Exterminate usually means attacking and eradicating rival players. Since in a few game titles all territory is at some point claimed, eradicating a rival's presence may be the only way to achieve even further expansion. extension - act of growing in scope; creating extra broadly available; "extension of the program https://l-online11986.bloggerchest.com/38560991/the-2-minute-rule-for-and-extermination-in-4x-games