diff --git a/polymer/eduke32/source/astub.c b/polymer/eduke32/source/astub.c
index f1b963a45..23aacc89e 100644
--- a/polymer/eduke32/source/astub.c
+++ b/polymer/eduke32/source/astub.c
@@ -716,59 +716,6 @@ const char *ExtGetVer(void)
     return s_buildRev;
 }
 
-static void MultiPskyInit(void)
-{
-    int32_t i;
-
-    // new-style multi-psky handling
-    pskymultilist[0] = MOONSKY1;
-    pskymultilist[1] = BIGORBIT1;
-    pskymultilist[2] = LA;
-
-    pskymultiyscale[0] = 32768;
-    pskymultiyscale[1] = 32768;
-    pskymultiyscale[2] = 16384+1024;
-
-    for (i=0; i<3; i++)
-    {
-        pskymultibits[i] = 3;
-        Bmemset(pskymultioff[i], 0, sizeof(pskymultioff[i]));
-    }
-
-    // KEEPINSYNC with Polymer MAX OFFSET = 4
-
-    // MOONSKY1
-    //        earth          mountian   mountain         sun
-    pskymultioff[0][6]=1;
-    pskymultioff[0][1]=2;
-    pskymultioff[0][4]=2;
-    pskymultioff[0][2]=3;
-
-    // BIGORBIT1   // orbit
-    //       earth1         2           3           moon/sun
-    pskymultioff[1][5]=1;
-    pskymultioff[1][6]=2;
-    pskymultioff[1][7]=3;
-    pskymultioff[1][2]=4;
-
-    // LA // la city
-    //       earth1         2           3           moon/sun
-    pskymultioff[2][0]=1;
-    pskymultioff[2][1]=2;
-    pskymultioff[2][2]=1;
-    pskymultioff[2][3]=3;
-    pskymultioff[2][4]=4;
-    pskymultioff[2][5]=0;
-    pskymultioff[2][6]=2;
-    pskymultioff[2][7]=3;
-
-    pskynummultis = 3;
-
-    // default in game:
-    parallaxyscale = 32768;
-}
-
-
 void ExtSetupMapFilename(const char *mapname)
 {
     Bstrcpy(levelname, mapname);
@@ -806,7 +753,7 @@ void ExtLoadMap(const char *mapname)
     switch (sky)
     {
     case MOONSKY1 :
-        // keep in sync with MultiPskyInit
+        // keep in sync with G_MultiPskyInit
         //                           -v-
         Bmemcpy(pskyoff, pskymultioff[0], sizeof(pskymultioff[0]));
         break;
@@ -10610,7 +10557,7 @@ int32_t ExtInit(void)
 
     ReadHelpFile("m32help.hlp");
 
-    MultiPskyInit();
+    G_MultiPskyInit();
 
 #ifdef LUNATIC
     if (Em_CreateState(&g_EmState) == 0)
diff --git a/polymer/eduke32/source/common.c b/polymer/eduke32/source/common.c
index 04cf1d8a6..6b22242d7 100644
--- a/polymer/eduke32/source/common.c
+++ b/polymer/eduke32/source/common.c
@@ -8,6 +8,7 @@
 #include "cache1d.h"
 #include "kplib.h"
 #include "baselayer.h"
+#include "names.h"
 
 #include "common.h"
 #include "common_game.h"
@@ -140,6 +141,60 @@ const char *G_ConFile(void)
 
 //////////
 
+void G_MultiPskyInit(void)
+{
+    int32_t i;
+
+    // new-style multi-psky handling
+    pskymultilist[0] = MOONSKY1;
+    pskymultilist[1] = BIGORBIT1;
+    pskymultilist[2] = LA;
+
+    pskymultiyscale[0] = 32768;
+    pskymultiyscale[1] = 32768;
+    pskymultiyscale[2] = 16384+1024;
+
+    for (i=0; i<3; ++i)
+    {
+        pskymultibits[i] = 3;
+        Bmemset(pskymultioff[i], 0, sizeof(pskymultioff[i]));
+    }
+
+    // KEEPINSYNC with Polymer MAX OFFSET = 4
+
+    // MOONSKY1
+    //        earth          mountain   mountain         sun
+    pskymultioff[0][6]=1;
+    pskymultioff[0][1]=2;
+    pskymultioff[0][4]=2;
+    pskymultioff[0][2]=3;
+
+    // BIGORBIT1   // orbit
+    //       earth1         2           3           moon/sun
+    pskymultioff[1][5]=1;
+    pskymultioff[1][6]=2;
+    pskymultioff[1][7]=3;
+    pskymultioff[1][2]=4;
+
+    // LA // la city
+    //       earth1         2           3           moon/sun
+    pskymultioff[2][0]=1;
+    pskymultioff[2][1]=2;
+    pskymultioff[2][2]=1;
+    pskymultioff[2][3]=3;
+    pskymultioff[2][4]=4;
+    pskymultioff[2][5]=0;
+    pskymultioff[2][6]=2;
+    pskymultioff[2][7]=3;
+
+    pskynummultis = 3;
+
+    // default in game:
+    parallaxyscale = 32768;
+}
+
+//////////
+
 struct strllist *CommandPaths, *CommandGrps;
 
 void G_AddGroup(const char *buffer)
diff --git a/polymer/eduke32/source/common_game.h b/polymer/eduke32/source/common_game.h
index 559b8c258..3502560e6 100644
--- a/polymer/eduke32/source/common_game.h
+++ b/polymer/eduke32/source/common_game.h
@@ -45,4 +45,8 @@ extern void clearGrpNamePtr(void);
 extern void clearDefNamePtr(void);
 extern void clearScriptNamePtr(void);
 
+//////////
+
+extern void G_MultiPskyInit(void);
+
 #endif
diff --git a/polymer/eduke32/source/premap.c b/polymer/eduke32/source/premap.c
index 884edbeca..b9ff63d47 100644
--- a/polymer/eduke32/source/premap.c
+++ b/polymer/eduke32/source/premap.c
@@ -22,6 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "duke3d.h"
 #include "game.h"
+#include "common_game.h"
 #include "osd.h"
 #include "gamedef.h"
 #include "premap.h"
@@ -932,53 +933,6 @@ static void resetprestat(int32_t snum,int32_t g)
 
 }
 
-static void G_MultiPskyInit(void)
-{
-    int32_t i;
-
-    // new-style multi-psky handling
-    pskymultilist[0] = MOONSKY1;
-    pskymultilist[1] = BIGORBIT1;
-    pskymultilist[2] = LA;
-
-    pskymultiyscale[0] = 32768;
-    pskymultiyscale[1] = 32768;
-    pskymultiyscale[2] = 16384+1024;
-
-    for (i=0; i<3; i++)
-    {
-        pskymultibits[i] = 3;
-        Bmemset(pskymultioff[i], 0, sizeof(pskymultioff[i]));
-    }
-
-    // MOONSKY1
-    //        earth          mountian   mountain         sun
-    pskymultioff[0][6]=1;
-    pskymultioff[0][1]=2;
-    pskymultioff[0][4]=2;
-    pskymultioff[0][2]=3;
-
-    // BIGORBIT1   // orbit
-    //       earth1         2           3           moon/sun
-    pskymultioff[1][5]=1;
-    pskymultioff[1][6]=2;
-    pskymultioff[1][7]=3;
-    pskymultioff[1][2]=4;
-
-    // LA // la city
-    //       earth1         2           3           moon/sun
-    pskymultioff[2][0]=1;
-    pskymultioff[2][1]=2;
-    pskymultioff[2][2]=1;
-    pskymultioff[2][3]=3;
-    pskymultioff[2][4]=4;
-    pskymultioff[2][5]=0;
-    pskymultioff[2][6]=2;
-    pskymultioff[2][7]=3;
-
-    pskynummultis = 3;
-}
-
 static inline void G_SetupBackdrop(int16_t sky)
 {
     static int32_t multiskiesinited=0;