Before Starting Long War 2: Setup, Installation, Mods, Workshop This article will be a quick primer of the information that every player should know before starting a Long War 2 campaign. While it is an amazing mod, one of its downsides is that the new geoscape and other mechanics are not explained well enough. Beginner strategy for Long War 2! This free mod for XCOM 2 increases the time, complexity, and difficulty of the XCOM 2 campaign.