Airforce Delta known as Deadly Skies in Europe, is a combat flight simulation game released in 1999 for the Dreamcast and the first in the Airforce Delta series. It was both developed and published by Konami. The game is a 3D aerial combat simulation, featuring many jet fighter aircraft. The game is single player only and has been compared to Ace Combat by GameSpy and GameSpot. At the time of the game's release, Airforce Delta was the only combat flight simulation game available for the Dreamcast.