Mac-enstein Second Encounter is a mod for registered Wolfenstein, made by Andy Nonymous. It was released on June 10, 2008.
The mod was an early SDL release. It featured pretty much the entire atmosphere from the MAC version of Wolfenstein, with sounds, graphics (in high resolution), music and mapping style being directed after that particular version. 30 levels are featured, including the three first levels which had already been released as Mac-enstein First Encounter.