ZHP: Unlosing Ranger vs. Darkdeath Evilman tells about the confrontation between the legendary Ranger and the Dark Villain. It all starts with the fact that on the way to Japan, Perov is hit by a car, and before his death, he bequeaths the transformation belt to the main character – an ordinary boy. He will have to go through a difficult path from a beginner to a true master of battles. Not everyone is capable of becoming the hero's successor, so the protagonist was sent to Bizzarro Earth – a place similar to Earth, where life boils only in dungeons. It's full of monsters that you have to destroy in order to earn experience points, learn new techniques, find true friends and move forward.

The appearance of the character can be changed, for this a variety of equipment and weapons are available, as well as a face and body editor. Character characteristics can be modified using a special one. An improvement scale that allows you to increase attributes and learn useful skills. At the end of the tasks, you can return to base to think about the next step, change weapons and upgrade your hero.

Gold and relics obtained in battles can be exchanged for high-quality equipment and items for your personal base. While the hero is fighting the next enemy, his friends can be placed in different points of the base, which allows him to receive unique bonuses. The locations where battles take place are generated randomly, so you will have to adapt to the environment on the fly. The area is full of traps and dangerous creatures, and dangerous bosses will await you at the exit.