The player controls Cryptosporidium 137 ( a reference to the protozoan parasite `` Cryptosporidium '' ) , a member of the fictional Furon race of alien life , who has come to Earth to harvest DNA from humans to continue the cloning process of his species .
The player controls Cryptosporidium 137 , a member of the Furon race of aliens , who has come to Earth to harvest DNA from humans to continue the cloning process of his species .