Hercules (19xx)(Alpha Omega)[HERCULE Start]
Hercules (19xx)(Alpha Omega)[a][HERCULE Start]
Hercules (1986)(Alpha-Omega Software)
Hercules (198x)(Alpha Omega Software)
Omega Probe (19xx)(Mark Smiddy)[OMEGA Start]
Omega Probe (19xx)(Mark Smiddy)[a][OMEGA Start]