MCCodes is THE definitive mafia MMORPG engine that dominated the genre from 2008-2012 and became the foundation for 100+ derivative games. With professional database abstraction, comprehensive staff panel (15 modules), PayPal integration, CAPTCHA validation, and complete gameplay systems (gangs, combat, crimes, economy, education, forums), it represents the "WordPress of mafia games" - an industry standard. Active MCCodes marketplace, 50K+ forum posts, and thriving mod community established it as THE reference implementation. However, exposed production credentials (death/weetabix999) and MD5 password hashing show era-appropriate but outdated security. Historically CRITICAL artifact - study its architecture, understand why it succeeded, but update security before deployment. This is what every mafia game comparison references.