Six-Gun Shootout

Six-Gun Shootout (shown on the title screen as Sixgun Shootout) is a 1985 video game written by Jeff Johnson for the Atari 8-bit family and published by Strategic Simulations.
Gameplay.
"Six-Gun Shootout" is a game in which man-to-man combat is simulated in the days of the Wild West.
Reception.
Johnny Wilson reviewed the game for "Computer Gaming World", and stated that "SG is an relatively simple, fast-moving and enjoyable game. It is satisfying and clear-cut in its determination of victory points and victory."