Videogames, as anyone knows, are a distraction. They offer a welcome excuse for avoiding sorting out that mounding pile of laundry or changing the blown bulb in the downstairs toilet. They provide respite from the tedium of everyday life and an opportunity to embody a fictional character in an entirely fantastical world. Consequently, David the biochemist will spend an average evening saddling up dragons and scorching riverside hamlets, grinning with glee as petrified villagers scream and run for safety. Brian from accounting will fill a random weekend ranking up on Shooty Shooty Bang Bang 3 so he can unlock a…