If you just can't wait for the release of Just Cause 3, this Grand Theft Auto V mod might scratch that itch.Created by JulioNIB, the Just Cause 2 grappling mod for the PC version of Grand Theft Auto V is exactly what it sounds like. It adds a special gun to the game that fires a grappling hook, allowing you to easily pull yourself up to high places, or go flying from car to car.