Aspyr Media today announced the final system requirements for Quake 4 for Macintosh, which is due next month for US$49.99. “The long-awaited sequel to QUAKE II, QUAKE 4 enlists gamers in the role of Matthew Kane, a member of the legendary Rhino Squad, to penetrate deep into the heart of the Strogg war machine and engage in a series of heroic missions to destroy the barbaric alien race. QUAKE 4 begins only moments after the events of QUAKE II, with the Earth’s fleet launching a massive offensive to the planet Stroggos.