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Exult also optionally includes Exult Studio, which is slowly growing into a very complete and complex tool for modifying the game - even while the game is running. Also included are many command-line tools for manipulating game files. The editor is built as a separate program that can interface with a running instance of Exult. Changing data files is done in Exult Studio window, while the game world - everything from terrain to objects, creatures and their schedules - can ...

See also:

Exult, Exult - Exult Studio

Read more here: » Exult: Encyclopedia II - Exult - Exult Studio