Tis not a bug - The game teases that railway for the mars tram to the plaeyr - Is it unfinished? yes - edge of the world to death (I assume you find that part in your video) - this was one area along with 2 others in this map that id Software figured people would remember right away to go back and try Double Jump - aka: properly ensure they go and get the full experience of upgrades and challenges or whathaveyou - Now, Why not texure or wall off that area? Because that is your accomplishment for finding that you could do that. - This always sort of been an id Software approach to map design im sure you remember from numerious examples prior to the full 3D quake mind-blown period when you did not know which was a bug and which was a nerdy nod to the gamer.

Doom is officially King Kong Simulator 2016