Ace Combat Zero The Belkan War is the sixth installment in the Ace Combat series for PlayStation 2, focusing on the Belkan War, a pivotal conflict referenced in Ace Combat 5. Players assume the role of a mercenary pilot known as Cipher, engaging in various aerial missions. The narrative unfolds through a reporter's retrospective interviews with surviving pilots, revealing hidden truths about the war.
The sixth installment in the Ace Combat series explores the Belkan War, a devastating conflict alluded to in Ace Combat 5. In the game's main story mode, the player takes control of a mercenary pilot, callsign "Cipher", taking part in the Belkan War by advancing through aerial combat, escort, assault, and defense missions. The story is told through the eyes of a reporter, 10 years after the conflict, uncovering secrets of the war by interviewing some of the pilots the player shoots down.