CraftGames is a Minecraft plugin running on Paper. You can make your own games by writing script in groovy language.
Not available at the moment!
Download package will be released when it's ready.
If you want to start scripting, please refer to Javadoc
where it covers all the functions and events available to be used in script.
Also don't forget to check out the official wiki for handy reference.
If you're a developer, you're allowed to integrate CraftGames into your own project. Refer the wiki for in depth instruction.