The DOS version for early computers is a one-on-one dogfighting simulator with 3D wire-frame model graphics; versus more traditional sprite-based graphics and straightforward gameplay of the NES version. The game has a two- and one-player modes; in the later, the opposing aircraft is flown by the computer.
Each game uses different controls, most DOS games use the keyboard arrows. Some will use the mouse , "Alt" ,"Enter" and "Space bar".