12Wolpaw, Erik (November 21, 2001). "Return to Castle Wolfenstein Review". gamespot.com. Gamespot. Diarsipkan dari asli tanggal March 26, 2017. Diakses tanggal March 25, 2017. The first team, Gray Matter Studios--which, under the name Xatrix, had previously produced Redneck Rampage and Kingpin--was hired to create the single-player campaign, while a new development house, Nerve Software, concentrated its energies on the multiplayer component.