3D Combat Zone , released on January 1, 1979 for the ZX Spectrum, is a simulation game set in World War I. Players control an aircrew, piloting aircraft and participating in dogfights against enemy planes.
The gameplay revolves around the management of an airbase, including the recruitment of pilots, maintenance of equipment, and strategic planning to gain a tactical advantage over the enemy. The player's goal is to protect their base while also trying to take down as many enemy planes as possible.