Automatic Pulse Rifle
A great, if near best, weapon in this game. Only true weapon, and only automatic one in this game. If used correctly, you could blow through the entire game on this weapon alone, as it's ammo is plentiful and it's fire is highly damaging.
Primary Fire - High accuracy, high rate of fire, high damage. It just doesn't get much better than this. You can take out a Necromorph with only a few well placed shots. Aim carefully, master this mode of fire, and you'll have no problem at all with this game.
Alt Fire - Not all THAT useful unless you have Necromorphs coming at you from all angles. Your character will duck down and have the gun spray bullets in all directions. It'll get you out of tight spots, but wastes ammo rather quick in the long run. Also, it only really works on tall enemies that actually have legs. Use only if needed.
More tricks, tips and cheats for this game are right here - Dead Space cheats
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