Grand Theft Auto 5 has received a fan-made mod adding Just Cause 2's grappling hook.
Does it work well? Not really. Is it funny? You betcha!
Since GTA5 doesn't have a climbing mechanic or animation, the grappling hook landings are ungraceful, to say the least. Sometimes you'll inelegantly warp to the top of a moving vehicle, while other times you'll sluggishly flop over a railing like seasick sailor after a particularly foolhardy fleet week. It's basically Spider-Man by way of Goat Simulator and I couldn't be happier.
Modder JulioNIB's add-on does more than just propel you to locations, though: it also allows you to connect various objects, and people, to each other. This is great for dragging unsuspecting folks behind a car or dangling from a helicopter. Before you know it you'll be manipulating Vinewood like the world's clumsiest puppeteer.
You can download the mod over at GTA5Base.