Cats
The shadow itself. They hide in the shadows, stalk like the shadow and hunt like the shadow. They are silent, you can't hear one approaching unless it's ready to strike. Its strike does moderate damage and bleeding, but what makes them dangerous is that it can strike two times before you can turn around and say hi. If the two strikes didn't kill you outright, the bleeding will. The strikes also slow you down, so running is not recommended unless your stamina regenerates really fast.
However, they have suicidal behaviours when going in for the kill: They charge in a straight line and will never back down when they reach their target. This means if you allow them to reach you, you're as good as dead. If you see one coming, jump on the closest rock, they can't jump. Then load your gun with some high tissue damaging ammo and get on the ground. When approaching, aim at a point that you're sure it will pass that point (This point is on the line it's approaching you in.) and shoot to kill.
Recommended weapons: Any shotgun (loaded with Buckshots) - Fast firing SMGs (loaded with high tissue damaging ammo.)
Fleshes
They are the least dangerous mutants, but that doesn't mean they are nothing of a threat. They won't attack unless there are three or more of them. These fleshes are slow and their claw attack doesn't do much damage. If there are three of them, kill one and watch the other two scatter. A shotgun is a reliable choice but even a pistol with high tissue damaging ammo will suffice. Using weapons with expensive ammunition is a waste of money. They are easy preys and might attract unexpected trouble.
Recommended weapons: Any weapon (loaded with high tissue damaging ammo)
