Originally Posted by usual

I want to know if NSN groups for news addon 600 works with NSN groups 650.

I'm not sure if i understand what you mean by this, NSN Groups 600 is meant to be used on PHP-Nuke 6.0 and the newly released NSN Groups 650 is for PHP-Nuke 6.5, the only addons i have seen for NSN Groups are NSN Archives and a block, NSN Archives is available for NSN Groups 650.