Scratch

Infected Guide:

Hunter: blue circular infected.  leaps towards you at a fast speed and pounces on you.  when pounced repeatedly press space to get the hunter off, then shoot it before it pounces on you again!

Smoker: light green circular infected.  wears a black jacket.  the smoker grabs you with it's tongue.  to get the smoker off, repeatedly press space then shoot it.

Jockey: circular skin colored infected with long arms.  Runs randomly around until deciding to sprint extremely quickly towards you and jump on you.  press space repeatedly to dislodge the jockey.

Normal infected: purple or green circular infected.  walk blindly towards the survivor in an attempt to do a small amount of damage

witch: small grey zombie.  stays in the corner until shot or too close to survivor.  then it will awake and run extremely fast towards the survivor dealing masssive amounts of damage

Boomer: large boil covered dark green zombie which vomits on the survivor,  temporarily obscuring your vision. if shot at too close a range, it will explode and cover you in bile as well.

Spitter: small skin colored zombie with spit dripping down it's face.  spits near the survivor causing a lot of damage if you stay in the spit for too long.

The charger:  a large greyish skin colored zombie with one huge arm and one small arm.  charges towards the survivor and does the same amount of damage as the witch and the tank, though with much less health.

The tank:  a massive skin coloured zombie with two huge muscular arms.  has a huge amount of health and runs towards the zombie doing huge amounts of damage.\

beamer: a green zombie with two red slits on the side of its head.  rotates around and shoots beams out of the slits to hit the survivor

The hare:  a small zombie with more hair then the rest of them.  runs quickly around the survivor closing in for the pounce.  press space repeatedly to hit it off.

Actually, the moon goes red towards the end of an eclipse. Therefore, not always the apocalypse.