The Raycasting Game Maker is a free easy to use game editor that creates simple raycasting games in the style of Wolf3D. The finished game needs only two files to run, an executable and a pak file with the game data. The game runs in Windowed- or Fullscreen Mode and supports 16 and 32 bit color.

wolf619 says

10/10 - Agree Disagree

This is the best engine for making wolf 3d clones! These guys should be charging for this maker! Amazing work guys thanks for all your hard work!