The Chronicles of Omega (1990)

A magical quest where good clashes with evil. In the far off land of Omega, the peaceful existence of its people is thrown into panic as the jealous forces of evil abduct the children one by one. Hate and unhappiness spread throughout the land until a fateful mistake is made, one of the twins- Alwin and Irma- is taken captive. As the remaining seventh twin of a seventh child, your desperate quest brings you in conflict with the foot soldiers and champion warriors of the evil demon. Aided by the kindness of the good witch and your own magical powers battle your way to the demon castle for the final encounter.