Zrf.vim is a project mainly written in Vim Script, it's free.
Syntax file for Zillions of Games' ZRF
This is a mirror of http://www.vim.org/scripts/script.php?script_id=805
This is a syntax file for proper highlighting of Zillions Rule Files (ZRF) which are used to describe games in Zillions of Games. Zillions of Games is a universal gaming environment that allows the definition of new games by the user. For more details simply visit http://www.zillionsofgames.com.