Having one object path with different avatars.dat files for different worlds : At the moment the only solution for the object host is to use separate dummy directories for your worlds, all containing only the avatars folder and one file called .htaccess, where the Apache rewrite engine is enabled for all other folders. The really big disadvantage over the client sided solution that you describe is, that the browsers will not see the redirected directories and keep all worlds in separate cache folders. But for those who are interested, here a brief description of how it works (example) : 1. the common folders : /obj/avatars/ /obj/models/ /obj/textures/ /obj/sounds/ /obj/seqs/ 2. The avatars.dat file for world A : /obja/avatarsa.zip 3. the file for world A : /obja/.htaccess that has to be uploaded in text mode(!) RewriteEngine On RewriteBase /obja RewriteRule ^(avatars\avatars.zip)$ /obja/avatarsa.zip [S=10] RewriteRule ^(models\/.*)$ /obj/$1 [S=10] RewriteRule ^(avatars\/.*)$ /obj/$1 [S=10] RewriteRule ^(textures\/.*)$ /obj/$1 [S=10] RewriteRule ^(sounds\/.*)$ /obj/$1 [S=10] RewriteRule ^(seqs\/.*)$ /obj/$1 [S=10] RewriteRule ^(.*)$ /obj/$1 4. The object path entry for World A : www.host.dom/obja It is not really a solution, it is just a weak workaround ======================================================================== For those who cannot use this method (no Apache or mod_rewrite disabled) this might be a solution : Create a file "op1.php" in your OP base directory with these lines : plus an avatars1.zip for this OP. Entry in the world options : server.com/path/op1.php? with a trailing question mark and no spaces behind that (!) For the second world "server.com/path/op2.php?" : and so on ... Thanks to King Marius for testing :) ======================================================================== If the above script gives you object errors, use this one instead :