Ace Combat 5: The Unsung War, also known as Ace Combat 5: Squadron Leader, is a simulation game available on PlayStation 4. With over 50 licensed planes and 30 missions, players are in for a thrilling experience. The game features various combat scenarios like air-to-air, air-to-ground, air-to-sea assaults, rescue and recon missions. The game boasts ultra-realistic graphics and cinematics that add to the intensity of the gameplay. The game introduces a new feature called Wingman Command, where players can issue directives to their wingmen mid-mission to carry out group attacks. The in-game radio communications with the squadron and enemies add to the realism of the game.

In Ace Combat 5: The Unsung War, the story takes place on Sand Island, a small island in the Ceres Ocean, on September 23, 2010. The entire military base is on red alert as the 108th Tactical Fighter Squadron intercepted an unidentified aircraft and the entire squadron was decimated. As a fighter pilot, players are called into action to protect their nation of Osea. The game's storyline is intense and engaging, and the gameplay is challenging and exciting.