Very similar to last of us being a horror survival adventure picking up small amounts of resources on the ground to slowly upgrade your gear and build consumables. Where it comes into its own is replacing zombies with rats, which work very well as a horror mechanic since they attack like ravenous piranhas. Gameplay wise the game does a lot with avoiding, running away from, luring and eventually controlling the rats. Quite possibly one of the funniest final bosses of all time battling rat tornados with the pope.