Atlantic Fleet is a turn-based tactical and strategic simulation game that immerses players in the naval combat of WWII. Players can choose to command either the Allies or the Kriegsmarine, engaging in the historic Battle of the Atlantic. The game features a variety of naval units, including surface ships, submarines, and aircraft, allowing for diverse strategic gameplay. With 30 historical single missions and a Custom Battle editor, players can create unique scenarios and experience the intricacies of naval warfare.

The game offers a comprehensive Dynamic Campaign mode where players must manage limited resources and navigate real-world weather conditions. Each navy has its own 50 mission campaigns, providing extensive replayability. Atlantic Fleet challenges players to protect convoys or launch offensive operations against enemy forces, making it a detailed and engaging simulation of naval warfare in one of history's most significant conflicts.