Play Castlequest emulator game online in the highest quality available. Castlequest is a Nintendo game that you can enjoy on Play Emulator. This NES game is the US English version that works in all modern web browsers without downloading. Castlequest is part of the Arcade Games, Adventure Games, and Platform Games you can play here. PlayEmulator has many online retro games available including related games like Toys, All Star Tennis '99, and Cliffhanger.