Adventure Number 03 - Secret Mission (1985)(Adventure International)[a] ROM Download for ZX Spectrum (TAP). Adventure Number 03 - Secret Mission (1985)(Adventure International)[a] game is available to play online and download only on Roms Games. Adventure Number 03 - Secret Mission (1985)(Adventure International)[a] ROM for ZX Spectrum download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.