Portal of Doom: Undead Rising is an amazing and extreme sci-fi terror game. You've received a distress call on the space channel - that is really a place where experiments have been undertaken. You don't understand what's happened - perhaps the experiments have gone wrong! You have to face your fears and learn more about the space station to learn what's occurred. You're equipped with a plethora of high-tech weapons which you may use to destroy any danger you locate. Search for clues, stay mindful, and see whether you are able to discover the mystery of this Portal of Doom! Have fun.