Free-to-Play Browser MMO

Build Your Criminal Empire

Step into a brutal, unforgiving world where only the ruthless survive. Forge dangerous alliances, manage criminal enterprises, and dominate the underworld through strategy and calculated violence.

Free To Play
24/7 Live World
7 Global Cities
100+ Game Features

Build Your Criminal Legacy

Choose your path to power through multiple gameplay styles

Criminal Empire & Business Management

Build and manage both criminal operations and legitimate businesses. Run illegal enterprises, control territories, and establish legitimate companies like salvage yards and bullet factories for steady income.

  • Manage criminal and legitimate businesses
  • Control valuable city territories
  • Hire and manage employees
  • Generate passive income streams
CosaNostra business management interface showing criminal enterprises and legitimate companies

Organizations & Territory Warfare

Join powerful criminal organizations or create your own. Form strategic alliances, engage in territory wars, and coordinate large-scale operations to dominate city districts.

  • Create or join criminal organizations
  • Fight for territory control
  • Coordinate strategic operations
  • Earn daily territory bonuses
CosaNostra organization management and territory warfare map

Strategic Combat & Heist Operations

Engage in calculated combat encounters with detailed damage calculations and orchestrate elaborate heists. Build your arsenal through crafting, train your skills, and take on high-stakes criminal operations.

  • Strategic combat with hit locations
  • Plan and execute complex heists
  • Craft rare weapons and equipment
  • Team-based criminal operations
CosaNostra strategic combat system with hit locations and damage calculations

Deep Game Systems

Complex mechanics that create endless possibilities

Character Progression

Develop your character through multiple skill trees and specializations. Master different criminal disciplines and improve physical attributes at gyms.

Dynamic Economy

Participate in a player-driven economy with banking, investments, and black market trading. Manage multiple income streams from crimes and businesses.

Global Cities & Travel

Explore multiple cities worldwide, each with unique opportunities. Travel between cities, own properties globally, and expand your criminal network.

Advanced Crafting

Use blueprints to craft unique weapons, armor, and tools. Combine modular components for customized attributes and discover rare items.

Property & Housing

Build your real estate empire with apartments, mansions, and private islands. Install upgrades like vaults and security systems for protection.

Achievements & Reputation

Earn achievements across multiple categories, unlock prestigious Omerta Seals, and build your reputation in the criminal underworld.

See the Underworld

A glimpse into life on the streets

CosaNostra player dashboard showing stats, missions, and criminal empire overview
CosaNostra combat encounter with hit location targeting system
CosaNostra city view with territory control and local businesses

More Criminal Activities

Diverse gameplay to suit every criminal style

Casino & Gambling

Test your luck in BlackJack, Poker, Craps, and more. Manage your own casino properties and compete for gambling achievements.

Inventory & Vaults

Master the inventory system where space management matters. Organize weapons, medical supplies, tools, and crafting components.

Social & Diplomacy

Form marriages, build relationships, and navigate complex organization politics. Every alliance — and betrayal — shapes your story.

Live Notifications

Stay informed with real-time alerts for combat, financial updates, achievement unlocks, and events that keep you connected to the action.

Join a Thriving Criminal Community

Connect with players from around the world. Form lasting alliances, engage in political intrigue, and participate in large-scale operations that shape the game world.

Real-Time Communication

Global, trade, organization, and private chat channels with persistent message history.

Competitive Rankings

Compete for top positions in multiple leaderboards, seasonal events, and achievement rankings.

Complex Diplomacy

Navigate trust, betrayal, and political relationships that affect your gameplay and reputation.

CosaNostra community features showing chat, leaderboards, and organization management

Ready to Build Your Criminal Empire?

Join the ultimate text-based MMO where every decision matters. Build your legacy through strategy, alliances, and calculated violence.

Open Beta Expected 2025 — Free to Play Browser Game