Gley Lancer also known as Advanced Busterhawk Gley Lancer, is a 1992 scrolling shooter developed and published by Masaya for the Sega Mega Drive.

The gameplay in Gley Lancer is similar to most shoot 'em up games on the Mega Drive. During the game, the Gley Lancer can toggle through four different speeds. This is always done in a 1-2-3-4-3-2-repeat order, although the starting point can be chosen in the game options. By shooting silver and blue pods, the player can pick up various weapons which take the form of Gunners: