This gun is great for long distance shooting and can be used in close combat. This gun hasn't changed alot. Still pretty much the same gun. This gun is an under water gun and shoots spears as ammunition. The harpoon gun can be used as a quite gun so not to alarm other bad guys that may be near.
Ammo is rather scarce so use it wisely.
This is the big bad weapon in this entire game. This weapon will shoot rockets for long distances but isn't very accurate. This weapon is best used at close up battles with the giant type bad guys like the mutants in the REX TEC mines. Ammo for this is VERY rare, so don't get too trigger happy. This isn't a gun of my choice.