Quantum Theory - Playstation 3 Valve Explore a vast and mysterious

Explore a vast and mysterious island

Humanity is on the brink of extinction

you must explore its eerie streets and decaying buildings while searching for a way out

Utilize environmental objects as weapons

it's time to create your own unforgettable moments

Quantum Theory - Playstation 3 Valve Explore a vast and mysteriousDefy gravity and master the art of cover based combat in Quantum Theory for the Playstation 3. Step into the boots of the massive warrior Syd and battle your way up a living, ever changing tower in a post apocalyptic world. This third person shooter features intense gunplay and a unique mechanic that allows you to team up with your mysterious partner, Filena, for devastating combo attacks. Hurl Filena at enemies or use her to navigate the battlefield