diff --git a/polymer/eduke32/build/include/polymer.h b/polymer/eduke32/build/include/polymer.h
index 7ee2a8f2f..dfab7af22 100644
--- a/polymer/eduke32/build/include/polymer.h
+++ b/polymer/eduke32/build/include/polymer.h
@@ -268,6 +268,7 @@ typedef struct      s_pranimatespritesinfo {
 
 // EXTERNAL FUNCTIONS
 int32_t             polymer_init(void);
+void                polymer_uninit(void);
 void                polymer_glinit(void);
 void                polymer_loadboard(void);
 void                polymer_drawrooms(int32_t daposx, int32_t daposy, int32_t daposz, int16_t daang, int32_t dahoriz, int16_t dacursectnum);
@@ -284,7 +285,7 @@ static void         polymer_displayrooms(int16_t sectnum);
 static void         polymer_drawplane(_prplane* plane);
 static inline void  polymer_inb4mirror(GLfloat* buffer, GLfloat* plane);
 static void         polymer_animatesprites(void);
-static void         polymer_clearmapdata(void);
+static void         polymer_freeboard(void);
 static void         polymer_editorselect(void);
 // SECTORS
 static int32_t      polymer_initsector(int16_t sectnum);
diff --git a/polymer/eduke32/build/src/engine.c b/polymer/eduke32/build/src/engine.c
index 601f915af..608da35de 100644
--- a/polymer/eduke32/build/src/engine.c
+++ b/polymer/eduke32/build/src/engine.c
@@ -5698,6 +5698,9 @@ void uninitengine(void)
     polymost_glreset();
     hicinit();
     freeallmodels();
+#ifdef POLYMER
+    polymer_uninit();
+#endif
     /*    if (cachefilehandle > -1)
             Bclose(cachefilehandle);
         if (cacheindexptr != NULL)
diff --git a/polymer/eduke32/build/src/polymer.c b/polymer/eduke32/build/src/polymer.c
index 1fc9dfcf1..2cc6789e9 100644
--- a/polymer/eduke32/build/src/polymer.c
+++ b/polymer/eduke32/build/src/polymer.c
@@ -625,6 +625,11 @@ int32_t             polymer_init(void)
     return (1);
 }
 
+void                polymer_uninit(void)
+{
+    polymer_freeboard();
+}
+
 void                polymer_glinit(void)
 {
     bglClearColor(0.0f, 0.0f, 0.0f, 1.0f);
@@ -668,7 +673,7 @@ void                polymer_loadboard(void)
 {
     int32_t         i;
 
-    polymer_clearmapdata();
+    polymer_freeboard();
 
     i = 0;
     while (i < numsectors)
@@ -1563,7 +1568,7 @@ static void         polymer_animatesprites(void)
         asi.animatesprites(globalposx, globalposy, viewangle, asi.smoothratio);
 }
 
-static void         polymer_clearmapdata(void)
+static void         polymer_freeboard(void)
 {
     int32_t         i;
 
diff --git a/polymer/eduke32/build/src/sdlayer.c b/polymer/eduke32/build/src/sdlayer.c
index c4e73501a..34285eafa 100644
--- a/polymer/eduke32/build/src/sdlayer.c
+++ b/polymer/eduke32/build/src/sdlayer.c
@@ -341,7 +341,7 @@ void initprintf(const char *f, ...)
     va_end(va);
 
     OSD_Printf(buf);
-    Bprintf(buf);
+    Bprintf("%s", buf);
 
     if (Bstrlen(dabuf) + Bstrlen(buf) > 1022)
     {
diff --git a/polymer/eduke32/build/src/winlayer.c b/polymer/eduke32/build/src/winlayer.c
index 149df3ffd..7031a5b10 100644
--- a/polymer/eduke32/build/src/winlayer.c
+++ b/polymer/eduke32/build/src/winlayer.c
@@ -38,7 +38,7 @@
 #include "build.h"
 #include "a.h"
 #include "osd.h"
-
+#include "mmulti.h"
 
 // undefine to restrict windowed resolutions to conventional sizes
 #define ANY_WINDOWED_SIZE
@@ -626,7 +626,7 @@ void initprintf(const char *f, ...)
 
     Bstrcat(dabuf,buf);
 
-    if (++cnt < 16 || flushlogwindow || Bstrlen(dabuf) > 768)
+    if (++cnt < 16 || flushlogwindow || Bstrlen(dabuf) > 768 || numplayers > 1)
     {
         startwin_puts(dabuf);
         handleevents();
diff --git a/polymer/eduke32/source/actors.c b/polymer/eduke32/source/actors.c
index f3160d138..3edd7324b 100644
--- a/polymer/eduke32/source/actors.c
+++ b/polymer/eduke32/source/actors.c
@@ -2285,6 +2285,8 @@ static void G_MoveWeapons(void)
                 //                if( g_sounds[WIERDSHOT_FLY].num == 0 )
                 //                    A_PlaySound(WIERDSHOT_FLY,i);
 
+                Bmemcpy(&davect,s,sizeof(vec3_t));
+
                 if (ActorExtra[i].projectile.flashcolor)
                     G_AddGameLight(0, s->sectnum, s->x, s->y, s->z-((s->yrepeat*tilesizy[s->picnum])<<1), 2048, ActorExtra[i].projectile.flashcolor,PR_LIGHT_PRIO_LOW_GAME);
 
@@ -2299,7 +2301,7 @@ static void G_MoveWeapons(void)
                         {
                             k = A_Spawn(i,ActorExtra[i].projectile.spawns);
 
-                            Bmemcpy(&sprite[k],&davect,sizeof(vec3_t));
+//                            Bmemcpy(&sprite[k],&davect,sizeof(vec3_t));
                             /*
                             sprite[k].x = dax;
                             sprite[k].y = day;
@@ -2350,8 +2352,6 @@ static void G_MoveWeapons(void)
                     ll = s->zvel>>1;
                 }
 
-                Bmemcpy(&davect,s,sizeof(vec3_t));
-
                 A_GetZLimits(i);
                 qq = CLIPMASK1;
 
diff --git a/polymer/eduke32/source/astub.c b/polymer/eduke32/source/astub.c
index 3fae07fb7..dfa40643f 100644
--- a/polymer/eduke32/source/astub.c
+++ b/polymer/eduke32/source/astub.c
@@ -50,7 +50,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <shellapi.h>
 #endif
 
-#define BUILDDATE " 20090512"
+#define BUILDDATE " 20090522"
 
 static int32_t floor_over_floor;
 
@@ -166,10 +166,11 @@ void create_map_snapshot(void)
         while (next->prev)
         {
             next = next->prev;
-            if (next->next->sectors && next->next->sectors != next->sectors) Bfree(next->next->sectors);
-            if (next->next->walls && next->next->walls != next->walls) Bfree(next->next->walls);
-            if (next->next->sprites && next->next->sprites != next->sprites) Bfree(next->next->sprites);
+            if (next->next->sectors && (next->next->sectors != next->sectors)) Bfree(next->next->sectors);
+            if (next->next->walls && (next->next->walls != next->walls)) Bfree(next->next->walls);
+            if (next->next->sprites && (next->next->sprites != next->sprites)) Bfree(next->next->sprites);
             Bfree(next->next);
+            next->next = NULL;
         }
     }
 
@@ -265,14 +266,18 @@ void map_undoredo_free(void)
             while (next->prev)
             {
                 next = next->prev;
-                if (next->next->sectors && next->next->sectors != next->sectors) Bfree(next->next->sectors);
-                if (next->next->walls && next->next->walls != next->walls) Bfree(next->next->walls);
-                if (next->next->sprites && next->next->sprites != next->sprites) Bfree(next->next->sprites);
+                if (next->next->sectors && (next->next->sectors != next->sectors)) Bfree(next->next->sectors);
+                if (next->next->walls && (next->next->walls != next->walls)) Bfree(next->next->walls);
+                if (next->next->sprites && (next->next->sprites != next->sprites)) Bfree(next->next->sprites);
+                if (next->next == mapstate)
+                    mapstate = NULL;
                 Bfree(next->next);
+                next->next = NULL;
             }
         }
 
-        Bfree(mapstate);
+        if (mapstate)
+            Bfree(mapstate);
         mapstate = NULL;
     }
 
diff --git a/polymer/eduke32/source/config.c b/polymer/eduke32/source/config.c
index 23f307a35..991e66ae3 100644
--- a/polymer/eduke32/source/config.c
+++ b/polymer/eduke32/source/config.c
@@ -196,7 +196,7 @@ void CONFIG_SetDefaults(void)
 #endif
     ud.config.useprecache = 1;
     ud.config.ForceSetup = 1;
-    ud.config.NoAutoLoad = 0;
+    ud.config.NoAutoLoad = 1;
     ud.config.AmbienceToggle = 1;
     ud.config.AutoAim = 1;
     ud.config.FXDevice = 0;
diff --git a/polymer/eduke32/source/gamedef.c b/polymer/eduke32/source/gamedef.c
index 43db47c4a..6d52b9a54 100644
--- a/polymer/eduke32/source/gamedef.c
+++ b/polymer/eduke32/source/gamedef.c
@@ -1011,6 +1011,7 @@ void C_FreeHashes(void)
     hash_free(&labelH);
 }
 
+// "magic" number for { and }, overrides line number in compiled code for later detection
 #define IFELSE_MAGIC 31337
 static int32_t g_ifElseAborted;
 
@@ -1097,12 +1098,17 @@ static int32_t C_SetScriptSize(int32_t size)
 //        Bmemset(&bitptr[osize],0,size-osize);
         Bmemcpy(newbitptr,bitptr,sizeof(uint8_t) *((osize+7)>>3));
     }
-    else if (size < osize)
+    else
         Bmemcpy(newbitptr,bitptr,sizeof(uint8_t) *((size+7)>>3));
 
     Bfree(bitptr);
     bitptr = newbitptr;
-    script = newscript;
+    if (script != newscript)
+    {
+        initprintf("Relocating compiled code from to 0x%x to 0x%x\n", script, newscript);
+        script = newscript;
+    }
+
     g_scriptPtr = (intptr_t *)(script+oscriptPtr);
 //    initprintf("script: %d, bitptr: %d\n",script,bitptr);
 
@@ -1122,7 +1128,7 @@ static int32_t C_SetScriptSize(int32_t size)
         }
     }
 
-    if (size > osize)
+    if (size >= osize)
     {
         for (i=g_scriptSize-(size-osize)-1; i>=0; i--)
             if (scriptptrs[i])
diff --git a/polymer/eduke32/source/global.c b/polymer/eduke32/source/global.c
index e19c52666..9ab764677 100644
--- a/polymer/eduke32/source/global.c
+++ b/polymer/eduke32/source/global.c
@@ -23,7 +23,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 //-------------------------------------------------------------------------
 #include "duke3d.h"
 
-const char *s_buildDate = "20090512";
+const char *s_buildDate = "20090522";
 char *MusicPtr = NULL;
 int32_t g_musicSize;
 
@@ -115,7 +115,7 @@ char *label;
 char ActorType[MAXTILES];
 intptr_t *script = NULL;
 
-int32_t g_scriptSize = 16384;
+int32_t g_scriptSize = 1048576;
 
 char typebuflen,typebuf[141];