As of 2024-2025, new developments are emerging. An open-source project called (a reimplementation of the engine in SDL2) is under development. This will eventually lead to:
Enter the —a suite of fan-made tools, hex editors, and community-driven utilities that allow you to break the shackles of the pre-programmed campaign and design your own ball-dropping, frog-twirling nightmares. Zuma Deluxe Level Editor
The "curves" (the paths the balls follow) are stored as .dat files in individual level folders. As of 2024-2025, new developments are emerging