DS and PSP versions were going to be unique games unified by the same basic story. On October 29, 2010, developer Frontline Studios released news that Critical Mass for both platforms would no longer carry the Duke Nukem license and be renamed "Extraction Point: Alien Shootout". However, on March 23, 2011, Apogee Software announced that they never lost the license and would release Duke Nukem: Critical Mass for the Nintendo DS on April 8, 2011 in Europe. The PSP version of Critical Mass, and the two sequels were not released. The source code of the unreleased PSP version of Critical Mass was discovered in 2014 to be preserved at the Library of Congress. It was later leaked to the public on April 4, 2022. Reception Duke Nukem: Critical Mass received "generally unfavorable" reviews, according to review aggregator Metacritic. References External links 2011 video games Video games developed in Poland Cancelled PlayStation Portable games Duke Nukem Nintendo DS games Nintendo DS-only games Apocalyptic video games Alien invasions in video games Video games set in the United States Multiplayer and single-player video games Deep Silver games Video games set in New York City Video games set in Nevada Video games set in Los Angeles Video games set in Tokyo Video games set in Egypt Video games set in the Las Vegas Valley Video games set in London Video games set in Washington, D.C. Video games set in Paris Frontline Studios games