Eight soldier classes: Infantry, Assault, Sniper, Scout, Gunner, Rocketeer, Medic and Engineer, and eight MEC classes: Valkyrie, Marauder, Jaeger, Pathfinder, Goliath, Archer, Guardian and Shogun.Tactical missions that allow up to twelve XCom soldiers per mission with the right upgrades.An extended campaign requiring far more missions to complete.It is harder and longer than the vanilla version but gives you many more tools to combat the alien threat. This mod makes hundreds of changes, large and small, to the vanilla version of the game.
IT EXPLAINS SOME MAJOR CHANGES FROM VANILLA.