One Connected Platform. One Global Mahjong Community.
The Mahjong Pantheon is an integrated ecosystem of applications developed by Limit Cycle Entertainment Systems LLC to modernize how mahjong is played, organized, taught, and experienced.
Built around the Zung Jung Movement Competition Rules (ZJMCR), Mahjong Pantheon connects physical and online gameplay through a unified platform for players, clubs, tournament organizers, and competitive communities.
Whether you’re learning mahjong for the first time, competing in ranked matches, managing a local club, or organizing international tournaments, Mahjong Pantheon provides the tools to support every stage of your journey.
Explore the Ecosystem
Mahjong Hero — Play Anywhere
Mahjong Hero brings Zung Jung Mahjong to life through a modern, cross-platform gaming experience designed for newcomers, casual players, and competitive enthusiasts alike.
Powered by Mahjong Maestro, Hero delivers authentic gameplay based on the Zung Jung Mahjong Official Rules (ZJMOR), with consistent scoring, rules enforcement, and competitive standards across every match.
Learn the game through interactive tutorials, sharpen your skills against AI opponents with multiple difficulty levels and playing styles, or challenge players worldwide through online multiplayer. Choose between casual matches, private rooms with friends, and ranked competition featuring timed turns and competitive matchmaking.
Personalize your experience with customizable tables, tile designs, player profiles, avatars, banners, and character voices. Whether you prefer an immersive 3D mahjong table or a streamlined 2D presentation, Hero lets you play your way.
Integrated with Mahjong Keeper and Mahjong Caddie, Hero connects your digital achievements, competitive ratings, and player progression with the broader Mahjong Pantheon ecosystem.
Through Mahjong Boss, players can also participate in organized online tournaments, compete for prizes, and represent their communities in team-based competitions.
Available across mobile, desktop, and web platforms, Mahjong Hero makes Zung Jung Mahjong accessible wherever you play.
Learn the Game. Master the Table. Become a Hero.
Mahjong Caddie — Your Personal Mahjong Companion
Mahjong Caddie is an all-in-one platform for playing, scoring, organizing, and tracking mahjong, connecting the physical table to the Mahjong Pantheon ecosystem.
Powered by Mahjong Maestro, Caddie simplifies game management with camera-assisted hand scoring, automatic score calculation, customizable game timers, hand histories, and the ability to review and rescore previous hands.
Beyond scoring, Caddie provides comprehensive player profiles, performance analytics, competitive ratings powered by Glicko-2, achievements, leaderboards, and detailed statistics that help players track their progress over time.
Integrated with Mahjong Boss, Caddie also serves as a gateway to the organized mahjong community. Players can discover clubs, browse upcoming events, register for tournaments, purchase tickets, manage memberships, and check in at events directly through the app.
Caddie connects seamlessly with Mahjong Hero, allowing players to maintain a unified competitive identity across physical and online play. Whether you’re competing at a local club, participating in a sanctioned tournament, or playing digitally, your competitive journey remains connected.
Available on iOS and Android, Mahjong Caddie brings scoring, statistics, event management, and community participation together in one application.
Score Smarter. Play Better. Stay Connected.
Mahjong Boss — Organize Your Community
Mahjong Boss is a comprehensive management platform designed to give mahjong clubs, tournament organizers, and community leaders the tools they need to build, manage, and grow their organizations.
From casual weekly gatherings to large-scale international competitions, Boss brings event management, membership administration, ticketing, payments, and competitive tournament infrastructure together in one centralized system.
Create and publish events, manage registrations and attendance, collect payments, offer memberships, and maintain a public club presence through customizable pages and integrated event calendars.
For competitive organizers, Boss provides tournament administration tools supporting individual competitions, team leagues, seasonal events, and officially sanctioned Zung Jung Mahjong tournaments. Integrated leaderboards, competitive ratings, achievements, and historical records help clubs build lasting competitive communities.
Boss connects directly with Mahjong Caddie, allowing players to discover clubs, register for events, purchase tickets, and manage their participation from their phones. Tournament results flow into Mahjong Keeper, maintaining unified competitive records across the ecosystem.
Through Mahjong Hero, Boss extends tournament organization into the digital world, enabling online competitions and team-based leagues. Its integration with Mahjong Judge supports certified tournament officials and standardized competitive oversight, while Mahjong Valet provides Discord-based community engagement, tournament communications, and correspondence mahjong.
With optional premium features and scalable pricing, Mahjong Boss is designed to serve organizations of different sizes, from emerging local clubs to established competitive institutions.
Build Your Club. Run Your Events. Grow Your Community.
Mahjong Valet — Your Digital Mahjong Assistant
Mahjong Valet brings Zung Jung Mahjong directly to Discord through correspondence mahjong, interactive training, and community integration.
Play asynchronous mahjong matches with friends at your own pace, receiving turn notifications, game updates, and automated reminders directly through Discord. Continue your matches whenever you’re available without requiring everyone to be online simultaneously.
Improve your skills through interactive quizzes, defensive training exercises, and scoring challenges designed to strengthen your understanding of Zung Jung Mahjong.
Integrated with Mahjong Boss, Valet extends your mahjong community beyond the physical table and into Discord.
Mahjong Judge — Establishing Competitive Standards
Mahjong Judge is the official certification platform for ZJMCR and a companion application to Mahjong Boss.
Through a standardized, open-book examination, players and tournament officials can demonstrate their knowledge of Zung Jung Mahjong rules, scoring, and competitive procedures.
Certified judges receive a credential displayed in Mahjong Caddie, allowing organizers and players to identify qualified officials.
Integrated with Mahjong Boss, Mahjong Judge supports tournament administration and competitive integrity. Tournaments with a certified judge present qualify for a 1.2× competitive rating multiplier, recognizing events conducted under qualified supervision.
Standardized Certification. Trusted Competition.
Mahjong Maestro — The Engine Behind the Experience
Mahjong Maestro is the centralized game engine powering Mahjong Hero, Mahjong Caddie, Mahjong Judge, and Mahjong Valet.
Built in Rust, Maestro provides a shared implementation of ZJMCR, ensuring consistent scoring, rules enforcement, and game validation across the ecosystem.
Whether you’re competing in an online match in Hero, scoring a physical game with Caddie, completing a certification examination in Judge, or playing correspondence mahjong through Valet, Maestro provides the underlying game logic.
By maintaining a single authoritative rules engine, Mahjong Maestro eliminates inconsistencies between applications and ensures that physical and digital mahjong follow the same competitive standard.
One Engine. One Ruleset. Consistent Competition.
Mahjong Keeper — Every Match Matters
Mahjong Keeper is the central server infrastructure powering the Mahjong Pantheon ecosystem.
Serving as the foundation connecting Mahjong Hero, Caddie, Boss, Valet, and Judge, Keeper manages player identities, competitive records, ratings, achievements, and shared data across the platform.
Its integrated Glicko-2 rating system tracks competitive performance, while unified player profiles allow achievements and progression to carry across supported applications.
By connecting physical and digital mahjong through a shared infrastructure, Mahjong Keeper transforms separate applications into one cohesive ecosystem.
One Account. One Competitive Record. One Connected Ecosystem.
One Identity. One Competitive Journey.
Mahjong Pantheon is designed to connect experiences that have traditionally existed separately.
Play online with Mahjong Hero. Record physical games with Mahjong Caddie. Compete in tournaments organized through Mahjong Boss. Track your achievements and ratings through Mahjong Keeper.
Your competitive identity follows you across the ecosystem.
Building the Future of Zung Jung Mahjong
Mahjong Pantheon is more than a collection of applications. It is an investment in the long-term development of Zung Jung Mahjong as an accessible, organized, and internationally competitive game.
By providing the infrastructure for learning, playing, organizing, and competing, our mission is to remove barriers to participation and give communities the tools to grow.
One Standard. One Ecosystem. A World of Mahjong.