Voltan Escapes Cosmic Doom... © 1979 Bally Mfg.
Bally MPU AS-2518-35 (Sound Module -32)
Model Number : 1147
Main CPU : M6800 (@ 475 MHz)
Sound Chip : Custom
Released in February 1979. Only 365 units were produced.
The development of this game took 13 months (Started in January 78).