![Grand Lizard [Model 523]](images/marquees/4658.jpg "Grand Lizard [Model 523]")
Grand Lizard © 1986 Williams Electronics Games, Incorporated.
Williams System 11
Model Number : 523
Main CPU : M6808 (@ 1 MHz)
Sound CPU : Motorola M6809 (@ 2 MHz), OKI M6808 (@ 1 MHz)
Sound chips : (2x) DAC, (2x) HC55516
2,750 units were produced.
Originally, the backglass was to have the standard numeric-only display windows. When the game went into production, the backglass was redesigned to incorporate new alphanumeric displays, and its artwork was changed.
Initial backglass and playfield artwork was done by Paul Faris. Final production backglass artwork was done by Python Anghelo.