Jokerz! © 1988 Williams Electronics Games, Incorporated.
Williams System 11B
Main CPU : M6808 (@ 1 MHz)
Sound CPU : Motorola M6809 (@ 2 MHz), OKI M6808 (@ 1 MHz)
Sound chips : Yamaha YM2151 (@ 3.579545 MHz), (2x) DAC, (2x) HC55516
This game uses a special stereo version of the audio board which is not compatible with any other System 11 game.
On the backglass, the joker is artist John Youssi.