The space in each world is divided into segments called boards. These games, called worlds, usually have all their code contained in one file with a. ZZT is not playable by itself it is an interpreter through which ZZT games can be played. The ZZT-OOP language is an integrated part of ZZT as a result, in order to write a program in ZZT-OOP, you must have some familiarity with ZZT. However, the original ZZT 3.2 continues to be the most widely used. ZZT has even inspired various other fan-created game creation systems, such as ZIG and MegaZeux. Many attempts have been made in recent years to improve the program, ranging from hacking the ZZT executable itself to writing emulators that work like ZZT, except with a few new features. Despite its age, ZZT continues to draw a following, and an online community based around it still exists today. In 1997, Epic decided to release ZZT and the four games that came with it as shareware, due to the program's being severely outdated in both graphics and sound. The source code for the original was lost, putting a stop to the development of any further versions, although it was eventually reconstructed through reverse engineering many years later in 2020. A sequel to ZZT with more advanced features was made, called Super ZZT, but it never had the success of its predecessor. After version 3.2 (the version considered to be the 'official' ZZT), Tim Sweeney discontinued development, moving on to other projects, such as Jill of the Jungle. It was Epic's first release although it was not terribly successful, it did gain some attention.

The language was created by Tim Sweeney of Epic MegaGames (now Epic Games). ZZT-OOP is a primitive object-oriented scripting language used by the DOS game creation system ZZT.

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