White House Down

You are on a tour of the White House, one of the safest and best-guarded places in the world. But suddenly the building is attacked by unknown terrorists. Security is immediately triggered and the president is taken to a bunker. The attackers, meanwhile, have managed to get into the Oval Office and activate the nuclear suitcase to launch a nuclear attack on the world. You and your team have the delicate task of finding the suitcase and disabling the nuclear missile launch before it's too late!