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 "".
Wolfenstein
Originally planned to be released as an expansion pack to "Return to Castle Wolfenstein", the game was instead released as a free to play multiplayer title. It has no storyline or single player campaign mode. Instead, it has an expanded edition of the previous game's multiplayer. It was developed by Splash Damage and published by Activision. A commercial follow-up, called "" was released in 2007 by the same group.