I've been watching various playthroughs while I wait for the person who'll be selling me their PS4 with the game to get back from vacation.
One thing I noticed is there's an indicator icon when you fire the ropecaster. When the Icon is filled, the beasts fall over.
The sneaking around bit seems like fun because of how dim the AI is for the humans. Kill a dude, throw a mine at the corpse and watch as the next dude investigates the corpse and blows himself up.
I don't know what it is about this game, but it makes me want to go out and get a PS4 and I haven't owned a modern console in a long time.