On the list of things that are more useful in video games than they are in the real world, grappling hooks are certainly near the top. Acquiring a grappling hook in the real world is positively thrilling, until you start thinking of ways you can actually (and legally) use it. Fortunately, the aptly-titled Grappling Hook isn't grounded in reality. The puzzle platformer from SpeedRunGames is filled with 22 levels of quick-thinking grappling goodness that is sure to keep you zooming around for hours.