Zandronum

A portable version of the classic first‑person shooters Doom and Doom II that focuses on multiplayer gameplay. It enables players to connect and compete or cooperate in the original game levels using modern networking features while preserving the core experience of the 1990s titles. The software is built for macOS and is considered stable for regular use.

It is aimed at fans of the Doom series who want to play the games with others over a network rather than solo, as well as developers or hobbyists interested in experimenting with the engine’s multiplayer capabilities. The project provides the necessary code and tools to run Doom‑based sessions on contemporary macOS systems without requiring the original binaries.

Distinctively, the port emphasizes multiplayer support, offering a dedicated environment for networked matches while maintaining compatibility with the original game assets. Its stability and macOS focus make it a practical choice for users seeking a reliable multiplayer experience of Doom and Doom II.