The gigantic, organic tower swirls and changes in the darkness. It must be destroyed to save the last tatters of humanity from the coming "Erosion"…\n\nQuantum Theory is the stylish and psychedelic new epic action-shooter from the legendary Tecmo, creators of Dead Or Alive and Ninja Gaiden, presenting a radical new twist on duck-and-cover, Gears Of War-style gunplay.\n\nTogether Syd and the mysterious Filena must destroy the tower, before it destroys humanity. Together Syd and Filena perform unique cooperative moves to bring down the most colossal enemies.\n\nWatch out – while Syd and Filena work together, in Quantum Theory the very walls around you work against you. The living tower dynamically mutates – creating a shape-shifting battleground where cover can disappear without warning.\n\nGet ready for the unexpected. Get ready for Quantum Theory…