The big M has released a playable demo for the 360-only open-world action game, Crackdown. Here's the official word:""Pacific City is no stranger to chaos. But this is total anarchy. As part of a new breed of Agents armed with a more powerful arsenal, you must bring back peace and order to the city. Are you up for the task? This demo features accelerated Agent leveling, four player co-op, and the ability to earn Achievements to be awarded once you play the full version of Crackdown 2."