Headcrab infestation ALERT! Mar 8, 2017 16:51:28 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Admin on Mar 8, 2017 16:51:28 GMT Headcrab infestation is here in Newgrounds city. FBI agents prepares to capture those headcrabs to stop the headcrab infestation. Will FBI agents stop headcrab infestation?