The Zombie Nation MUD (ZNMud) Engine is a Multi-User Dungeon (MUD). This is written 100% in Ruby and based off of Teensy MUD. This has a full fight system and MXP and an OLC. Core engine primarily focuses around Zombies, of course

• Development Status: 3 - Alpha
• Intended Audience: Developers
• License: GNU General Public License (GPL) version 3
• Natural Language: English
• Operating System: OS Independent
• Programming Language: Ruby
• Topic: Multi-User Dungeons (MUD)