Doom now "runs" in Microsoft Paint thanks to a wildly inventive clipboard trick

Called DoomPaint, Russinovich's creation doesn't literally execute Doom inside Microsoft's drawing app. Instead, ViZDoom, a ZDoom-based platform designed primarily for AI research, runs the engine and renders it headlessly. It loads the genuine shareware DOOM1.WAD for the first episode, while maps not included with that release use the BSD-licensed Freedoom...