Jul 27, · New Vegas Script Extender v beta 01 by Ian Patterson, Stephen Abel and Paul Connelly (ianpatt, behippo and scruggsywuggsy the ferret) The New Vegas Script Extender, or NVSE for short, is a modder's resource that expands the scripting capabilities of Fallout: NV. Maybe I am too stupid but it is possible to use NVSE if steam is in offline mode or is nvse unusable without steam? I dont know this exactly and I was glad about a reply. Download NVSE Extender for free. Extended functions for the New Vegas Script Extender. NVSE plugin to add functionality including creating per-reference associative arrays, checking the skeleton in use by an actor, and so slicelive.coming System: Windows. Jan 05, · Fallout 3 Regular Mods / Others/ NVSE Extender (aka NX) location instead of Fallout New Vegas downloads section. At least I believe that was what DoctaSax was referencing. 0. 17 rows · Mar 11, · New Vegas Script Extender v.2 is a tool for Fallout: New Vegas created by .