SG-1000 : The Black Onyx (JAP)

The Black Onyx (ザ・ブラックオニキス) is an old, pseudo-3d first person RPG that released back in 1987 for the Sega’s SG-1000 system. It developed by Bullet Proof Software and published by Sega (in Japan). The player can create a five-member party or ask friendly encounters to join the party. The party will explore the dungeons under the town of Utsuro in order to break the curse which binds the town in eternal night.