GTA: Specter Knight
Once upon a time, there was a great evil that descended the land. Everyone was afraid, but a knight volunteered to kill the evil. The knight succeed, but he also die in the process. Many years had pass, a new threat come and the knight was needed again. This time, he was resurrected to take care of an evil sorcerer. You would need to go form one floor to another to kill countless monsters. Gather some gems as you can use it to buy better equipment and spells. You also get some keys that could unlock locked doors.