Autumn's Adventure is a mod for shareware Wolfenstein, made by AdamMasterArt. It was released on November 9, 2014 via ModDB. An ECWolf port was attached to the download, in addition to the usual DOS setup.
The mod features 3 new levels and is based on the My Little Pony franchise. The new enemies are based on characters from that particular franchise, in addition to some of the textures and sprites, some of which were based on Lost Episodes material.
Though being listed as a demo a full version was never released.