In Nuclear Nightmare, players can play online with a friend, racing against time in the Arctic wilderness. The game revolves around the search for classified documents under threat of a nuclear strike from the US government. You can start the game for free on a pirated version, connecting online via the Internet. Exploring abandoned laboratories, teams search for resources necessary for survival, including weapons and equipment. It is a fast-paced online game, where coordination via radio helps players avoid deadly dangers, including the Black Goo virus, which destroys everything in its path. The Black Goo virus is a constant threat throughout the operation. Before heading out, players stock up on vaccines, knowing full well that each team member can only carry five items at a time.