The XCom games are famous for their engaging squad-based combat. The games have always featured a large collection of alien types – each with an ability that players must keep in mind if they want all of their soldiers to make it back to base in one piece. Some of these aliens can fly, some are advanced robotic killing machines, some are basically living tanks, but the deadliest of them have psionic abilities that are frustrating at best – and absolutely devastating at worst. These are the most ...