Wolfenstein
The "Wolfenstein" series of video games started with the 1981 stealth-adventure video game "Castle Wolfenstein". It was developed by American programmer Silas Warner, a pioneer in the early eras of video gaming, especially the stealth genre. It was published by his (then) company M.U.S.E. Inc. (Muse Software). The player controls an unnamed American prisoner of war as he steals war files containing information about secret German war plans while avoiding or sometimes killing guards, and tries to escape the fortified Nazi stronghold Castle Wolfenstein, set during World War II. The game is often credited as one of the first video games of the stealth genre, since it focuses more on avoiding or disarming enemies, and killing them is considered a last resort.
Wolfenstein: The New Order
After developer MachineGames was founded, the employees all began brainstorming ideas, and pitching them to publishers. In June 2009, MachineGames owner ZeniMax Media acquired id Software and all of its property, including "Doom", "Quake" and "Wolfenstein". Bethesda Softworks, who had previously declined a pitch from MachineGames, suggested that they develop a new game from a franchise acquired by ZeniMax. MachineGames inquired about developing a new game in the "Wolfenstein" series; the studio visited id Software, who approved of MachineGames' request for a new "Wolfenstein" game. By November 2010, paperwork was signed, allowing MachineGames to develop "Wolfenstein: The New Order". Preliminary development lasted approximately three years.