I have never seen an Alien game where the Aliens looked so slow and hilariously non dangerous.
They move so incredibly slow.. in AVP1 with a good jump you could make huge distances.. doesn't seem like they really balanced the Aliens to be deadly predators. Aliens in Alien: CM look like gimped cats on sleep drugs.
Also, doesn't help the death scream sounds nearly exactly like the WoW boar deaths. You murder so many of them in WoW that even I, who only played that for a few months, instantly drew that connection.. can't unhear it.