Harry Mass Sr. It was released on March 29, 2002. It was the final installment in a series that started with The Abbey. It features 6 levels played in a custom EXE based on registered Wolfenstein. External links[edit | edit source] Download Now or Never!! at The Wolfenstein 3D Vault News at the Dome: MAR/APR 2002 Retrieved from "https://wl6.fandom.com/wiki/Now_or_Never!!?oldid=14678" Categories: 2002 mods DOS mods Mods Registered Wolfenstein 3D Mods with 10 or fewer levels Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.