"Halo: Reach," the newest installment in the long-running Halo video game saga, comes out today. While players are rampaging around in the digital universe and slaughtering everything in sight, they might be doing something else too: improving their decision-making skills. Action-packed video games, including first-shooters like those in the Halo franchise, can lead people to make better and quicker rapid-fire decision, according to a Current Biologystudy by Daphne Bavelier and colleagues.