EON:Reset is a Metroidvania game with a focus on combat and puzzle solving. The game blends a serious sci-fi documents of paranormals, with fast-paced combat to create a mysterious and occult world.

In this world, there exists a mysterious organization called EON Association of Reality Stability. They secretly contain paranormal entities and have the protection of the human world as their main purpose. The player will play as an artificial combat-use lifeform created by the association, called EON-3033, which was activated after the catastrophe that destroyed the association and the entire human world. Following the order of the association, EON-3033 must find the truth behind the catastrophe and reverse the future in a world on the brink of destruction.