The is a critical, open-source implementation of the Java Development Kit (JDK) provided by Azul Systems . Because Project Zomboid is written in Java , it relies on this platform to run on 64-bit systems.
: Users often observe high CPU or memory usage associated with the Zulu process, particularly when hosting servers or running demanding mods. Common Updated Issues (2025–2026) zulu platform x64 architecture project zomboid updated