Given the new dawn for the dead, it’s unsurprising that “The Walking Dead,” the popular comic book turned even more popular AMC television series, has now been given its own video game adaptation. What’s unexpected and welcome about this new treatment of Robert Kirkman’s fiction is how different it is from the other entries in gaming’s New Zombie Wave. The Walking Dead’s zombies aren’t just soulless. They’re soulful, too — killing one actually means something. -