diff --git a/polymer/eduke32/Makefile b/polymer/eduke32/Makefile
index fdccf44d1..702b1854e 100644
--- a/polymer/eduke32/Makefile
+++ b/polymer/eduke32/Makefile
@@ -134,6 +134,8 @@ ifneq ($(USE_LIBVPX),0)
     GAMEOBJS+= $(OBJ)/animvpx.$o
 endif
 
+MISCGAMEDEPS=
+
 
 ## Lunatic devel
 
@@ -164,9 +166,11 @@ ifneq (0,$(LUNATIC))
         # But, following _their_ directions does not give us the symbols! wtf?
         STRIP+= -s $(SRC)/lunatic/dynsymlist_osx
 
+        MISCGAMEDEPS+= $(SRC)/lunatic/dynsymlist_osx
         MISCLINKOPTS+= -pagezero_size 10000 -image_base 100000000 #-Wl,-alias_list -Wl,$(SRC)/lunatic/aliases_list #-exported_symbols_list $(SRC)/lunatic/dynsymlist_osx
     endif
     ifeq ($(PLATFORM),WINDOWS)
+        MISCGAMEDEPS+= $(SRC)/lunatic/eduke32.def
         MISCLINKOPTS+= $(SRC)/lunatic/eduke32.def
     endif
     ifeq ($(PLATFORM),LINUX)
@@ -272,7 +276,7 @@ all:
 notice:
 	$(BUILD_STARTED)
 
-eduke32$(EXESUFFIX): $(GAMEOBJS) $(EOBJ)/$(ENGINELIB) $(JAUDIOLIBDIR)/$(JAUDIOLIB) $(ENETDIR)/$(ENETLIB)
+eduke32$(EXESUFFIX): $(GAMEOBJS) $(EOBJ)/$(ENGINELIB) $(JAUDIOLIBDIR)/$(JAUDIOLIB) $(ENETDIR)/$(ENETLIB) $(MISCGAMEDEPS)
 	$(LINK_STATUS)
 	if $(CC) $(CFLAGS) $(OURCFLAGS) -o $@ $^ $(LIBS) $(STDCPPLIB) $(MISCLINKOPTS); then $(LINK_OK); else $(LINK_FAILED); fi
 ifeq (1,$(RELEASE))
@@ -298,7 +302,7 @@ enginelib editorlib:
 ifeq ($(PRETTY_OUTPUT),1)	
 	printf "\033[K\033[0;35mChanging dir to \033[1;35m$(CURDIR)/$(EROOT)\033[0;35m \033[0m\n"
 endif
-	$(MAKE) -C $(EROOT)/ "OBJ=../$(EOBJ)" $@
+	$(MAKE) -C $(EROOT)/ "OBJ=../$(EOBJ)" $@ LUNATIC=$(LUNATIC)
 #\
 		DEBUGANYWAY=$(DEBUGANYWAY) KRANDDEBUG=$(KRANDDEBUG)\
 		USE_OPENGL=$(USE_OPENGL) BUILD32_ON_64=$(BUILD32_ON_64) PROFILER=$(PROFILER)\
diff --git a/polymer/eduke32/build/Makefile b/polymer/eduke32/build/Makefile
index 8864f7244..fa8c5f233 100644
--- a/polymer/eduke32/build/Makefile
+++ b/polymer/eduke32/build/Makefile
@@ -50,6 +50,10 @@ OURCFLAGS=$(BASECFLAGS) -Wno-char-subscripts -I$(INC) $(ARCH)
 OURCXXFLAGS=$(BASECXXFLAGS)
 ASFLAGS=$(BASEASFLAGS)
 
+ifneq ($(LUNATIC),0)
+    OURCFLAGS+= -DLUNATIC_ENABLE
+endif
+
 include Makefile.shared
 
 
diff --git a/polymer/eduke32/build/include/build.h b/polymer/eduke32/build/include/build.h
index b7a8176a1..812940cbc 100644
--- a/polymer/eduke32/build/include/build.h
+++ b/polymer/eduke32/build/include/build.h
@@ -240,6 +240,11 @@ typedef struct {
     uint8_t filler;
     float alpha;
     spritetype *tspr;
+#if defined LUNATIC_ENABLE && UINTPTR_MAX == 0xffffffff
+    /* On a 32-bit build, pad the struct so it has the same size everywhere.
+     * REMINDER: Will break savegames. */
+    void *dummy_;
+#endif
 } spriteext_t;
 
 typedef struct {
diff --git a/polymer/eduke32/source/lunatic/defs.ilua b/polymer/eduke32/source/lunatic/defs.ilua
index 80f22e473..3f4656214 100644
--- a/polymer/eduke32/source/lunatic/defs.ilua
+++ b/polymer/eduke32/source/lunatic/defs.ilua
@@ -3,7 +3,7 @@
 
 local ffi = require("ffi")
 
----- sector, wall, sprite ----
+---- sector, wall, sprite, ... ----
 ffi.cdef[[
 #pragma pack(push,1)
 typedef struct
@@ -39,10 +39,23 @@ typedef struct
     uint8_t pal, clipdist, filler;
     uint8_t xrepeat, yrepeat;
     int8_t xoffset, yoffset;
-    int16_t sectnum, statnum;
+    const int16_t sectnum, statnum;
     int16_t ang, owner, xvel, yvel, zvel;
     int16_t lotag, hitag, extra;
 } spritetype;
+
+typedef struct {
+    const uint32_t mdanimtims;
+    const int16_t mdanimcur;
+    int16_t angoff, pitch, roll;
+    int32_t xoff, yoff, zoff;
+    uint8_t flags;
+    uint8_t xpanning, ypanning;
+    const uint8_t filler;
+    float alpha;
+    const int32_t _do_not_use1;
+    const int32_t _do_not_use2;
+} spriteext_t;
 #pragma pack(pop)
 ]]
 
@@ -50,6 +63,7 @@ ffi.cdef[[
 sectortype *sector;
 walltype *wall;
 spritetype *sprite;
+spriteext_t *spriteext;
 
 const int16_t numsectors, numwalls;
 
@@ -128,6 +142,7 @@ gv = {
     sector = det,
     wall = det,
     sprite = det,
+    spriteext = det,
 
     headspritesect = det, headspritestat = det,
     prevspritesect = det, prevspritestat = det,
@@ -185,6 +200,7 @@ local function creategtab(ctab, maxidx, name)
 end
 
 sprite = creategtab(ffiC.sprite, 16384, 'sprite[] struct')
+spriteext = creategtab(ffiC.spriteext, 16384, 'spriteext[] struct')
 headspritesect = creategtab(ffiC.headspritesect, 16384, 'headspritesect[]')
 headspritestat = creategtab(ffiC.headspritestat, 1024, 'headspritestat[]')
 nextspritesect = creategtab(ffiC.nextspritesect, 16384, 'nextspritesect[]')
@@ -232,6 +248,7 @@ G_.gv = gv
 G_.sector = sector
 G_.wall = wall
 G_.sprite = sprite
+G_.spriteext = spriteext
 G_.headspritesect = headspritesect
 G_.headspritestat = headspritestat
 G_.nextspritesect = nextspritesect
diff --git a/polymer/eduke32/source/lunatic/dynsymlist b/polymer/eduke32/source/lunatic/dynsymlist
index a1775db84..fb3337f48 100644
--- a/polymer/eduke32/source/lunatic/dynsymlist
+++ b/polymer/eduke32/source/lunatic/dynsymlist
@@ -2,6 +2,7 @@
 sector;
 wall;
 sprite;
+spriteext;
 
 numsectors;
 numwalls;
diff --git a/polymer/eduke32/source/lunatic/test.elua b/polymer/eduke32/source/lunatic/test.elua
index cd6ef0149..73673f849 100644
--- a/polymer/eduke32/source/lunatic/test.elua
+++ b/polymer/eduke32/source/lunatic/test.elua
@@ -21,7 +21,12 @@ for i = 0, gv.numsectors/2 do
 end
 
 checkfail('gv.sprite[0].yrepeat = 100')  -- direct gv array access forbidden
-print('tweaking some sprites')
+print('tweaking some sprites 2')
+i = 562
+spriteext[i].alpha = 0.5;
+sprite[i].cstat = bit.bor(sprite[i].cstat, 2+512);
+spriteext[i].pitch = 128;
+spriteext[i].roll = 256;
 for spr in spritesofsect(307) do  -- some fence sprites in E1L1
     print('spr', spr)
     sprite[spr].pal = 6