prboom-plus

Open source port of the DOOM game engine

PrBoom+ is a Doom source port developed from the original PrBoom project, an open-source port of Doom, the classic 3D first-person shooter game which outclassed any 3D world games that preceded it, with amazing speed, flexibility, and outstanding gameplay. prboom(-plus) focuses heavily on retaining compatibility with the original Doom engines, which plays a big role in demo recording and playback.