More details on the free mod, developed in partnership with 2K Games and Firaxis, will be released in the coming weeks. XCOM 2: Long War 2 Guide and Tips (Spoiler-Free) By h3rring on J Feedback for that 'Avenger Defense' Mission. All that experience didn’t make winning at Long War 2 (a semi-official full-conversion mod for the game) any easier though. I love XCOM 2 and have got pretty good at it over the years.
Many of the mod's new mechanics are described ingame in the XCOM archives. Bring a specialist so you can remotely hack or access the objective and be careful and avoid patrols. With the default options you will likely find yourself rushing on a straight line to get to extraction point or objective before running out of time. During the long war against the alien threat, the skies are also part of the battlespace. A common complaint about XCOM 2 Long War 2 is that the turn timers are too harsh and limiting.