"I started making maps for Duke Nukem 3D in 1996, which was the first FPS I ever played. I switched over to Blood in 1997 and quickly picked up Mapedit since it was so similar to Duke3D's Build but had notable improvements that really sped up development (like a visualization of sound effect range in 2D mode — you just had to guess in Build)."--Dustin Twilley, January 19, 2016