The project is just a new executable (based on Wolf4SDL) for the old classic Wolf3D giving it new gameplay features and other silly tweaks. All you need is a the full version 1.4 of Wolf3D (.wl6 files) and throw them into the folder. If the PC barks at you for the mean new exe file then the PC controls you and not you the PC.
Features are all over the place. Gameplay is all about weight and speed and can be a bit random at times. It comes with new weapons, hookshot, invisible enemies and many more things to discover.
It also has WASD and an automap for all the Doom noobs. And don't even ask for an ECWolf port.
Any bugs are planned and will remain until they starve.