European War 6: 1804 is a historical strategy game set in the aftermath of the American War of Independence. Players can engage in over 90 famous battles across 10 chapters, featuring notable generals like Napoleon and Washington. The game allows users to choose their generals, promote their ranks, and train special units while also managing military facilities, cities, and technology to enhance their strategic capabilities. The campaign mode offers a rich narrative experience with historical events impacting gameplay.

In addition to the campaign, European War 6: 1804 includes a multiplayer mode that enables players to battle each other via Wi-Fi or Bluetooth. Players can challenge various countries with different difficulty levels and strive for higher scores to unlock special rewards. The game features improved graphics, cloud archive support, and a comprehensive range of units and technologies, making it a robust and engaging experience for strategy enthusiasts.