OuMua is a Shoot 'em up Roguelike with RPG elements.

A once prosperous world now lies in ruins. Danger lurks at every step, and surviving in these grim and harsh conditions is a tough challenge.

Embrace the role of OuMua, a symbiotic being that consists of an immortal soul - Ou, and a physical shell - Mua, and try to survive, fighting through the hordes of deadly enemies that stand between you and the mystery of the fractured World.

OuMua offers you to take on the role of the World savior, a Hero who can uncover the root causes of the catastrophe, defeating the darkness and returning the world to light and prosperity.