Your on-the-ground skirmishes move the war effort forward, but claiming ultimate victory over the invaders also requires a higher level of strategic thinking. In XCOM 2, you’ve got to lead a resistance effort in pushing back against alien invaders that have taken over the Earth. War is hell, even for the pencil-pushers.
For rundown of tips and strategies to help you survive during combat missions, check out our guide right here. This guide focuses specifically on your base and global strategy in XCOM 2.