Molly McDonald takes a look at three sweet

casual games

. This week, This is the Only Level asks you to guide an elephant through, as the name suggests, but one level. It's much trickier than it sounds. Fire Boy and Water Girl sees you guiding the game's namesakes through a ton of well designed levels. Karoshi Suicide Salaryman flips the usual gaming objective on its ear; the goal here is to help your protagonist shuffle off the mortal coil in a variety of bizarre ways.