Project.zomboid.v41.78.13.zip May 2026

: Build 41.78 is often considered a "golden version" for modding, similar to specific versions of Minecraft, because of the sheer volume of high-quality mods built for it before the transition to Build 42.

: Developers later discovered security vulnerabilities in Build 41 that could allow malicious mods to execute arbitrary code. This led to the removal of many older Build 41 versions from Steam's beta branches. Project.Zomboid.v41.78.13.zip

Fixed a farming menu bug that capped watering capacity at 50 units instead of 100 for multiple squares. : Build 41

: Added the AllowCoop server option to explicitly allow or disallow splitscreen clients. Fixed a farming menu bug that capped watering

Addressed an exploit where sleeping pills weren't correctly accounted for when trying to sleep while panicked.

: As of April 2026, the final stable version of the Build 41 branch is 41.78.19 , which includes critical security hotfixes.