GTA: Zombie and Juliet
Romeo and Juliet are in love with each other and would fight for their love. However, Romeo died and Juliet can not accept it. She was about to kill herself to join Romeo when a demon appeared before him. The demon was mocking them and Juliet ask him to leave since she want to die peacefully. It was then that the demon make a bargain for them. He would revive Romeo if Juliet would help him fight another demon. Juliet agreed and this is the start of the journey. The idea here is to collect some souls that can help you level up in the game. You get this souls from fighting enemies.