Here is Achievement about name and unlock
[Infection Female]
at a first Achievement name "all always with Boy/male" unlock: play as human to live about 30 minutes without turn into female.
Two Achievement name "KILL THAT GIRL!' unlock: play as Furry or infection, you need to attack the female or woman instead of kill the Human standard.
Three Achievement name "Some Peace" Unlock: "turning as Girl instead of Human cuz human show the face are scared and dead stare also to live about 15 minutes without hit by enemy/Furry or use weapon to attack"
Four Achievement name "Nothing" unlock: there is changed that spawn will stop Spawning and without all alive like NPC but just you, alone.
Alright I think that's enough.