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.
Download Game Engine:
It seems the author of RGM is working on a new version. RGM 5.xx will now support 128×128 resolution for textures and sprites and 640×400 resolution for screen bitmaps. This makes previous versions of RGM incompatible. No release date or any other info has been provided yet. This is very exciting news for the RGM community, as this will spark even more interest in RGM.