Board Thread:Questions and Answers/@comment-27044094-20160926231717/@comment-27281654-20160927005931

You need anti-Alien treasures, Jamiera, and a lot of replays. It also helps to have anti-Alien ubers. Use powerful Cats to kill the Cyberhorns in a reasonably quick time, so you have more chances to attack Galactic Overseer Nyandam.