GamesRadar writes: "Being a Big Daddy has benefits. Instead of a wimpy wrench, you've got a murderous drill attached to your arm. Instead of a tiny crossbow, you shoot a harpoon-sized spear gun. Instead of basic pistol ammo, you're unloading burning metal rivets into Splicers' bodies.
The only way to take full advantage of this awesome new weaponry, however, is to visit each and every "Power to the People" weapon upgrade station in the game. There are 14 in total, and unlike the first BioShock, some are now hidden."