there’s also Instander for mobile

https://instanderdl.com/

I mean, they could still grab you, suckerpunch you, fall on you and weigh you down, fall in front of you and trip you, knock stuff over that’ll hurt you, catch fire and spread it elsewhere, hit you with the stuff sticking out of them, in some cases carry stuff to hit you with, spread god knows what germs to other people/places…