Hello commander the war continues ndash at great cost we now believe another force is at work against us if not dealt with swiftly it could destroy ushellip xcom evolution is an expansion for xcom the board game that complicates your war effort with new missions enemies and invasion plans as well as mechanics that make your struggles more dangerous than ever as the alien forces spread and peril increases the sinister humans of the exalt seek to take advantage of the chaos to infiltrate