Ubisoft today announced that Tom Clancy’s Rainbow Six Vegas, the fifth iteration of the multimillion-selling Rainbow Six tactical shooter franchise, developed by Ubisoft’s Montreal studio for Xbox 360, PC, PSP and PS3, has shipped to retail stores for PC. Rainbow operatives take to the chaotic streets of Las Vegas as an escalating terrorist siege in “Sin City” threatens to take world terrorism to new, uncontrollable heights. The future of global security hangs in the balance as you battle to defend classic Vegas locations and environments like Fremont Street, the Strip and casinos. Press 'read more' for details and check these new screenshots.