Unreal (1990)

Unreal is a fantasy arcade game composed of eight levels, with five in 3D and three in 2D. You must save Isolde from the evils hands of Polymorphe.To accomplish this feat, you will be faced with diverse tests of strength and logic while trying to get the high score. You fail in your mission once your energy level reaches zero. To help compensate for the loss of energy, you will receive a 50 point energy bonus as you pass from one level to the next.