Silent Debuggers

Silent Debuggers is a 1991 sci-fi horror first-person shooter video game developed and released by Data East for the PC Engine and published by NEC International for the TurboGrafx-16. The player investigates a space freight station called Gane, aided by a partner character named Leon, as they investigate why the station's crew have disappeared. The game features the "Sound Detection System" that detects, searches, and defeats enemies with sound. Silent Debuggers was notable for the TurboGrafx-16 in how it is an early entry in the first-person shooter genre.