Arctic Circle level, although in mountainous regions there is often no direct view of the true horizon. Only four million people live north of the Arctic Circle due to the severe climate; nonetheless, some areas have been settled for thousands of years by indigenous peoples, who today make up 10% of the region's population. Tens of thousands of years ago, waves of people migrated from eastern Siberia across the Bering Strait into North America to settle. The largest communities north of the Arctic Circle are situated in Russia, Norway and Sweden: Murmansk (population 307,257), Norilsk (175,365), Tromsø (71,295), Vorkuta (59,231) and Kiruna
Naval War: Arctic Circle Naval War: Arctic Circle Naval War: Arctic Circle is a real time naval strategy game developed by Norwegian development company Turbo Tape Games and published by Swedish video game publisher Paradox Interactive. It was released on April 10, 2012. "Naval War: Arctic Circle" was announced at the 2011 Paradox Interactive Convention held in New York. The game is supported by the Norwegian Film Institute, Innovation Norway and the Norwegian Research Council, and is developed in close consultation with the Royal Norwegian Navy. As of January 23, 2013, support for the game has been abandoned by Paradox and Turbo Tape Games,