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Nexon alleges that concept art, code, and in-engine assets from P3 were all used in Dark and Darker, additionally that P3 and Dark and Darker project leader Ju-Hyun Choi illegally transferred a significant amount of development materials to a private server before being terminated from Nexon. March 25, 2023: Dark and Darker is delisted from Steam entirely following DMCA request by Nexon to Valve. March 8, 2023: Police raid Ironmace based on Nexon allegations of stolen code. February 16, 2023: Allegation that Dark and Darker uses assets and/or code taken from project P3 first appears on Korean gaming site, This Is Game. We loved it, and it quickly became one of the most played games on Steam while its demo was live. February 6, 2023: A playable online demo of Dark and Darker is a hit at the Steam Next Fest. October 2021: Ironmace officially founded.
Development begins on Dark and Darker, according to the git log released by Ironmace "The worked for more than a month in a shabby jiu jitsu gym without pay using our own personal PCs as a test of our resolve and teamwork.".September 2021: Nexon hires for a project "P7" that is later revealed (in March 2022) to have replaced or evolved out of P3, supposedly becoming a more contemporary, firearms-focused survival game.
August 9, 2021: Terence Park, director of game development at Nexon and "head of the sub-team for P3 project" leaves Nexon. August 5, 2021: Nexon reveals name of project P3 to the public as part of an initiative of games "developed at a faster pace and brought to market where they can be fine-tuned based on valuable input from players." P3 is set to be a first person, medieval fantasy, dungeon crawling PvPvE game, similar to Dark and Darker. Choi would later be project lead on Dark and Darker.
July, 2021: Nexon project P3 lead developer Ju-Hyun Choi is fired from the company.