SynopsisYears have passed since the massive world war. Only a few survivors remain after the battles inflicted catastrophic damage on the human race. Living in the new community, Cocoon, their life is being threatened by an ominous black material called Erosion. The surviving humans in this post-apocalyptic environment have recruited a band of mercenaries to overcome the Erosion and destroy the evil Living Tower. A rugged warrior, Syd, arrives with the intention of destroying the Tower, where he meets the mysterious and beautiful Filena. Together they begin their ascension of the Tower, in search of answers, as the Tower erodes beneath their feet.Quantum Theory puts players in the role of Syd, a stalwart combatant looking to destroy the Living Tower to protect the surviving humans from the growing Erosion. Teaming up with computer-controlled Filena, players are able to perform actions as a pair that will help you overcome challenges ~ or unleash powerful attacks to defeat enemies. Navigate through the exciting and spine-tingling fantasy world that is ever-changing and surprises you with innovative and complex challenges. Can you destroy the Tower before the Erosion eradicates the surviving human race?