Another live-actor arcade shooter by American Laser Games (makers of Mad Dog McCree and Crime Patrol), Who Shot Johnny Rock? is set in the classic 1920's style gangster era.
You're supposed to find out who shot singer Johnny Rock (or at least who hired the guys who shot him) and put them behind bars.
The gameplay involves shooting targets, including gangsters, using a light gun. You'll need to hit your targets quickly and accurately to progress through the levels. The game features a unique twist on the typical arcade shooter formula, with limited ammo and a focus on managing your cash supply.