Build the most powerful clan and dominate the underworld!

Gunfire and explosions, robberies and assassinations run rampant—these are the brutal truths of this life...

A city of sin, shrouded in black fog...

Boss, you're back!

The fate of your city rests in your hands!

The Grand Mafia is a massive multiplayer online real-time strategy game. As one of the greatest bosses in the underworld, establish your own clan and recruit legendary heroes to build a formidable armed force. Employ diverse tactics to crush your enemies and expand your territory. Forge alliances with other clans to seize control of the entire city and claim the ultimate power in the world!

▶ Real-time global PvP battles

Witness real clan wars unfolding around the world! See every battle in the city with your own eyes. Will you fight alongside others or exploit their weaknesses? Challenge rival mafia bosses or form the world's strongest alliance with them? The choice is yours, boss!

▶ Diverse clan features—unite and climb the ranks

Clan wars, mayoral races, governor battles, even the fight to become one of the world's Top 10 Godfathers... In the mafia world, forming a clan is the best way to boost your strength. With brotherhood loyalty as deep as the sea, clan members share resources, defend each other's mansions, and take on missions together! Lead a clan, build a mighty city with your allies, and triumph in street fights to earn legendary achievements!

▶ Seamless world map switching—explore the battlefield freely

Upgrade your radar to explore the city and expand your turf! Dispatch elite troops to eliminate enemies, challenge street bosses, or raid resource sites for rewards! The secrets of the underworld await you, boss. If you're ready to rule it all, rise to the top now!

▶ Construct buildings, gather resources, and boost combat power

Upgrade your mansion and equip defensive weapons. Invest in economic ventures and conduct covert deals. To strengthen your forces, you must plan strategically to maximize local resources. You're no longer a spectator—you're the Godfather who rules the underworld!

▶ Master strategy—member synergy, formations, and gear

Secure victory by freely combining 4 unit types and 6 formations: Rioters, Gunners, Bikers, and Armored Vehicles! No matter how the battlefield shifts, one truth remains: whoever masters tactics, rules the world!

▶ Unique hero skills and immersive 3D battle replays

Experience gritty streets, free exploration, and a fully realized city of sin! Collect rare heroes, form the ultimate 5-member squad, deliver a decisive blow to enemies, and turn them into your secret weapon to victory! Feel the intensity of real combat—hero-exclusive skills and detailed 3D simulations bring every moment to life: thrilling street fights, sieges, assaults, clashes, and tactical retreats!

▶ Alluring companions and related content

A murky, illusory city of shadows, where a single red rose blooms… Don't be deceived by their captivating appearances! Only by mastering their powerful abilities can you rule both the underworld and the surface, becoming a true mafia legend!

Official email: [email protected]

Official Facebook: @TheGrandMafiaKR

Naver Cafe: The Grand Mafia Official Cafe

Official KakaoTalk Channel: The Grand Mafia

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● Notice

※ This app is free to download and offers optional in-app purchases.

※ Gaming addiction can be harmful. Please play responsibly.

※ This game contains intense violence (e.g., blood effects from weapons), strong language, and characters in revealing outfits.