Taro's Quest is an unreleased prototype of an NES game found in the USA. As a prototype, the game was likely incomplete and may have significant differences compared to a finished product. Its genre and mechanics remain unknown without access to the prototype itself. The developer is also unknown.

Taro's Quest (USA) (Proto)

Tantei Jinguuji Saburou - Yokohamakou Renzoku Satsujin Jiken (Japan)