mode 100644
index 000000000..e077e0535
--- /dev/null
+++ b/source/games/duke/src/actor.h
@@ -0,0 +1,94 @@
+#pragma once
+
+// shared functions
+void movecyclers(void);
+void movedummyplayers(void);
+void resetlanepics(void);
+void moveplayers();
+void doanimations();
+void movefx();
+
+void ms(short i);
+void movecrane(int i, int crane);
+void movefountain(int i, int fountain);
+void moveflammable(int i, int tire, int box, int pool);
+void detonate(int i, int explosion);
+void movemasterswitch(int i, int spectype1, int spectype2);
+void movetrash(int i);
+void movewaterdrip(int i, int drip);
+void movedoorshock(int i);
+void movetouchplate(int i, int plate);
+void movecanwithsomething(int i);
+void bounce(int i);
+void movetongue(int i, int tongue, int jaw);
+void moveooz(int i, int seenine, int seeninedead, int ooz, int explosion);
+void lotsofstuff(spritetype* s, short n, int spawntype);
+bool respawnmarker(int i, int yellow, int green);
+bool rat(int i, bool makesound);
+bool queball(int i, int pocket, int queball, int stripeball);
+void forcesphere(int i, int forcesphere);
+void recon(int i, int explosion, int firelaser, int attacksnd, int painsnd, int roamsnd, int shift, int (*getspawn)(int i));
+void ooz(int i);
+void reactor(int i, int REACTOR, int REACTOR2, int REACTORBURNT, int REACTOR2BURNT);
+void camera(int i);
+void forcesphere(int i);
+void watersplash2(int i);
+void frameeffect1(int i);
+bool money(int i, int BLOODPOOL);
+bool jibs(int i, int JIBS6, bool timeout, bool callsetsprite, bool floorcheck, bool zcheck1, bool zcheck2);
+bool bloodpool(int i, bool puke, int TIRE);
+void shell(int i, bool morecheck);
+void glasspieces(int i);
+void scrap(int i, int SCRAP1, int SCRAP6);
+
+void handle_se00(int i, int LASERLINE);
+void handle_se01(int i);
+void handle_se14(int i, bool checkstat, int RPG, int JIBS6);
+void handle_se30(int i, int JIBS6);
+void handle_se02(int i);
+void handle_se03(int i);
+void handle_se04(int i);
+void handle_se05(int i, int FIRELASER);
+void handle_se08(int i, bool checkhitag1);
+void handle_se10(int i, const int *);
+void handle_se11(int i);
+void handle_se12(int i, int planeonly = 0);
+void handle_se13(int i);
+void handle_se15(int i);
+void handle_se16(int i, int REACTOR, int REACTOR2);
+void handle_se17(int i);
+void handle_se18(int i, bool morecheck);
+void handle_se19(int i, int BIGFORCE);
+void handle_se20(int i);
+void handle_se21(int i);
+void handle_se22(int i);
+void handle_se26(int i);
+void handle_se27(int i);
+void handle_se32(int i);
+void handle_se35(int i, int SMALLSMOKE, int EXPLOSION2);
+void handle_se128(int i);
+void handle_se130(int i, int countmax, int EXPLOSION2);
+
+void respawn_rrra(int i, int j);
+
+int dodge(spritetype*);
+void alterang(int a, int g_i, int g_p);
+void fall_common(int g_i, int g_p, int JIBS6, int DRONE, int BLOODPOOL, int SHOTSPARK1, int squished, int thud, int(*fallspecial)(int, int), void (*falladjustz)(spritetype*));
+void checkavailweapon(struct player_struct* p);
+
+// tile names which are identical for all games.
+enum
+{
+	SECTOREFFECTOR = 1,
+	ACTIVATOR = 2,
+	TOUCHPLATE = 3,
+	ACTIVATORLOCKED = 4,
+	MUSICANDSFX = 5,
+	LOCATORS = 6,
+	CYCLER = 7,
+	MASTERSWITCH = 8,
+	RESPAWN = 9,
+	GPSPEED = 10,
+	FOF = 13,
+};	
+
diff --git a/source/games/duke/src/actors_d.cpp b/source/games/duke/src/actors_d.cpp
index 3099438a0..c4ab7c73d 100644
--- a/source/games/duke/src/actors_d.cpp
+++ b/source/games/duke/src/actors_d.cpp
@@ -36,7 +36,7 @@ This file contains parts of DukeGDX by Alexander Makarov-[M210] (m210-2007@mail.
 
 #include "ns.h"
 #include "global.h"
-#include "actors.h"
+#include "zz_actors.h"
 #include "names.h"
 
 BEGIN_DUKE_NS
diff --git a/source/games/duke/src/actors_lava.cpp b/source/games/duke/src/actors_lava.cpp
index f0abd8c0e..3c45afbf6 100644
--- a/source/games/duke/src/actors_lava.cpp
+++ b/source/games/duke/src/actors_lava.cpp
@@ -27,7 +27,7 @@ Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
 //-------------------------------------------------------------------------
 #include "ns.h"
 #include "global.h"
-#include "actors.h"
+#include "zz_actors.h"
 #include "names_rr.h"
 #include "serializer.h"
 
diff --git a/source/games/duke/src/actors_r.cpp b/source/games/duke/src/actors_r.cpp
index d8835dbef..f6515208d 100644
--- a/source/games/duke/src/actors_r.cpp
+++ b/source/games/duke/src/actors_r.cpp
@@ -28,7 +28,7 @@ Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
 
 #include "ns.h"
 #include "global.h"
-#include "actors.h"
+#include "zz_actors.h"
 #include "names_rr.h"
 #include "mmulti.h"
 
diff --git a/source/games/duke/src/bowling.cpp b/source/games/duke/src/bowling.cpp
index 1ae017c25..24342b5ff 100644
--- a/source/games/duke/src/bowling.cpp
+++ b/source/games/duke/src/bowling.cpp
@@ -28,7 +28,7 @@ Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
 
 #include "ns.h"
 #include "global.h"
-#include "actors.h"
+#include "zz_actors.h"
 #include "names_rr.h"
 
 BEGIN_DUKE_NS
diff --git a/source/games/duke/src/duke3d.h b/source/games/duke/src/duke3d.h
index 3a4c66394..e485d25f1 100644
--- a/source/games/duke/src/duke3d.h
+++ b/source/games/duke/src/duke3d.h
@@ -108,7 +108,7 @@ EDUKE32_STATIC_ASSERT(7 <= MAXTILES-MAXUSERTILES);
 
 END_DUKE_NS
 
-#include "actors.h"
+#include "zz_actors.h"
 #include "common_game.h"
 #include "gamecontrol.h"
 #include "game.h"
@@ -123,7 +123,7 @@ END_DUKE_NS
 #include "player.h"
 #include "quotes.h"
 #include "rts.h"
-#include "text.h"
+#include "zz_text.h"
 #include "sector.h"
 #include "sounds.h"
 #include "soundefs.h"
diff --git a/source/games/duke/src/flags_d.cpp b/source/games/duke/src/flags_d.cpp
index b31678bee..7443949a4 100644
--- a/source/games/duke/src/flags_d.cpp
+++ b/source/games/duke/src/flags_d.cpp
@@ -33,7 +33,7 @@ source as it is released.
 
 #include "ns.h"
 #include "global.h"
-#include "actors.h"
+#include "zz_actors.h"
 #include "names.h"
 
 BEGIN_DUKE_NS
diff --git a/source/games/duke/src/flags_r.cpp b/source/games/duke/src/flags_r.cpp
index 4b975ed7b..52fc75e70 100644
--- a/source/games/duke/src/flags_r.cpp
+++ b/source/games/duke/src/flags_r.cpp
@@ -27,7 +27,7 @@ Prepared for public release, 03/21/2003 - Charlie Wiederhold, 3D Realms
 
 #include "ns.h"
 #include "global.h"
-#include "actors.h"
+#include "zz_actors.h"
 #include "names_rr.h"
 
 BEGIN_DUKE_NS
diff --git a/source/games/duke/src/gamedef.h b/source/games/duke/src/gamedef.h
index 6ed7853e1..e08e37961 100644
--- a/source/games/duke/src/gamedef.h
+++ b/source/games/duke/src/gamedef.h
@@ -24,7 +24,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #define gamedef_h_
 
 #include "gamevar.h"
-#include "actors.h"
+#include "zz_actors.h"
 #include "build.h"  // hashtable_t
 #include "cheats.h"
 #include "common.h"  // tokenlist
diff --git a/source/games/duke/src/interpolate.cpp b/source/games/duke/src/interpolate.cpp
new file mode 100644
index 000000000..60e7bff2d
--- /dev/null
+++ b/source/games/duke/src/interpolate.cpp
@@ -0,0 +1,132 @@
+//-------------------------------------------------------------------------
+/*
+Copyright (C) 1996, 2003 - 3D Realms Entertainment
+Copyright (C) 2000, 2003 - Matt Saettler (EDuke Enhancements)
+
+This file is part of Enhanced Duke Nukem 3D version 1.5 - Atomic Edition
+
+Duke Nukem 3D is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+Original Source: 1996 - Todd Replogle
+Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
+
+EDuke enhancements integrated: 04/13/2003 - Matt Saettler
+
+Note: EDuke source was in transition.  Changes are in-progress in the
+source as it is released.
+
+*/
+//-------------------------------------------------------------------------
+
+
+
+void updateinterpolations()  //Stick at beginning of domovethings
+{
+	long i;
+
+	for(i=numinterpolations-1;i>=0;i--) oldipos[i] = *curipos[i];
+}
+
+
+void setinterpolation(long *posptr)
+{
+	long i;
+
+	if (numinterpolations >= MAXINTERPOLATIONS) return;
+	for(i=numinterpolations-1;i>=0;i--)
+		if (curipos[i] == posptr) return;
+	curipos[numinterpolations] = posptr;
+	oldipos[numinterpolations] = *posptr;
+	numinterpolations++;
+}
+
+void stopinterpolation(long *posptr)
+{
+	long i;
+
+	for(i=numinterpolations-1;i>=startofdynamicinterpolations;i--)
+		if (curipos[i] == posptr)
+		{
+			numinterpolations--;
+			oldipos[i] = oldipos[numinterpolations];
+			bakipos[i] = bakipos[numinterpolations];
+			curipos[i] = curipos[numinterpolations];
+		}
+}
+
+void dointerpolations(long smoothratio)       //Stick at beginning of drawscreen
+{
+	long i, j, odelta, ndelta;
+
+	ndelta = 0; j = 0;
+	for(i=numinterpolations-1;i>=0;i--)
+	{
+		bakipos[i] = *curipos[i];
+		odelta = ndelta; ndelta = (*curipos[i])-oldipos[i];
+		if (odelta != ndelta) j = mulscale16(ndelta,smoothratio);
+		*curipos[i] = oldipos[i]+j;
+	}
+}
+
+void restoreinterpolations()  //Stick at end of drawscreen
+{
+	long i;
+
+	for(i=numinterpolations-1;i>=0;i--) *curipos[i] = bakipos[i];
+}
+
+
+void setsectinterpolate(short i)
+{
+    long j, k, startwall,endwall;
+
+    startwall = sector[SECT].wallptr;
+    endwall = startwall+sector[SECT].wallnum;
+
+    for(j=startwall;j<endwall;j++)
+    {
+        setinterpolation(&wall[j].x);
+        setinterpolation(&wall[j].y);
+        k = wall[j].nextwall;
+        if(k >= 0)
+        {
+            setinterpolation(&wall[k].x);
+            setinterpolation(&wall[k].y);
+            k = wall[k].point2;
+            setinterpolation(&wall[k].x);
+            setinterpolation(&wall[k].y);
+        }
+    }
+}
+
+void clearsectinterpolate(short i)
+{
+    short j,startwall,endwall;
+
+    startwall = sector[SECT].wallptr;
+    endwall = startwall+sector[SECT].wallnum;
+    for(j=startwall;j<endwall;j++)
+    {
+        stopinterpolation(&wall[j].x);
+        stopinterpolation(&wall[j].y);
+        if(wall[j].nextwall >= 0)
+        {
+            stopinterpolation(&wall[wall[j].nextwall].x);
+            stopinterpolation(&wall[wall[j].nextwall].y);
+        }
+    }
+}
+
diff --git a/source/games/duke/src/sector.h b/source/games/duke/src/sector.h
index 8a1862a61..4e0b3a9ff 100644
--- a/source/games/duke/src/sector.h
+++ b/source/games/duke/src/sector.h
@@ -23,7 +23,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #ifndef sector_h_
 #define sector_h_
 
-#include "actors.h"  // actor_t
+#include "zz_actors.h"  // actor_t
 #include "gamedef.h"
 #include "gamevar.h"
 #include "macros.h"
diff --git a/source/games/duke/src/sectors.cpp b/source/games/duke/src/sectors.cpp
index 9d9a4c524..67bcbb579 100644
--- a/source/games/duke/src/sectors.cpp
+++ b/source/games/duke/src/sectors.cpp
@@ -35,7 +35,7 @@ source as it is released.
 #include <utility>
 #include "ns.h"
 #include "global.h"
-#include "sounds_common.h"
+#include "sounds.h"
 
 using std::min;
 using std::max;
diff --git a/source/games/duke/src/sectors_d.cpp b/source/games/duke/src/sectors_d.cpp
index 98f244771..137f22b3b 100644
--- a/source/games/duke/src/sectors_d.cpp
+++ b/source/games/duke/src/sectors_d.cpp
@@ -34,7 +34,7 @@ source as it is released.
 
 #include "ns.h"
 #include "global.h"
-#include "sounds_common.h"
+#include "sounds.h"
 #include "names.h"
 
 // PRIMITIVE
diff --git a/source/games/duke/src/sectors_r.cpp b/source/games/duke/src/sectors_r.cpp
index 7178b9c4c..4675ff944 100644
--- a/source/games/duke/src/sectors_r.cpp
+++ b/source/games/duke/src/sectors_r.cpp
@@ -28,7 +28,7 @@ Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
  
 #include "ns.h"
 #include "global.h"
-#include "sounds_common.h"
+#include "sounds.h"
 #include "names_rr.h"
 
 // PRIMITIVE
diff --git a/source/games/duke/src/sounds.h b/source/games/duke/src/sounds.h
index 410fa98f6..4934085b7 100644
--- a/source/games/duke/src/sounds.h
+++ b/source/games/duke/src/sounds.h
@@ -29,12 +29,23 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #ifndef sounds_public_h_
 #define sounds_public_h_
 
-#include "sounds_common.h"
 #include "raze_sound.h"
 #include "raze_music.h"
 
 BEGIN_DUKE_NS
 
+// Sound flags
+enum {
+    SF_LOOP = 1,
+    SF_MSFX = 2,
+    SF_TALK = 4,
+    SF_ADULT = 8,
+    SF_GLOBAL = 16,
+    SF_ONEINST_INTERNAL = 32,
+
+    SF_DTAG = 128,
+};
+
 // KEEPINSYNC lunatic/con_lang.lua
 #define MAXSOUNDS           4096
 #define LOUDESTVOLUME       111
diff --git a/source/games/duke/src/sounds_common.h b/source/games/duke/src/sounds_common.h
deleted file mode 100644
index 5c0dae7ff..000000000
--- a/source/games/duke/src/sounds_common.h
+++ /dev/null
@@ -1,38 +0,0 @@
-//-------------------------------------------------------------------------
-/*
-Copyright (C) 2013 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 EDUKE32_SOUNDS_COMMON_H
-#define EDUKE32_SOUNDS_COMMON_H
-
-// Sound flags
-enum {
-    SF_LOOP = 1,
-    SF_MSFX = 2,
-    SF_TALK = 4,
-    SF_ADULT = 8,
-    SF_GLOBAL = 16,
-    SF_ONEINST_INTERNAL = 32,
-
-    SF_DTAG = 128,
-};
-
-#endif
diff --git a/source/games/duke/src/spawn.cpp b/source/games/duke/src/spawn.cpp
index da96f7a08..79c3e72fd 100644
--- a/source/games/duke/src/spawn.cpp
+++ b/source/games/duke/src/spawn.cpp
@@ -36,7 +36,7 @@ source as it is released.
 #include "ns.h"
 #include "global.h"
 #include "game.h"
-#include "sounds_common.h"
+#include "sounds.h"
 
 BEGIN_DUKE_NS
 
diff --git a/source/games/duke/src/spawn_d.cpp b/source/games/duke/src/spawn_d.cpp
index 2647bf4d0..afbf058c3 100644
--- a/source/games/duke/src/spawn_d.cpp
+++ b/source/games/duke/src/spawn_d.cpp
@@ -35,7 +35,7 @@ source as it is released.
 #include "ns.h"
 #include "global.h"
 #include "game.h"
-#include "sounds_common.h"
+#include "sounds.h"
 #include "names.h"
 
 BEGIN_DUKE_NS
diff --git a/source/games/duke/src/spawn_r.cpp b/source/games/duke/src/spawn_r.cpp
index 6e384b76f..9339f165a 100644
--- a/source/games/duke/src/spawn_r.cpp
+++ b/source/games/duke/src/spawn_r.cpp
@@ -30,7 +30,7 @@ Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms
 #include "ns.h"
 #include "global.h"
 #include "game.h"
-#include "sounds_common.h"
+#include "sounds.h"
 #include "names_rr.h"
 
 BEGIN_DUKE_NS
diff --git a/source/games/duke/src/actors.h b/source/games/duke/src/zz_actors.h
similarity index 76%
rename from source/games/duke/src/actors.h
rename to source/games/duke/src/zz_actors.h
index 930833e89..eb769863c 100644
--- a/source/games/duke/src/actors.h
+++ b/source/games/duke/src/zz_actors.h
@@ -247,13 +247,6 @@ int LocateTheLocator(int const tag, int const sectNum);
 int A_IncurDamage(int spriteNum);
 void A_DeleteSprite(int spriteNum);
 
-void movecyclers(void);
-void movedummyplayers(void);
-void resetlanepics(void);
-void moveplayers();
-void doanimations();
-void movefx();
-
 int  G_SetInterpolation(int32_t *posptr);
 void G_ClearCameraView(DukePlayer_t *ps);
 void clearcamera(player_struct* ps);
@@ -322,90 +315,7 @@ inline int wakeup(int sn, int pn)
     return G_WakeUp(&sprite[sn], pn);
 }
 
-// shared functions
-void ms(short i);
-void movecrane(int i, int crane);
-void movefountain(int i, int fountain);
-void moveflammable(int i, int tire, int box, int pool);
-void detonate(int i, int explosion);
-void movemasterswitch(int i, int spectype1, int spectype2);
-void movetrash(int i);
-void movewaterdrip(int i, int drip);
-void movedoorshock(int i);
-void movetouchplate(int i, int plate);
-void movecanwithsomething(int i);
-void bounce(int i);
-void movetongue(int i, int tongue, int jaw);
-void moveooz(int i, int seenine, int seeninedead, int ooz, int explosion);
-void lotsofstuff(spritetype* s, short n, int spawntype);
-bool respawnmarker(int i, int yellow, int green);
-bool rat(int i, bool makesound);
-bool queball(int i, int pocket, int queball, int stripeball);
-void forcesphere(int i, int forcesphere);
-void recon(int i, int explosion, int firelaser, int attacksnd, int painsnd, int roamsnd, int shift, int (*getspawn)(int i));
-void ooz(int i);
-void reactor(int i, int REACTOR, int REACTOR2, int REACTORBURNT, int REACTOR2BURNT);
-void camera(int i);
-void forcesphere(int i);
-void watersplash2(int i);
-void frameeffect1(int i);
-bool money(int i, int BLOODPOOL);
-bool jibs(int i, int JIBS6, bool timeout, bool callsetsprite, bool floorcheck, bool zcheck1, bool zcheck2);
-bool bloodpool(int i, bool puke, int TIRE);
-void shell(int i, bool morecheck);
-void glasspieces(int i);
-void scrap(int i, int SCRAP1, int SCRAP6);
-
-void handle_se00(int i, int LASERLINE);
-void handle_se01(int i);
-void handle_se14(int i, bool checkstat, int RPG, int JIBS6);
-void handle_se30(int i, int JIBS6);
-void handle_se02(int i);
-void handle_se03(int i);
-void handle_se04(int i);
-void handle_se05(int i, int FIRELASER);
-void handle_se08(int i, bool checkhitag1);
-void handle_se10(int i, const int *);
-void handle_se11(int i);
-void handle_se12(int i, int planeonly = 0);
-void handle_se13(int i);
-void handle_se15(int i);
-void handle_se16(int i, int REACTOR, int REACTOR2);
-void handle_se17(int i);
-void handle_se18(int i, bool morecheck);
-void handle_se19(int i, int BIGFORCE);
-void handle_se20(int i);
-void handle_se21(int i);
-void handle_se22(int i);
-void handle_se26(int i);
-void handle_se27(int i);
-void handle_se32(int i);
-void handle_se35(int i, int SMALLSMOKE, int EXPLOSION2);
-void handle_se128(int i);
-void handle_se130(int i, int countmax, int EXPLOSION2);
-
-void respawn_rrra(int i, int j);
-
-int dodge(spritetype*);
-void alterang(int a, int g_i, int g_p);
-void fall_common(int g_i, int g_p, int JIBS6, int DRONE, int BLOODPOOL, int SHOTSPARK1, int squished, int thud, int(*fallspecial)(int, int), void (*falladjustz)(spritetype*));
-void checkavailweapon(struct player_struct* p);
-
-// tile names which are identical for all games.
-enum
-{
-	SECTOREFFECTOR = 1,
-	ACTIVATOR = 2,
-	TOUCHPLATE = 3,
-	ACTIVATORLOCKED = 4,
-	MUSICANDSFX = 5,
-	LOCATORS = 6,
-	CYCLER = 7,
-	MASTERSWITCH = 8,
-	RESPAWN = 9,
-	GPSPEED = 10,
-	FOF = 13,
-};	
+#include "actor.h"
 
 #endif
 
diff --git a/source/games/duke/src/zz_anim.cpp b/source/games/duke/src/zz_anim.cpp
index d8399cb16..40e8f1ae1 100644
--- a/source/games/duke/src/zz_anim.cpp
+++ b/source/games/duke/src/zz_anim.cpp
@@ -33,7 +33,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "../glbackend/glbackend.h"
 
 
-#include "anim.h"
+#include "zz_anim.h"
 
 #ifdef USE_LIBVPX
 # include "animvpx.h"
diff --git a/source/games/duke/src/anim.h b/source/games/duke/src/zz_anim.h
similarity index 100%
rename from source/games/duke/src/anim.h
rename to source/games/duke/src/zz_anim.h
diff --git a/source/games/duke/src/zz_game.cpp b/source/games/duke/src/zz_game.cpp
index 9ec95b7c6..2d00e3b52 100644
--- a/source/games/duke/src/zz_game.cpp
+++ b/source/games/duke/src/zz_game.cpp
@@ -31,7 +31,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "net.h"
 #include "menus.h"
 #include "savegame.h"
-#include "anim.h"
+#include "zz_anim.h"
 #include "demo.h"
 
 #include "cheats.h"
diff --git a/source/games/duke/src/zz_premap.cpp b/source/games/duke/src/zz_premap.cpp
index 0d214a7e8..d57421404 100644
--- a/source/games/duke/src/zz_premap.cpp
+++ b/source/games/duke/src/zz_premap.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 "anim.h"
+#include "zz_anim.h"
 #include "menus.h"
 #include "demo.h"
 #include "savegame.h"
diff --git a/source/games/duke/src/zz_screens.cpp b/source/games/duke/src/zz_screens.cpp
index 9f3509f31..5b660324b 100644
--- a/source/games/duke/src/zz_screens.cpp
+++ b/source/games/duke/src/zz_screens.cpp
@@ -25,7 +25,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #include "compat.h"
 #include "screens.h"
 
-#include "anim.h"
+#include "zz_anim.h"
 #include "sbar.h"
 #include "menus.h"
 #include "demo.h"
diff --git a/source/games/duke/src/text.h b/source/games/duke/src/zz_text.h
similarity index 100%
rename from source/games/duke/src/text.h
rename to source/games/duke/src/zz_text.h