Retro Studios, the study behind Metroid Prime series, worked time ago in a dark The Legend of Zelda title set in the “bad ending” timeline. The main character could have been a male Sheik, the last of their ethnic after a genocide, and the game would have followed him in his journey to become the Master Sword.

Sammy Hall, a former Retro Studios worker drew the following arts from this project, a dark Zelda:

Sammy worked in this game between 2005 and 2008.

Thanks, Eurogamer.