I know the GB version of Gargoyle’s Quest 2 got a partial walkthrough in one issue of Nintendo Power (summer '93?), but it must’ve been cancelled near completion. A Japanese version, “Makaimura Gaiden - The Demon Darkness” exists.
(this is a correction. Red Areemer is the Japanese version of Gargoyle’s Quest 1)
GB:
Hitoride Dekirumon - Cooking Densetsu (RPG where you battle with cooking trivia, using overworld graphics stolen from FFL/SaGa 3)
Kaeru no Tameni (aka several variants of “The Frog for Whom the Bell Tolls” aka “that game featuring Richard from Link’s Awakening”)
Kaseki Reborn (a Pokemon ripoff)
Knight Quest
Gegege no Kitarou: undecipherable subtitle (another Pokemon ripoff)
Legend (Quest made something besides Ogre Battle?)