Plenty of downloads still for this: So the .sbsar files won't work natively in 2018.x or above. If you get the Substance in Unity package, then they will, but I won't be updating any of my helper scripts to work with it, as supporting a 3rd party tool is not something I really want to do, esp. with the really rocky start the plugin had. All the textures will work just fine in any version, and 2017.x is still available for download for anyone who wants to work w/ my .sbsar files -- plus those w/ Substance Designer can work with them as well in that application. On my to-do list is to add more to this pack.