Air Conflicts: Secret Wars is an arcade flight simulation game that takes place during the World War I and II era. The game offers seven campaigns with 49 missions, and the player can choose from different aircraft that have unique strengths and weaknesses. The missions include patrolling, sneaking, hit & run, bombing, and escorting, and the objectives are presented as dialogues between different characters.

The game offers two control schemes, arcade, and simulation. The arcade control scheme is easier to control, while the simulation gives more options to control the aircraft. After completing some missions, the player can upgrade one of their skills to maneuver the airplanes easier, have more endurance, or have their wingman boosted. Air Conflicts: Secret Wars also features several multiplayer modes, local, and via the internet for up to four players.

The game has over twenty different landscapes, each individually detailed with period precision. The player can pilot more than 16 individual aircraft in both World War One and World War Two settings. The gameplay is action-packed, delivering the excitement of serial combat in a manner accessible to everyone. More than 48 varied missions provide combat, stealth, and exploratory gameplay.