Scripting

Much, if not most of the scripting engine behind Neverwinter Nights 2 will be identical to the one in Neverwinter Nights. Most likely you will be able to port scripts from NWN1 to NWN2 quickly. Of course, references to creatures or items are likely to change between the two games, so it can be expected that changes will have to be made to custom scripts.

Similarly, as the original scripts are likely to have been rewritten, any custom or modified scripts that govern AI or basic game elements are likely to require some work.