There is a new version of the mod available here: https://jkhub.org/files/file/2306-zyk-openjk-mod/
This is a RPG mod, with level system, credits, quests, admin commands, and more.
You can see more info about the mod and installation instructions in the README.txt file.
You can see info about the console commands and features in the Documentation.txt file.
THIS FILE IS NOT MADE, DISTRIBUTED, OR SUPPORTED BY ACTIVISION, RAVEN SOFTWARE, OR LUCASARTS ENTERTAINMENT COMPANY LLC. ELEMENTS™ & © LUCASARTS ENTERTAINMENT COMPANY, LLC AND/OR ITS LICENSORS.