diff -up BlockOutII-2.3/BlockOut_GL/Utils.cpp~ BlockOutII-2.3/BlockOut_GL/Utils.cpp
--- BlockOutII-2.3/BlockOut/Utils.cpp~	2007-11-25 23:01:12.000000000 +0100
+++ BlockOutII-2.3/BlockOut/Utils.cpp	2007-11-25 23:01:12.000000000 +0100
@@ -162,13 +162,7 @@ BOOL CheckEnv() {
     return FALSE;
   }
     
-  char *blockoutHome = getenv("BL2_HOME");
-  if( blockoutHome==NULL ) {
-    printf("BL2_HOME environement variable if not defined !\n");
-    printf("Please set the BL2_HOME to the BlockOut II installation directory (ex: BL2_HOME=/usr/local/bl2).\n");
-    return FALSE;
-  }
-  strcpy( bl2Home , blockoutHome );
+  strcpy( bl2Home , "/usr/share/blockout2" );
     
   char bl2Dir[512];
   sprintf(bl2Dir,"%s/.bl2",homePath);