Title	Label	Cover
Amstrad CPC
	Quartet · Cassette · 1987 · AC09	The Hit Squad
	Quartet · Cassette · 1987	Electric Dreams
	Quartet · Floppy Disk 3' · 1987	Electric Dreams
	Quartet · Cassette · 1987	Activision
	Quartet · Floppy Disk 3' · 1987	Activision
	Quartet · Floppy Disk 3' · 1987	Proein Soft Line
	Quartet · Cassette · 1987	Proein Soft Line
Commodore 64/128
	Quartet · Cassette · 1987	Activision
	Quartet · Floppy Disk 5'25 · 1987	Activision
	Quartet · Cassette · 1990	The Hit Squad
ZX Spectrum
	Quartet · Cassette · 1982	Vortex
	Quartet · Cassette · 1984	Proein Soft Line
	Quartet · Cassette · 1984	IBSA
	Quartet · Cassette · 1987	Activision
	Quartet · Cassette · 1990	The Hit Squad

Wikipedia

Quartet (?????) is a 1986 video game released in arcades by Sega in 1986. Quartet allows one to four players to guide a set of characters through a base taken over by an army of robots. Players control either Joe (yellow), Mary (red), Lee (blue), or Edgar (green) across a number of sideways-scrolling levels. The object of the game is to advance through the level, fighting opponents that come out of portals in the walls, and eventually defeat a boss that carries the door key used to open the "exit door" for the level.

Credits

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