This version of Cadillacs and Dinosaurs, dating back to 930201, is a set 1 version utilizing a PIC16c57 microcontroller. The 'No sound' designation indicates a technical issue, likely stemming from a hardware or software problem related to the sound chip. This would affect the audio experience during gameplay.  While still maintaining the core beat 'em up gameplay of the original Capcom title, the sound deficiency distinguishes it. Capcom is the original developer.

Cadillacs and Dinosaurs (version set 1 (with PIC16c57), 930201 etc)

Cadillacs & Dinosaurs (930223 Asia TW)