UFO – Enemy Unknown: Beginning Part 3 (X-COM UFO Defense) 11 de March de 201214 de July de 2023 omstarcraft Other Games Beginning of one of the best games ever made – UFO: Enemy Unknown (X-COM UFO Defense). Difficulty: SuperHuman. Beginning of one of the best games ever made – UFO: Enemy Unknown (X-COM UFO Defense).Difficulty: SuperHuman.