There is no Xbox 360 cover art on file for this game
クウォンタム セオリー - Japanese spelling
Quantum Theory is a a cover-based third-person shooter similar to the popular Gears of War series. Syd can hide behind and fire from cover, as well as "roadie run" between cover to move closer to enemies. He can carry up to three different weapons at a time, as well as go face-to-face with a powerful melee attack. Syd will also team up with a woman named Filena, with whom he can perform special team attacks, and even throw her at enemies for an especially powerful attack. In addition to the single-player campaign, there are also online team and deathmatch multiplayer modes.