Wolfenstein 3D
Although id Software did not develop another "Wolfenstein" game, as their development focus shifted to "Doom" shortly after release, and has never returned to the series, multiple "Wolfenstein" titles have been produced by other companies, sometimes using game engines developed by id. The first of these newer "Wolfenstein" games was "Return to Castle Wolfenstein" in 2001, a reboot of the series, and the latest is the 2017 "".
Return to Castle Wolfenstein
In the United States, "Return to Castle Wolfenstein" sold 350,000 copies and earned $17 million by August 2006. It was the country's 48th best-selling computer game between January 2000 and August 2006. Combined sales of all "Wolfenstein" computer games released between January 2000 and August 2006 had reached 660,000 units in the United States by the latter date. "Return to Castle Wolfenstein" received a "Silver" sales award from the Entertainment and Leisure Software Publishers Association (ELSPA), indicating sales of at least 100,000 copies in the United Kingdom. By January 2002, Activision reported that shipments of "Return to Castle Wolfenstein" to retailers had surpassed one million units.