Wolfenstein Sextilogy Parts 1 and 2 is a mod for registered Wolfenstein, made by Executor. It was released on September 9, 2007.
Featuring the first episode originally released as Episode One Revisited, this mod also includes the second episode and a number of changed graphics, sounds and music.
Coding changes allows more static objects and actors, utilizing the 4GW coding technology.
Four years later, the third part was released, and the two other episodes were souped up in a heavily coded EXE, this time taking advantage of SDL.